$ADTN
ADTRAN Holdings, Inc.

2024 Q2 Form 10-Q Financial Statement

#000095017024057628 Filed on May 10, 2024

View on sec.gov

Income Statement

Concept 2024 Q2 2024 Q1
Revenue $226.0M $226.2M
YoY Change -30.97% -30.17%
Cost Of Revenue $144.4M $153.9M
YoY Change -38.5% -34.81%
Gross Profit $81.58M $72.26M
YoY Change -11.86% -17.71%
Gross Profit Margin 36.1% 31.95%
Selling, General & Admin $59.49M $59.10M
YoY Change -10.65% -12.31%
% of Gross Profit 72.93% 81.79%
Research & Development $60.39M $60.25M
YoY Change -14.46% -14.1%
% of Gross Profit 74.03% 83.39%
Depreciation & Amortization $8.100M $22.53M
YoY Change 30.65% -32.55%
% of Gross Profit 9.93% 31.18%
Operating Expenses $119.9M $119.4M
YoY Change -12.61% -13.22%
Operating Profit -$38.31M -$339.7M
YoY Change -14.17% 583.02%
Interest Expense $6.906M $4.598M
YoY Change 69.93% 39.88%
% of Operating Profit
Other Income/Expense, Net -$901.0K $1.310M
YoY Change -136.13% -532.34%
Pretax Income -$44.88M -$340.3M
YoY Change 0.67% 557.41%
Income Tax $2.136M -$18.65M
% Of Pretax Income
Net Earnings -$49.87M -$324.6M
YoY Change 49.59% 841.71%
Net Earnings / Revenue -22.07% -143.5%
Basic Earnings Per Share -$0.63 -$4.12
Diluted Earnings Per Share -$0.63 -$4.12
COMMON SHARES
Basic Shares Outstanding 79.12M 79.12M
Diluted Shares Outstanding 78.85M 78.81M

Balance Sheet

Concept 2024 Q2 2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $111.2M $106.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory $287.9M $322.1M
Prepaid Expenses
Receivables $186.2M $187.6M
Other Receivables $11.44M $12.12M
Total Short-Term Assets $668.3M $697.0M
YoY Change -21.38% -21.14%
LONG-TERM ASSETS
Property, Plant & Equipment $134.6M $127.0M
YoY Change 16.3% 13.4%
Goodwill $54.90M $55.13M
YoY Change -85.86% -85.71%
Intangibles $290.8M $306.4M
YoY Change -18.11% -19.2%
Long-Term Investments
YoY Change
Other Assets $87.11M $87.73M
YoY Change 43.66% 38.92%
Total Long-Term Assets $622.5M $630.9M
YoY Change -39.74% -40.18%
TOTAL ASSETS
Total Short-Term Assets $668.3M $697.0M
Total Long-Term Assets $622.5M $630.9M
Total Assets $1.291B $1.328B
YoY Change -31.45% -31.5%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $158.6M $159.1M
YoY Change -7.68% -19.9%
Accrued Expenses
YoY Change
Deferred Revenue $55.11M $55.12M
YoY Change 14.73% -0.88%
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $289.7M $282.7M
YoY Change -6.44% -45.86%
LONG-TERM LIABILITIES
Long-Term Debt
YoY Change
Other Long-Term Liabilities $34.45M $35.38M
YoY Change 110.02% 121.29%
Total Long-Term Liabilities $34.45M $35.38M
YoY Change 110.02% 121.29%
TOTAL LIABILITIES
Total Short-Term Liabilities $289.7M $282.7M
Total Long-Term Liabilities $34.45M $35.38M
Total Liabilities $630.8M $620.5M
YoY Change -3.69% -8.18%
SHAREHOLDERS EQUITY
Retained Earnings -$606.4M -$558.4M
YoY Change 1378.6% -7074.31%
Common Stock $803.5M $799.7M
YoY Change 4.73% 4.83%
Preferred Stock
YoY Change
Treasury Stock (at cost) $5.198M $5.198M
YoY Change -12.54% -12.15%
Treasury Stock Shares
Shareholders Equity
YoY Change
Total Liabilities & Shareholders Equity $1.291B $1.328B
YoY Change -31.45% -31.5%

Cashflow Statement

Concept 2024 Q2 2024 Q1
OPERATING ACTIVITIES
Net Income -$49.87M -$324.6M
YoY Change 49.59% 841.71%
Depreciation, Depletion And Amortization $8.100M $22.53M
YoY Change 30.65% -32.55%
Cash From Operating Activities $36.60M
YoY Change -283.67%
INVESTING ACTIVITIES
Capital Expenditures $13.37M
YoY Change 58.48%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities -$12.55M
YoY Change 84.65%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -4.162M
YoY Change -107.48%
NET CHANGE
Cash From Operating Activities 36.60M
Cash From Investing Activities -12.55M
Cash From Financing Activities -4.162M
Net Change In Cash 19.89M
YoY Change -31.19%
FREE CASH FLOW
Cash From Operating Activities $36.60M
Capital Expenditures $13.37M
Free Cash Flow $23.22M
YoY Change -181.88%

Facts In Submission

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CY2024Q1 adtn Redeemable Non Controlling Interest Equity Redemption Values
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CY2024Q1 adtn Foreign Currency Remeasurement Of Redeemable Non Controlling Interest
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CY2023Q1 adtn Stock Issued During Period Annual Recurring Compensation Value Earned
StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned
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CY2023Q1 adtn Reclassification And Remeasurement From Equity To Mezzanine Equity For Non Controlling Interests In Adva
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CY2023Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
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CY2023Q1 us-gaap Common Stock Dividends Per Share Cash Paid
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CY2023Q1 us-gaap Dividends Common Stock Cash
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CY2023Q1 adtn Deferred Compensation Adjustments Net Of Tax
DeferredCompensationAdjustmentsNetOfTax
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CY2023Q1 adtn Stock Vested During Period Value Restricted Stock Performance Stock Units And Restricted Stock Units
StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits
138000
CY2023Q1 us-gaap Stock Issued During Period Value Stock Options Exercised
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CY2023Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
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3812000
CY2023Q1 adtn Redeemable Non Controlling Interest Equity Redemption Values
RedeemableNonControllingInterestEquityRedemptionValues
343000
CY2023Q1 adtn Foreign Currency Remeasurement Of Redeemable Non Controlling Interest
ForeignCurrencyRemeasurementOfRedeemableNonControllingInterest
-430000
CY2023Q1 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
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CY2024Q1 us-gaap Profit Loss
ProfitLoss
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CY2023Q1 us-gaap Profit Loss
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CY2024Q1 us-gaap Depreciation Depletion And Amortization
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CY2023Q1 us-gaap Depreciation Depletion And Amortization
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33402000
CY2024Q1 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
292583000
CY2024Q1 us-gaap Amortization Of Financing Costs
AmortizationOfFinancingCosts
1013000
CY2023Q1 us-gaap Amortization Of Financing Costs
AmortizationOfFinancingCosts
146000
CY2024Q1 adtn Gain Loss On Investments And Dividends
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2621000
CY2023Q1 adtn Gain Loss On Investments And Dividends
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3154000
CY2024Q1 us-gaap Gain Loss On Sale Of Property Plant Equipment
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CY2024Q1 us-gaap Share Based Compensation
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CY2023Q1 us-gaap Share Based Compensation
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CY2024Q1 us-gaap Deferred Income Tax Expense Benefit
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CY2023Q1 us-gaap Deferred Income Tax Expense Benefit
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CY2023Q1 us-gaap Other Noncash Income Expense
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CY2024Q1 us-gaap Inventory Lifo Reserve Period Charge
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CY2023Q1 us-gaap Inventory Lifo Reserve Period Charge
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CY2024Q1 us-gaap Increase Decrease In Accounts Receivable
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CY2023Q1 us-gaap Increase Decrease In Accounts Receivable
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CY2024Q1 us-gaap Increase Decrease In Other Receivables
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CY2023Q1 us-gaap Increase Decrease In Other Receivables
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CY2024Q1 us-gaap Increase Decrease In Income Taxes Receivable
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CY2024Q1 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
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CY2023Q1 us-gaap Increase Decrease In Inventories
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2764000
CY2024Q1 adtn Increase Decrease In Prepaid Expense Other Current Assets And Other Assets
IncreaseDecreaseInPrepaidExpenseOtherCurrentAssetsAndOtherAssets
15882000
CY2023Q1 adtn Increase Decrease In Prepaid Expense Other Current Assets And Other Assets
IncreaseDecreaseInPrepaidExpenseOtherCurrentAssetsAndOtherAssets
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CY2024Q1 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
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CY2023Q1 us-gaap Increase Decrease In Accounts Payable
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CY2024Q1 us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
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CY2023Q1 us-gaap Increase Decrease In Other Accrued Liabilities
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6349000
CY2024Q1 us-gaap Increase Decrease In Accrued Income Taxes Payable
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1155000
CY2023Q1 us-gaap Increase Decrease In Accrued Income Taxes Payable
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10316000
CY2024Q1 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
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CY2023Q1 us-gaap Net Cash Provided By Used In Operating Activities
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CY2024Q1 us-gaap Payments To Acquire Property Plant And Equipment
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CY2023Q1 us-gaap Payments To Acquire Property Plant And Equipment
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CY2024Q1 us-gaap Proceeds From Sale And Maturity Of Available For Sale Securities
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873000
CY2023Q1 us-gaap Proceeds From Sale And Maturity Of Available For Sale Securities
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930000
CY2024Q1 us-gaap Payments To Acquire Available For Sale Securities Debt
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CY2023Q1 us-gaap Payments To Acquire Available For Sale Securities Debt
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516000
CY2023Q1 adtn Payment For Beneficial Interests In Securitized Accounts Receivable
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CY2024Q1 us-gaap Net Cash Provided By Used In Investing Activities
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CY2023Q1 us-gaap Net Cash Provided By Used In Investing Activities
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CY2024Q1 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
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CY2023Q1 us-gaap Payments Related To Tax Withholding For Share Based Compensation
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CY2024Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
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219000
CY2023Q1 us-gaap Proceeds From Stock Options Exercised
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58000
CY2023Q1 us-gaap Payments Of Dividends Common Stock
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CY2024Q1 adtn Proceeds From Receivables Purchase Agreement
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30231000
CY2024Q1 adtn Repayments On Receivables Purchase Agreement
RepaymentsOnReceivablesPurchaseAgreement
32437000
CY2023Q1 us-gaap Proceeds From Lines Of Credit
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CY2023Q1 us-gaap Repayments Of Lines Of Credit
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CY2023Q1 us-gaap Payments For Repurchase Of Redeemable Noncontrolling Interest
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CY2024Q1 us-gaap Payments Of Debt Issuance Costs
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CY2023Q1 us-gaap Repayments Of Notes Payable
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CY2024Q1 us-gaap Net Cash Provided By Used In Financing Activities
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CY2023Q1 us-gaap Net Cash Provided By Used In Financing Activities
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55628000
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CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
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CY2023Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
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CY2024Q1 us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
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CY2023Q1 us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
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CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
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CY2024Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
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CY2023Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
136457000
CY2024Q1 us-gaap Interest Paid Net
InterestPaidNet
5243000
CY2023Q1 us-gaap Interest Paid Net
InterestPaidNet
1610000
CY2024Q1 us-gaap Income Taxes Paid
IncomeTaxesPaid
2315000
CY2023Q1 us-gaap Income Taxes Paid
IncomeTaxesPaid
1251000
CY2024Q1 adtn Cash Used In Operating Activities Related To Operating Leases
CashUsedInOperatingActivitiesRelatedToOperatingLeases
2384000
CY2023Q1 adtn Cash Used In Operating Activities Related To Operating Leases
CashUsedInOperatingActivitiesRelatedToOperatingLeases
4057000
CY2024Q1 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
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842000
CY2023Q1 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
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486000
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1689000
CY2023Q1 us-gaap Noncash Or Part Noncash Acquisition Value Of Assets Acquired1
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4354000
CY2024Q1 adtn Percentage Of Guaranteed Interest Rate
PercentageOfGuaranteedInterestRate
0.05
CY2024Q1 adtn Percentage Of Guaranteed Interest Rate Plus Variable Component
PercentageOfGuaranteedInterestRatePlusVariableComponent
0.0362
CY2024Q1 adtn Aggregate Exit Compensation Payments Obligation
AggregateExitCompensationPaymentsObligation
338900000
CY2024Q1 adtn Aggregate Exit Compensation Payments Obligation
AggregateExitCompensationPaymentsObligation
365700000
CY2024Q1 adtn Expire Date Of Exit Compensation
ExpireDateOfExitCompensation
2023-03-16
CY2024Q1 adtn Annual Recurring Compensation Obligation
AnnualRecurringCompensationObligation
10600000
CY2024Q1 adtn Annual Recurring Compensation Obligation
AnnualRecurringCompensationObligation
11500000
CY2024Q1 adtn Accrued Annual Recurring Compensation Obligation
AccruedAnnualRecurringCompensationObligation
2900000
CY2023Q1 adtn Accrued Annual Recurring Compensation Obligation
AccruedAnnualRecurringCompensationObligation
2800000
CY2023 adtn Accrued Annual Recurring Compensation Obligation
AccruedAnnualRecurringCompensationObligation
11500000
CY2024Q1 us-gaap Use Of Estimates
UseOfEstimates
<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Use of Estimates</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expense during the reporting period. Significant estimates include allowance for credit losses on accounts receivable and contract assets, excess and obsolete inventory reserves, warranty reserves, customer rebates, determination and accrual of the deferred revenue related to performance obligations under contracts with customers, estimated costs to complete obligations associated with deferred and accrued revenues and network installations, estimated income tax provision and income tax contingencies, fair value of stock-based compensation, assessment of goodwill and other intangibles for impairment, estimated lives of intangible assets, estimates of intangible assets upon measurement, estimated pension liability and fair value of investments and estimated contingent liabilities. Actual amounts could differ significantly from these estimates.</span></p><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">We assessed certain accounting matters that generally require consideration of forecasted financial information in context with the information reasonably available to us and the unknown future impacts of ongoing inflationary pressures, the energy crisis, currency fluctuations and political tensions as of March 31, 2024, and through the date of this report. The accounting matters assessed included, but were not limited to, the allowance for credit losses, stock-based compensation, carrying value of goodwill, intangibles and other long-lived assets, financial assets, valuation allowances for tax as</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">sets, revenue recognition and costs of revenue. Future conditions related to ongoing inflationary pressures, the energy crisis, continued elevated interest rates, instability in the financial services industry, currency fluctuations and political tensions could result in further impacts to the Company's consolidated financial statements in future reporting periods</span>
CY2024Q1 adtn Number Of Product Categories
NumberOfProductCategories
3
CY2024Q1 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
226173000
CY2023Q1 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
323912000
CY2024Q1 us-gaap Revenue Remaining Performance Obligation Percentage
RevenueRemainingPerformanceObligationPercentage
0.61
CY2024Q1 us-gaap Accounts Receivable Net Current
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CY2023Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
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CY2024Q1 us-gaap Contract With Customer Asset Net Current
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CY2023Q4 us-gaap Contract With Customer Asset Net Current
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CY2024Q1 us-gaap Contract With Customer Liability Current
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CY2023Q4 us-gaap Contract With Customer Liability Current
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CY2024Q1 us-gaap Contract With Customer Liability Noncurrent
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22884000
CY2023Q4 us-gaap Contract With Customer Liability Noncurrent
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CY2024Q1 us-gaap Allowance For Doubtful Accounts Receivable Current
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400000
CY2023Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
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CY2024Q1 us-gaap Contract With Customer Asset Allowance For Credit Loss Writeoff
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CY2023Q1 us-gaap Contract With Customer Asset Allowance For Credit Loss Writeoff
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CY2024Q1 us-gaap Contract With Customer Liability Revenue Recognized
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19700000
CY2022 us-gaap Contract With Customer Liability Revenue Recognized
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CY2023Q1 us-gaap Contract With Customer Liability Revenue Recognized
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CY2023Q1 us-gaap Effective Income Tax Rate Continuing Operations
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-0.219
CY2024Q1 us-gaap Effective Income Tax Rate Continuing Operations
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CY2024Q1 us-gaap Deferred Tax Assets Gross
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CY2024Q1 us-gaap Deferred Tax Assets Valuation Allowance
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86500000
CY2024Q1 us-gaap Allocated Share Based Compensation Expense
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CY2023Q1 us-gaap Allocated Share Based Compensation Expense
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CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
1942000
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
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18.47
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
2774000
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
13.79
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
500000
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
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CY2023 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
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CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
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3087000
CY2024Q1 us-gaap Stock Issued During Period Shares Stock Options Exercised
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CY2024Q1 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
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58000
CY2024Q1 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
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CY2024Q1 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
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CY2024Q1 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
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P5Y2M4D
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
268000
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
1264000
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
13.3
CY2024Q1 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
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CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
300000
CY2024Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
34000
CY2023Q1 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
43000
CY2024Q1 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
0
CY2023Q1 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
0
CY2024Q1 us-gaap Other Investments
OtherInvestments
0
CY2024Q1 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
0
CY2023Q1 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
4000
CY2023Q1 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
11000
CY2023Q1 us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
-7000
CY2024Q1 us-gaap Equity Securities Fv Ni Realized Gain Loss
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123000
CY2023Q1 us-gaap Equity Securities Fv Ni Realized Gain Loss
EquitySecuritiesFvNiRealizedGainLoss
13000
CY2024Q1 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
2130000
CY2023Q1 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
1246000
CY2024Q1 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
2253000
CY2023Q1 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
1259000
CY2024Q1 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
130977000
CY2023Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
152140000
CY2024Q1 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
14856000
CY2023Q4 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
17239000
CY2024Q1 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
176314000
CY2023Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
192916000
CY2024Q1 us-gaap Inventory Net
InventoryNet
322147000
CY2023Q4 us-gaap Inventory Net
InventoryNet
362295000
CY2023Q1 us-gaap Inventory Write Down
InventoryWriteDown
0
CY2024Q1 us-gaap Machinery And Equipment Gross
MachineryAndEquipmentGross
184330000
CY2023Q4 us-gaap Machinery And Equipment Gross
MachineryAndEquipmentGross
183336000
CY2024Q1 adtn Building
Building
79159000
CY2023Q4 adtn Building
Building
79215000
CY2024Q1 us-gaap Capitalized Computer Software Gross
CapitalizedComputerSoftwareGross
111354000
CY2023Q4 us-gaap Capitalized Computer Software Gross
CapitalizedComputerSoftwareGross
101572000
CY2024Q1 us-gaap Buildings And Improvements Gross
BuildingsAndImprovementsGross
57491000
CY2023Q4 us-gaap Buildings And Improvements Gross
BuildingsAndImprovementsGross
58238000
CY2024Q1 us-gaap Furniture And Fixtures Gross
FurnitureAndFixturesGross
21536000
CY2023Q4 us-gaap Furniture And Fixtures Gross
FurnitureAndFixturesGross
21368000
CY2024Q1 us-gaap Land
Land
5227000
CY2023Q4 us-gaap Land
Land
5242000
CY2024Q1 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
459097000
CY2023Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
448971000
CY2024Q1 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
332128000
CY2023Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
325951000
CY2024Q1 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
126969000
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
123020000
CY2024Q1 us-gaap Depreciation
Depreciation
7200000
CY2023Q1 us-gaap Depreciation
Depreciation
7600000
CY2023Q4 us-gaap Goodwill
Goodwill
353415000
CY2024Q1 adtn Goodwill Impairment
GoodwillImpairment
-290528000
CY2024Q1 us-gaap Goodwill Foreign Currency Translation Gain Loss
GoodwillForeignCurrencyTranslationGainLoss
-7758000
CY2024Q1 us-gaap Goodwill
Goodwill
55129000
CY2023Q1 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0
CY2024Q1 us-gaap Goodwill Impaired Accumulated Impairment Loss
GoodwillImpairedAccumulatedImpairmentLoss
330500000
CY2024Q1 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
466520000
CY2024Q1 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
160072000
CY2024Q1 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
306448000
CY2023Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
477765000
CY2023Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
149780000
CY2023Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
327985000
CY2024Q1 us-gaap Impairment Of Intangible Assets Excluding Goodwill
ImpairmentOfIntangibleAssetsExcludingGoodwill
0
CY2023Q1 us-gaap Impairment Of Intangible Assets Excluding Goodwill
ImpairmentOfIntangibleAssetsExcludingGoodwill
0
CY2024Q1 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
14600000
CY2023Q1 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
25800000
CY2024Q1 us-gaap Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year
FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
43396000
CY2024Q1 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
46346000
CY2024Q1 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
43089000
CY2024Q1 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
41725000
CY2024Q1 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
41578000
CY2024Q1 adtn Finite Lived Intangible Assets Amortization Expense After Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour
90314000
CY2024Q1 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
306448000
CY2024Q1 us-gaap Line Of Credit
LineOfCredit
195000000
CY2023Q4 us-gaap Line Of Credit
LineOfCredit
195000000
CY2024Q1 us-gaap Debt Weighted Average Interest Rate
DebtWeightedAverageInterestRate
0.0846
CY2024Q1 adtn Debt Instrument Default Interest Rate Percentage
DebtInstrumentDefaultInterestRatePercentage
0.02
CY2024Q1 us-gaap Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
11700000
CY2023Q4 us-gaap Defined Benefit Pension Plan Liabilities Noncurrent
DefinedBenefitPensionPlanLiabilitiesNoncurrent
12500000
CY2024Q1 us-gaap Defined Benefit Pension Plan Liabilities Current
DefinedBenefitPensionPlanLiabilitiesCurrent
100000
CY2023Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
14000
CY2024Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
-87000
CY2024Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax
-27000
CY2024Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
-60000
CY2023Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
51000
CY2023Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax
16000
CY2023Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
35000
CY2023Q4 us-gaap Defined Benefit Pension Plan Liabilities Current
DefinedBenefitPensionPlanLiabilitiesCurrent
100000
CY2024Q1 us-gaap Defined Benefit Plan Service Cost
DefinedBenefitPlanServiceCost
340000
CY2023Q1 us-gaap Defined Benefit Plan Service Cost
DefinedBenefitPlanServiceCost
398000
CY2024Q1 adtn Defined Benefit Plan Interest Costs Net
DefinedBenefitPlanInterestCostsNet
285000
CY2023Q1 adtn Defined Benefit Plan Interest Costs Net
DefinedBenefitPlanInterestCostsNet
-32000
CY2024Q1 us-gaap Defined Benefit Plan Expected Return On Plan Assets
DefinedBenefitPlanExpectedReturnOnPlanAssets
360000
CY2023Q1 us-gaap Defined Benefit Plan Expected Return On Plan Assets
DefinedBenefitPlanExpectedReturnOnPlanAssets
-58000
CY2024Q1 us-gaap Defined Benefit Plan Amortization Of Gains Losses
DefinedBenefitPlanAmortizationOfGainsLosses
-2000
CY2023Q1 us-gaap Defined Benefit Plan Amortization Of Gains Losses
DefinedBenefitPlanAmortizationOfGainsLosses
-6000
CY2024Q1 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
267000
CY2023Q1 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
430000
CY2024Q1 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
1200000
CY2023Q1 us-gaap Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
1000000
CY2024Q1 us-gaap Defined Benefit Plan Expected Future Benefit Payments Remainder Of Fiscal Year
DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear
3500000
CY2024Q1 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-17864000
CY2024Q1 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-59000
CY2024Q1 adtn Other Comprehensive Income Loss Net Of Tax Due To Changes In Accounting Standard
OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard
-17805000
CY2023Q1 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
8761000
CY2023Q1 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-21000
CY2023Q1 adtn Other Comprehensive Income Loss Net Of Tax Due To Changes In Accounting Standard
OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard
8782000
CY2023Q1 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
382000
CY2024Q1 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-161000
CY2024Q1 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-42000
CY2024Q1 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-119000
CY2023Q1 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
109000
CY2023Q1 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
26000
CY2023Q1 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
83000
CY2024Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-161000
CY2024Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
-42000
CY2024Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-119000
CY2023Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
18000
CY2023Q1 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
4000
CY2024Q1 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
-17745000
CY2023Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.51
CY2024Q1 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
3500000
CY2023Q1 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
400000
CY2024Q1 us-gaap Number Of Reportable Segments
NumberOfReportableSegments
2
CY2024Q1 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-17745000
CY2023Q1 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
8678000
CY2023Q1 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
8678000
CY2024Q1 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-17832000
CY2024Q1 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-27000
CY2024Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-17805000
CY2023Q1 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
8820000
CY2023Q1 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
38000
CY2023Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
8782000
CY2024Q1 adtn Redeemable Noncontrolling Interest Textblock
RedeemableNoncontrollingInterestTextblock
<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">14. REDEEMABLE NON-CONTROLLING INTEREST</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">As</span><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;"> </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">of March 31, 2024, the non-controlling Adtran Networks stockholders’ equity ownership percentage in Adtran Networks was approximately </span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">35</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">%.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:8pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><div style="font-size:10pt;font-family:Times New Roman;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The following table summarizes the redeemable non-controlling interest activity for the </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">three months ended March 31, 2024 and for the year ended December 31, 2023:</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p> <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:100.0%;border-collapse:separate;margin-right:auto;"> <tr style="visibility:collapse;"> <td style="width:62.06%;"></td> <td style="width:1.64%;"></td> <td style="width:1%;"></td> <td style="width:15.26%;"></td> <td style="width:1%;"></td> <td style="width:1.78%;"></td> <td style="width:1%;"></td> <td style="width:15.26%;"></td> <td style="width:1%;"></td> </tr> <tr style="height:8pt;background-color:#ffffff;word-break:break-word;white-space:pre-wrap;"> <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Three Months Ended</span></p></td> <td style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">For the Year Ended</span></p></td> <td style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:8pt;background-color:#ffffff;word-break:break-word;white-space:pre-wrap;"> <td style="vertical-align:bottom;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-style:italic;min-width:fit-content;">(In thousands)</span></p></td> <td style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">March 31, 2024</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">December 31, 2023</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10pt;background-color:#cff0fc;word-break:break-word;"> <td style="white-space:pre-wrap;vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Balance at beginning of period</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-weight:bold;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">451,756</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-weight:bold;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">—</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10pt;background-color:#ffffff;word-break:break-word;"> <td style="text-indent:10pt;white-space:pre-wrap;vertical-align:top;"><p style="margin-left:10pt;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Reclassification of non-controlling interests</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">—</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">443,757</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10pt;background-color:#cff0fc;word-break:break-word;"> <td style="text-indent:10pt;white-space:pre-wrap;vertical-align:top;"><p style="margin-left:10pt;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Fair value on redemption of redeemable non-controlling interest</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(</span><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">6</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;min-width:fit-content;">)</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(</span><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">1,657</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;min-width:fit-content;">)</span></p></td> </tr> <tr style="height:10pt;background-color:#ffffff;word-break:break-word;"> <td style="text-indent:10pt;white-space:pre-wrap;vertical-align:top;"><p style="margin-left:10pt;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Net income attributable to redeemable non-controlling interests</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">2,880</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">11,525</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10pt;background-color:#cff0fc;word-break:break-word;"> <td style="text-indent:10pt;white-space:pre-wrap;vertical-align:top;"><p style="margin-left:10pt;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Annual recurring compensation earned</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(</span><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">2,880</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;min-width:fit-content;">)</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(</span><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">11,525</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;min-width:fit-content;">)</span></p></td> </tr> <tr style="height:10pt;background-color:#ffffff;word-break:break-word;"> <td style="text-indent:10pt;white-space:pre-wrap;vertical-align:top;"><p style="margin-left:10pt;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Adtran Networks stock option exercises</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">—</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">52</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10pt;background-color:#cff0fc;word-break:break-word;"> <td style="text-indent:10pt;white-space:pre-wrap;vertical-align:top;"><p style="margin-left:10pt;text-indent:0;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">Translation adjustment</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">(</span><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">10,115</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;min-width:fit-content;">)</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;min-width:fit-content;">9,604</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10pt;background-color:#ffffff;word-break:break-word;"> <td style="white-space:pre-wrap;vertical-align:top;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">Balance at end of period</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #000000;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-weight:bold;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">441,635</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #ffffff03;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="white-space:pre-wrap;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #000000;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-weight:bold;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;min-width:fit-content;">451,756</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #ffffff03;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="min-width:fit-content;"> </span></p></td> </tr> </table></div><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Annual recurring compensation payable on untendered outstanding shares under the DPLTA must be recognized as it is accrued. For the three months ended March 31, 2024</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">, we have recognized $</span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">2.9</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> million, representing the portion of the annual recurring cash compensation to the non-controlling shareholders accrued during such periods, which will be paid after the ordinary general shareholders' meeting of Adtran Networks beginning in 2025. For the year ended December 31, 2023, we have recognized $</span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">11.5</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> million representing the portion of the annual recurring cash compensation to the non-controlling shareholders accrued during such periods, which will be paid after the ordinary general shareholders' meeting of Adtran Networks beginning in 2024. </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">See Note 1 for additional information on RNCI and the annual dividend</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">.</span></p>
CY2023Q4 us-gaap Redeemable Noncontrolling Interest Equity Common Carrying Amount
RedeemableNoncontrollingInterestEquityCommonCarryingAmount
451756000
CY2023Q4 adtn Reclassification Of Redeemable Non Controlling Interests
ReclassificationOfRedeemableNonControllingInterests
443757000
CY2024Q1 us-gaap Redeemable Noncontrolling Interest Equity Common Fair Value
RedeemableNoncontrollingInterestEquityCommonFairValue
6000
CY2023Q4 us-gaap Redeemable Noncontrolling Interest Equity Common Fair Value
RedeemableNoncontrollingInterestEquityCommonFairValue
1657000
CY2024Q1 us-gaap Net Income Loss Attributable To Redeemable Noncontrolling Interest
NetIncomeLossAttributableToRedeemableNoncontrollingInterest
2880000
CY2023 us-gaap Net Income Loss Attributable To Redeemable Noncontrolling Interest
NetIncomeLossAttributableToRedeemableNoncontrollingInterest
11525000
CY2024Q1 adtn Redeemable Non Controlling Interest Annual Recurring Compensation Earned
RedeemableNonControllingInterestAnnualRecurringCompensationEarned
-2880000
CY2023Q4 adtn Redeemable Non Controlling Interest Annual Recurring Compensation Earned
RedeemableNonControllingInterestAnnualRecurringCompensationEarned
-11525000
CY2024Q1 adtn Redeemable Non Controlling Interest Translation Adjustment
RedeemableNonControllingInterestTranslationAdjustment
-10115000
CY2023 adtn Redeemable Non Controlling Interest Translation Adjustment
RedeemableNonControllingInterestTranslationAdjustment
9604000
CY2024Q1 us-gaap Redeemable Noncontrolling Interest Equity Common Carrying Amount
RedeemableNoncontrollingInterestEquityCommonCarryingAmount
441635000
CY2023Q4 us-gaap Redeemable Noncontrolling Interest Equity Common Carrying Amount
RedeemableNoncontrollingInterestEquityCommonCarryingAmount
451756000
CY2024Q1 adtn Annual Dividend To Redeemable Non Controlling Shareholders
AnnualDividendToRedeemableNonControllingShareholders
2900000
CY2023 adtn Annual Dividend To Redeemable Non Controlling Shareholders
AnnualDividendToRedeemableNonControllingShareholders
11500000
CY2024Q1 us-gaap Net Income Loss
NetIncomeLoss
-324550000
CY2023Q1 us-gaap Net Income Loss
NetIncomeLoss
-40083000
CY2024Q1 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
78814000
CY2023Q1 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
78358000
CY2024Q1 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
78814000
CY2023Q1 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
78358000
CY2024Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-4.12
CY2023Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.51
CY2024Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-4.12
CY2024Q1 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
226173000
CY2024Q1 us-gaap Gross Profit
GrossProfit
72255000
CY2023Q1 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
323912000
CY2023Q1 us-gaap Gross Profit
GrossProfit
87808000
CY2024Q1 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
226173000
CY2023Q1 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
323912000
CY2024Q1 us-gaap Standard Product Warranty Description
StandardProductWarrantyDescription
90 days to five years
CY2024Q1 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
6200000
CY2023Q4 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
6400000
CY2023Q4 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
6445000
CY2022Q4 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
7196000
CY2024Q1 adtn Product Warranty Accrual Increase Decrease For Warranties Issued
ProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssued
646000
CY2023Q1 adtn Product Warranty Accrual Increase Decrease For Warranties Issued
ProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssued
1077000
CY2024Q1 us-gaap Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss
StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss
-54000
CY2023Q1 us-gaap Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss
StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss
26000
CY2024Q1 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
816000
CY2023Q1 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
1099000
CY2024Q1 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
6221000
CY2023Q1 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
7200000
CY2024Q1 adtn Percentage Of Guaranteed Interest Rate
PercentageOfGuaranteedInterestRate
0.05
CY2024Q1 adtn Percentage Of Guaranteed Interest Rate Plus Variable Component
PercentageOfGuaranteedInterestRatePlusVariableComponent
0.0362
CY2024Q1 adtn Aggregate Exit Compensation Payments Obligation
AggregateExitCompensationPaymentsObligation
338900000
CY2024Q1 adtn Aggregate Exit Compensation Payments Obligation
AggregateExitCompensationPaymentsObligation
365700000
CY2024Q1 adtn Expire Date Of Exit Compensation
ExpireDateOfExitCompensation
2023-03-16
CY2024Q1 adtn Annual Recurring Compensation Obligation
AnnualRecurringCompensationObligation
10600000
CY2023 adtn Annual Recurring Compensation Obligation
AnnualRecurringCompensationObligation
11500000
CY2024Q1 adtn Accrued Annual Recurring Compensation Obligation
AccruedAnnualRecurringCompensationObligation
2900000
CY2023Q1 adtn Accrued Annual Recurring Compensation Obligation
AccruedAnnualRecurringCompensationObligation
2800000
CY2023 adtn Annual Recurring Compensation Obligation
AnnualRecurringCompensationObligation
11500000
CY2024Q1 adtn Number Of Shares Tendered
NumberOfSharesTendered
1000
CY2023Q1 adtn Number Of Shares Tendered
NumberOfSharesTendered
62000
CY2024Q1 adtn Exit Compensation Payments
ExitCompensationPayments
4000
CY2023Q1 adtn Exit Compensation Payments
ExitCompensationPayments
1100000
CY2024Q1 adtn Exit Compensation Payments
ExitCompensationPayments
5000
CY2023Q1 adtn Exit Compensation Payments
ExitCompensationPayments
1200000
CY2024Q1 adtn Commitments Related To Performance Bonds
CommitmentsRelatedToPerformanceBonds
10600000
CY2023Q4 adtn Commitments Related To Performance Bonds
CommitmentsRelatedToPerformanceBonds
10800000
CY2024Q1 adtn Commitments Related To Performance Bonds Expiration Month And Year
CommitmentsRelatedToPerformanceBondsExpirationMonthAndYear
2031-04
CY2024Q1 us-gaap Purchase Obligation
PurchaseObligation
238000000
CY2023Q4 adtn Percentage Of Decrease In Workforce And Hiring Freeze Of Employees
PercentageOfDecreaseInWorkforceAndHiringFreezeOfEmployees
0.05
CY2024Q1 us-gaap Restructuring Costs
RestructuringCosts
17100000
CY2023Q4 us-gaap Restructuring Costs
RestructuringCosts
42200000
CY2023Q4 us-gaap Restructuring Reserve
RestructuringReserve
8309000
CY2024Q1 us-gaap Restructuring Charges
RestructuringCharges
13118000
CY2024Q1 us-gaap Payments For Restructuring
PaymentsForRestructuring
11075000
CY2024Q1 us-gaap Restructuring Reserve
RestructuringReserve
10352000
CY2022Q4 us-gaap Restructuring Reserve
RestructuringReserve
159000
CY2023 us-gaap Restructuring Charges
RestructuringCharges
22241000
CY2023 us-gaap Payments For Restructuring
PaymentsForRestructuring
14091000
CY2023Q4 us-gaap Restructuring Reserve
RestructuringReserve
8309000
CY2024Q1 adtn Restructuring Charges Including Non Cash Expenses
RestructuringChargesIncludingNonCashExpenses
17110000
CY2023Q1 adtn Restructuring Charges Including Non Cash Expenses
RestructuringChargesIncludingNonCashExpenses
2437000
CY2024Q1 adtn Restructuring Charges Including Non Cash Expenses
RestructuringChargesIncludingNonCashExpenses
17110000
CY2023Q1 adtn Restructuring Charges Including Non Cash Expenses
RestructuringChargesIncludingNonCashExpenses
2437000
CY2024Q1 ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
CY2024Q1 ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
CY2024Q1 ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false
CY2024Q1 ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false

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