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$CALX

$38.60 +$0.10 (0.26%)

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Insider Transactions

Insider Transaction Summary

Carl Russo

1,648,279 shares

Net: -209,080 B/S: 0.63

DONALD J LISTWIN

497,533 shares

Net: 0 B/S: -

MICHAEL T EVERETT

196,779 shares

Net: 0 B/S: -

Shane Todd Marshall Eleniak

195,000 shares

Net: +195,000 B/S: 3.64

John Colvin

166,415 shares

Net: 0 B/S: -

Kevin Robert Peters

130,717 shares

Net: 0 B/S: -

MICHAEL T FLYNN

125,937 shares

Net: 0 B/S: -

J DANIEL PLANTS

117,865 shares

Net: 0 B/S: -

John Matthew Collins

107,775 shares

Net: 0 B/S: -

CORY SINDELAR

103,994 shares

Net: +197,709 B/S: 2.98

THOMAS E PARDUN

96,476 shares

Net: 0 B/S: -

KEVIN A DENUCCIO

80,000 shares

Net: 0 B/S: -

CHRISTOPHER J BOWICK

66,616 shares

Net: 0 B/S: -

Michael Matthews

64,000 shares

Net: 0 B/S: -

KATHLEEN M CRUSCO

59,394 shares

Net: 0 B/S: -

Gregory A. Billings

50,000 shares

Net: 0 B/S: -

Kira Makagon

38,964 shares

Net: 0 B/S: -

Andy Glen Lockhart

28,753 shares

Net: 0 B/S: -

Michael Weening

16,556 shares

Net: +268,244 B/S: 1.34

Eleanor Fields

12,262 shares

Net: 0 B/S: -

Wade Oosterman

7,189 shares

Net: 0 B/S: -

William J Atkins

6,000 shares

Net: 0 B/S: -

MICHAEL J BERRY

4,689 shares

Net: 0 B/S: -

Rajatish Mukherjee

4,689 shares

Net: 0 B/S: -

John Durocher

2,367 shares

Net: +195,439 B/S: ∞

SHEILA CHEUNG

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Carl Russo	1,648,279	-209,080	0.63
DONALD J LISTWIN	497,533	0	-
MICHAEL T EVERETT	196,779	0	-
Shane Todd Marshall Eleniak	195,000	+195,000	3.64
John Colvin	166,415	0	-
Kevin Robert Peters	130,717	0	-
MICHAEL T FLYNN	125,937	0	-
J DANIEL PLANTS	117,865	0	-
John Matthew Collins	107,775	0	-
CORY SINDELAR	103,994	+197,709	2.98
THOMAS E PARDUN	96,476	0	-
KEVIN A DENUCCIO	80,000	0	-
CHRISTOPHER J BOWICK	66,616	0	-
Michael Matthews	64,000	0	-
KATHLEEN M CRUSCO	59,394	0	-
Gregory A. Billings	50,000	0	-
Kira Makagon	38,964	0	-
Andy Glen Lockhart	28,753	0	-
Michael Weening	16,556	+268,244	1.34
Eleanor Fields	12,262	0	-
Wade Oosterman	7,189	0	-
William J Atkins	6,000	0	-
MICHAEL J BERRY	4,689	0	-
Rajatish Mukherjee	4,689	0	-
John Durocher	2,367	+195,439	∞
SHEILA CHEUNG	0	0	-

Individual Transactions

April 27, 2026

Carl Russo

Open Market Sale

Change: -20,909

Price: $43.17

Shares: 1,648,279

Value: -$902,618

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Apr 28	Open Market Sale (S) Market Sale	1,648,279	-20,909	$43.17	-$902,618

April 08, 2026

Carl Russo

Gift

Change: -40,000

Price: $0.00

Shares: 3,953,070

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Apr 10	Gift (G) Non-Market Transfer	3,953,070	-40,000	$0.00	-$0

March 30, 2026

Carl Russo

Grant/Award Acquisition

Change: +11,753

Price: $0.00

Shares: 11,753

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Mar 31	Grant/Award Acquisition (A) Compensation/Award	11,753	+11,753	$0.00	+$0

February 25, 2026

Carl Russo

Option Exercise/Conversion

Change: +10,000

Price: $12.63

Shares: 3,993,070

Value: +$126,300

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Feb 26	Option Exercise/Conversion (M) Compensation/Award	3,993,070	+10,000	$12.63	+$126,300

February 14, 2026

John Durocher

Grant/Award Acquisition

Change: +439

Price: $45.32

Shares: 2,367

Value: +$19,896

Michael Weening

Grant/Award Acquisition

Change: +439

Price: $45.32

Shares: 16,556

Value: +$19,896

CORY SINDELAR

Grant/Award Acquisition

Change: +439

Price: $45.32

Shares: 103,994

Value: +$19,896

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John Durocher	Feb 17	Grant/Award Acquisition (A) Compensation/Award	2,367	+439	$45.32	+$19,896
Michael Weening	Feb 17	Grant/Award Acquisition (A) Compensation/Award	16,556	+439	$45.32	+$19,896
CORY SINDELAR	Feb 17	Grant/Award Acquisition (A) Compensation/Award	103,994	+439	$45.32	+$19,896

February 12, 2026

John Durocher

Grant/Award Acquisition

Change: +195,000

Price: $0.00

Shares: 195,000

Value: +$0

Shane Todd Marshall Eleniak

Grant/Award Acquisition

Change: +195,000

Price: $0.00

Shares: 195,000

Value: +$0

Michael Weening

Grant/Award Acquisition

Change: +217,500

Price: $0.00

Shares: 217,500

Value: +$0

CORY SINDELAR

Grant/Award Acquisition

Change: +170,000

Price: $0.00

Shares: 170,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John Durocher	Feb 17	Grant/Award Acquisition (A) Compensation/Award	195,000	+195,000	$0.00	+$0
Shane Todd Marshall Eleniak	Feb 17	Grant/Award Acquisition (A) Compensation/Award	195,000	+195,000	$0.00	+$0
Michael Weening	Feb 17	Grant/Award Acquisition (A) Compensation/Award	217,500	+217,500	$0.00	+$0
CORY SINDELAR	Feb 17	Grant/Award Acquisition (A) Compensation/Award	170,000	+170,000	$0.00	+$0

February 03, 2026

Carl Russo

Open Market Sale

Change: -13,477

Price: $46.93

Shares: 1,680,711

Value: -$632,526

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Feb 04	Open Market Sale (S) Market Sale	1,680,711	-13,477	$46.93	-$632,526

February 02, 2026

CORY SINDELAR

Option Exercise/Conversion

Change: +27,000

Price: $5.05

Shares: 103,555

Value: +$136,350

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CORY SINDELAR	Feb 03	Option Exercise/Conversion (M) Compensation/Award	103,555	+27,000	$5.05	+$136,350

January 07, 2026

Carl Russo

Option Exercise/Conversion

Change: +10,000

Price: $12.63

Shares: 3,983,070

Value: +$126,300

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Jan 08	Option Exercise/Conversion (M) Compensation/Award	3,983,070	+10,000	$12.63	+$126,300

January 02, 2026

Carl Russo

Grant/Award Acquisition

Change: +11,663

Price: $0.00

Shares: 11,663

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Jan 05	Grant/Award Acquisition (A) Compensation/Award	11,663	+11,663	$0.00	+$0

November 24, 2025

Carl Russo

Option Exercise/Conversion

Change: +10,000

Price: $12.63

Shares: 3,973,070

Value: +$126,300

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Nov 25	Option Exercise/Conversion (M) Compensation/Award	3,973,070	+10,000	$12.63	+$126,300

November 17, 2025

Carl Russo

Option Exercise/Conversion

Change: +10,000

Price: $12.63

Shares: 3,963,070

Value: +$126,300

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Carl Russo	Nov 18	Option Exercise/Conversion (M) Compensation/Award	3,963,070	+10,000	$12.63	+$126,300

November 10, 2025

Shane Todd Marshall Eleniak

Option Exercise/Conversion

Change: +24,000

Price: $8.03

Shares: 24,000

Value: +$192,720

Shane Todd Marshall Eleniak

Open Market Sale

Change: -24,000

Price: $64.14

Shares: 0

Value: -$1,539,240

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Shane Todd Marshall Eleniak	Nov 12	Option Exercise/Conversion (M) Compensation/Award	24,000	+24,000	$8.03	+$192,720
Shane Todd Marshall Eleniak	Nov 12	Open Market Sale (S) Market Sale	0	-24,000	$64.14	-$1,539,240

November 06, 2025

CORY SINDELAR

Option Exercise/Conversion

Change: +50,000

Price: $5.05

Shares: 126,555

Value: +$252,500

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CORY SINDELAR	Nov 12	Option Exercise/Conversion (M) Compensation/Award	126,555	+50,000	$5.05	+$252,500