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MARINUS PHARMACEUTICALS, INC.

marinuspharma.com

No Longer Reporting

The company has not filed an annual or quarterly report since its Q3 FY2024 10-Q, filed Nov 12, 2024. Its latest SEC filing is a SCHEDULE 13G/A from May 15, 2025.

The sections below describe the company as of the FY2023 annual report.

What Did They Do?

Sells an oral medicine for seizures linked to a rare genetic disorder, and develops ganaxolone for other rare epilepsies and prolonged seizures.

How Did They Make Money?

Marinus sells ZTALMY through specialty pharmacy orders and delivers it to Orsini; Orsini's payment is due after shipment.

FY2023 revenue by product or service revenue
SegmentShareRevenue
Product revenue, net
Sold outright

100%
Collaboration revenue
0.3%

Who Were Their Customers?

In the U.S., ZTALMY is dispensed directly to patients by a specialty pharmacy; a specialty distributor serves institutional inpatient pharmacies, government customers and Kaiser Permanente.

Did Revenues Turn Into Profits?

No. It lost $141.4M in FY2023.

Operating income, FY2023
−424% of revenue
▲ +17% (Loss) vs FY2022 (−$112.8M, −443%)
Net income, FY2023
−456% of revenue
▲ +614% (Loss) vs FY2022 (−$19.8M, −78%)

How Were They Changing?

Since the FY2023 annual report
Latest quarter: Q3 FY2024, the three months to Sep 30, 2024
Revenue
▲ +16%
vs $7.3M in Q3 FY2023
Net income
▼ −27% (Loss)
vs −$33M in Q3 FY2023
Product revenue, net share of revenue vs 99.7% in Q3 FY2023
  • Feb 11, 2025 Immedica completed its acquisition of Marinus Marinus became an indirect wholly owned subsidiary, and its stock ceased trading on Nasdaq.
  • Dec 30, 2024 Marinus terminated its European commercialization and supply agreements with Orion
  • Nov 12, 2024 Narrowed 2024 ZTALMY revenue guidance to $33 to $34 million The range changed from $33 to $35 million to $33 to $34 million.

From candidate to sales The earlier report described ganaxolone as a clinical-stage candidate; the latest describes ZTALMY as an approved medicine available for sale, while ganaxolone remains in development for other seizure disorders.

Revenue over time
Product revenue, net Collaboration revenue
$20M$10M$0

Who Did They Compete With?

Competes with Bio-Pharm Solutions, Novartis Pharmaceuticals, Jazz Pharmaceuticals, UCB, Noema Pharma, Ovid, Assertio Holdings, Takeda Pharmaceutical, and SK Life Science

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