Stock report · Delisted · Nasdaq

Marinus Pharmaceuticals Inc (MRNS)

0.55USD Delisted Final close · Feb 10, 2025

MRNS no longer trades. Marinus Pharmaceuticals was delisted from the Nasdaq in February 2025.

All prices on this page are historical. The last trade was on February 10, 2025, at $0.55.

MRNS stock price history

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Split-adjusted closing prices, 2014–2025

Final trading statistics

Final close
$0.55
Final trading day
Feb 10, 2025
Market cap at delisting
$30.37M
Shares outstanding
55.22M
Final 52-week range
$0.22 – $10.50
Avg. volume (final 3 mo.)
1,794,805
All-time high
$77.52 · Aug 2015
All-time low
$0.23 · Dec 2024
Return since IPO
-98.3%
Beta
1.26
Book value / share
$0.31
Price / book
1.79

About Marinus Pharmaceuticals Inc

Marinus Pharmaceuticals developed and sold treatments for rare genetic epilepsies and other seizure disorders. Its product ZTALMY (ganaxolone) was an oral suspension for seizures linked to CDKL5 deficiency disorder in adults and children, usable in hospital and at-home settings. Ganaxolone acts on synaptic and extrasynaptic GABAA receptors.

The company was also studying ganaxolone in other genetic epilepsies, such as PCDH19-related epilepsy and tuberous sclerosis complex. It had license deals with Purdue Neuroscience and CyDex Pharmaceuticals and collaborations with Orion Corporation and Tenacia Biotechnology (Shanghai).

Marinus was incorporated in 2003 and based in Radnor, Pennsylvania. Its stock was delisted from the Nasdaq in February 2025, with the last trade on February 10, 2025 at $0.55.

Exchange (former)
Nasdaq
Sector
Healthcare
Industry
Biotechnology
Headquarters
Radnor, PA
Employees
165
IPO date
July 31, 2014
Delisted
February 10, 2025
SEC CIK
1267813

Marinus Pharmaceuticals financials before the delisting

The last 5 fiscal years Marinus Pharmaceuticals reported as a public company, fiscal year ending December.

MRNS revenue and net income

RevenueNet income

MRNS earnings per share

Earnings per share

MRNS annual financials

Marinus Pharmaceuticals Inc revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
FY2023$30.99M−$141.4M−$2.63
FY2022$25.48M−$19.8M−$3.28
FY2021$15.35M−$101.7M−$2.69
FY2020$1.72M−$66.6M−$2.58
FY2019$0.00−$53.8M−$3.96

Net income is GAAP. EPS is adjusted (non-GAAP) EPS, as reported.

Marinus Pharmaceuticals stock FAQ

What happened to Marinus Pharmaceuticals stock?

Marinus Pharmaceuticals was delisted from the Nasdaq in February 2025. The final close was $0.55 on February 10, 2025.

Can I still buy MRNS stock?

No. MRNS is no longer listed on the Nasdaq or any other U.S. exchange; it was removed on February 10, 2025.

What was the last price of MRNS?

MRNS last closed at $0.55 on February 10, 2025, which valued the company at about $30.37M.

How did Marinus Pharmaceuticals do in its last full fiscal year?

In fiscal 2023, its last full year as a public company, Marinus Pharmaceuticals reported revenue of $30.99M and net income of −$141.4M.

When did Marinus Pharmaceuticals go public?

Marinus Pharmaceuticals shares started trading on July 31, 2014.

MRNS no longer trades, so there is no live quote. The information on this page is for reference only and is not investment advice; see our disclaimer.