RADNOR, Pa. (GLOBE NEWSWIRE) -- Marinus Pharmaceuticals, Inc. (NASDAQ: MRNS),  announced the closing of an underwritten public offering of 18,400,000 shares of common stock at a public offering price of $2.50 per share, including the exercise in full by the underwriters of their option to purchase up to 2,400,000 additional shares of common stock. The offering raised gross proceeds of approximately $46 million, before deducting underwriting discounts and commissions and other offering expenses payable by the Company.

Cowen and Cantor Fitzgerald & Co. acted as lead book-running managers for the offering. SunTrust Robinson Humphrey acted as a bookrunner for the offering. Oppenheimer & Co. Inc. acted as lead manager for the offering. H.C. Wainwright & Co. acted as co-manager for the offering.

Marinus intends to use the net proceeds of the offering to fund the development of its product candidates and for general corporate purposes, which may include working capital, capital expenditures, research and development expenditures, clinical trial expenditures, acquisitions of new technologies, products or businesses, and investments.

About Marinus Pharmaceuticals

Marinus Pharmaceuticals, Inc. is a pharmaceutical company dedicated to the development of innovative therapeutics to treat rare seizure disorders. Ganaxolone is a positive allosteric modulator of GABA_A receptors that acts on a well-characterized target in the brain known to have anti-seizure, anti-depressant, and anti-anxiety effects. Ganaxolone is being developed in IV and oral dose forms intended to maximize therapeutic reach to adult and pediatric patient populations in both acute and chronic care settings. Marinus is conducting the first ever Phase 3 pivotal trial in children with CDKL5 deficiency disorder, along with a Phase 2 trial in Tuberous Sclerosis Complex, and a Phase 2 biomarker driven proof of concept trial in PCDH19-related epilepsy. The Company intends to initiate a Phase 3 trial in status epilepticus.