<SEC-DOCUMENT>0001144204-16-129201-index.html : 20161024
<SEC-HEADER>0001144204-16-129201.hdr.sgml : 20161024
<ACCEPTANCE-DATETIME>20161024164940
ACCESSION NUMBER:		0001144204-16-129201
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161020
FILED AS OF DATE:		20161024
DATE AS OF CHANGE:		20161024

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARINUS PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001267813
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		170 N RADNOR CHESTER RD
		STREET 2:		SUITE 250
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		484-801-4670

	MAIL ADDRESS:	
		STREET 1:		170 N RADNOR CHESTER RD
		STREET 2:		SUITE 250
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			POWELL MICHAEL
		CENTRAL INDEX KEY:			0001202793

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948537

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HEALY JAMES
		CENTRAL INDEX KEY:			0001245624

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948539

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Buatois Eric
		CENTRAL INDEX KEY:			0001362314

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948540

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sofinnova Management VI, L.L.C.
		CENTRAL INDEX KEY:			0001397188
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948541

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-681-8420

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sofinnova Venture Partners VI GmbH & Co. KG
		CENTRAL INDEX KEY:			0001397189
		STATE OF INCORPORATION:			2M
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948543

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 681-8420

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mehra Anand
		CENTRAL INDEX KEY:			0001590102

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948545

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Azan Alain
		CENTRAL INDEX KEY:			0001294340

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948538

	MAIL ADDRESS:	
		STREET 1:		2800 SAND HILL ROAD
		STREET 2:		SUITE 150
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sofinnova Venture Affiliates VI LP
		CENTRAL INDEX KEY:			0001312272
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948542

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 681-8420

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SOFINNOVA VENTURE PARTNERS VI L P
		CENTRAL INDEX KEY:			0001211465
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36576
		FILM NUMBER:		161948544

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-681-8420

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD, 4-250
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v450997_4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: v450997_4.html

Document 1 - RAW XML: v450997_4.xml

</DOCUMENT>
</SEC-DOCUMENT>