13G Filing: Granite Point Capital and Marinus Pharmaceuticals Inc (MRNS)

Page 2 of 13

Page 2 of 13 – SEC Filing

1

NAME OF REPORTING PERSON

Granite Point Capital Master Fund, L.P.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ¨

(b) ¨

3 SEC USE ONLY
4

CITIZENSHIP OR PLACE OF ORGANIZATION

Cayman Islands

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5

SOLE VOTING POWER

0

6

SHARED VOTING POWER

1,063,790

7

SOLE DISPOSITIVE POWER

0

8

SHARED DISPOSITIVE POWER

1,063,790

9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,063,790

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.74%

12

TYPE OF REPORTING PERSON

PN

Follow Marinus Pharmaceuticals Inc. (NASDAQ:MRNS)

Page 2 of 13