13G Filing: Perceptive Advisors and Ocera Therapeutics Inc. (OCRX)

Page 4 of 8 – SEC Filing

CUSIP
No. 67552A108
13G Page
4 of 8 Pages
1.

names of reporting
persons

i.r.s. identification no.
of above persons (entities only)

 

Perceptive Life
Sciences Master Fund, Ltd.

2. check the appropriate box if a group*

(a)
o

(b)
o

3.

sec use only

 

4.

citizenship or place
of organization

Cayman
Islands

number of
shares
5. sole voting power 0
beneficially
owned by
6. shared voting power

2,038,880

each
reporting
7. sole dispositive power 0
person with: 8. shared dispositive power

2,038,880

9. aggregate amount beneficially owned by each reporting person

2,038,880

10. check
box if the aggregate amount in row (9) excludes certain shares (See Instructions)
o
11. percent of class represented by amount in row (9)

8.63%

12. type of reporting person (See Instructions)

CO

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