Versartis Inc. (VSAR): Perceptive Advisors Raises Stake

Page 4 of 8 – SEC Filing
CUSIP
No. 92529L102
13G/A Page
4 of 8 Pages
13.

names of reporting
persons

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

 

Perceptive Life
Sciences Master Fund, Ltd.

14. check the appropriate box if a group*

(a)
o

(b)
o

15.

sec use only

 

16.

citizenship or place
of organization

Cayman
Islands

number of
shares
17. sole voting power 0
beneficially
owned by
18. shared voting power 3,871,286
each
reporting
19. sole dispositive power 0
person with: 20. shared dispostive power

3,871,286

21. aggregate amount beneficially owned by each reporting person

3,871,286

22. check
box if the aggregate amount in row (9) excludes certain shares (See Instructions)
o
23. percent of class represented by amount in row (9) 13.1%
24. type of reporting person (See Instructions) IN

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