Nanostring Technologies (NSTG): Foresite Capital Growing More Bullish

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Page 6 of 11 – SEC Filing
CUSIP # 63009R109 Page 6 of 11

1.

NAME OF REPORTING PERSONS          James Tananbaum (“Tananbaum”)

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)      o     (b)     x

3.

SEC USE ONLY

4.

CITIZENSHIP OR PLACE OF ORGANIZATION

United States

NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH

5.

SOLE VOTING POWER

1,162,357 shares, of which 727,857 shares are directly owned by Foresite Capital Fund II, L.P. (“FCF
II”), and 434,500 shares are directly owned by Foresite Capital Fund III, L.P. (“FCF III”). Tananbaum is the
managing member of each of Foresite Capital Management II, LLC (“FCM II”), which is the general partner of FCF II,
and Foresite Capital Management III, LLC (“FCM III”), which is the general partner of FCF III. Tananbaum may be deemed
to have sole power to vote these shares.

6.

SHARED VOTING POWER

See response to row 5.

7.

SOLE DISPOSITIVE POWER

1,162,357 shares, of which 727,857 shares are directly owned by FCF II, and 434,500 shares are directly
owned by FCF III. Tananbaum is the managing member of each FCM II, which is the general partner of FCF II, and FCM III, which is
the general partner of FCF III. Tananbaum may be deemed to have sole power to dispose of these shares.

8.

SHARED DISPOSITIVE POWER

 See response to row 7.

       

9.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,162,357

10.

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES

o

11.

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW
(9)

5.9%

12.

TYPE OF REPORTING PERSON

IN

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