13G Filing: Biotechnology Value Fund LP and Spero Therapeutics Inc (SPRO)

Page 3 of 13

Page 3 of 13 – SEC Filing

1 NAME OF REPORTING PERSON
Biotechnology Value Fund II, 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
Delaware
NUMBER OF 5 SOLE VOTING POWER
SHARES
BENEFICIALLY 0 shares
OWNED BY 6 SHARED VOTING POWER
EACH
REPORTING 326,647
PERSON WITH 7 SOLE DISPOSITIVE POWER
0 shares
8 SHARED DISPOSITIVE POWER
326,647
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
326,647
10 CHECK BOX IF THE
AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
    ☐
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.4%
12 TYPE OF REPORTING PERSON
PN
3

Follow Spero Therapeutics Inc. (NASDAQ:SPRO)

Page 3 of 13