Steven Cohen Reveals Bullish Bet On Amag Pharmaceuticals (AMAG), Shares Jump 6%

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Page 4 of 11 – SEC Filing
CUSIP No. 00163U106
13G
Page 4 of 11 Pages
1
NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Cubist Systematic Strategies, LLC
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
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
4,992 (see Item 4)
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
4,992 (see Item 4)
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,992 (see Item 4)
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Less than 0.1 % (see Item 4)
12
TYPE OF REPORTING PERSON*
OO
*SEE INSTRUCTION BEFORE FILLING OUT

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