13G Filing: Camber Capital Management and AMAG Pharmaceuticals Inc. (AMAG)

Page 3 of 6 – SEC Filing

13G
CUSIP No.
00163U106
Page 3 of
6
1. Names of
Reporting Persons.
Stephen
DuBois
Not
applicable
 
2. Check the
Appropriate Box if a Member of a Group
(a) ☐
(b) ☐

3. SEC Use Only
4. Citizenship or
Place of Organization
Stephen DuBois
– United States
   Number
of Shares
   Beneficially
   Owned by
   Each Reporting
   Person With:
5. Sole Voting
Power
0
shares
6. Shared Voting
Power
2,130,000
shares
7. Sole Dispositive
Power
0
shares
8. Shared
Dispositive Power
2,130,000
shares
9. Aggregate Amount
Beneficially Owned by Each Reporting Person
Stephen DuBois
2,130,000
shares
   10.
Check if the Aggregate Amount in Row (9) Excludes Certain
Shares       ☐
11. Percent of
Class Represented by Amount in Row (9)
Stephen
DuBois

6.08%
12. Type of
Reporting Person
Stephen DuBois
– IN
 

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