Ptc Therapeutics Inc. (PTCT): Camber Capital Management Adds 500,000 Shares to Its Position

Page 3 of 6 – SEC Filing
13G
CUSIP No.
69366J200
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
2,000,000
shares
7. Sole Dispositive
Power
0
shares
8. Shared
Dispositive Power
2,000,000
shares
9. Aggregate Amount
Beneficially Owned by Each Reporting Person
Stephen DuBois
– 2,000,000 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

5.84%
12. Type of
Reporting Person
Stephen DuBois
– IN
 

Follow Ptc Therapeutics Inc. (NASDAQ:PTCT)