Reporting Manager
Camber Capital Management LP
Symbol
OSUR
Shares outstanding
75M shares
Disclosed Ownership
900K shares
Ownership
1.2%
Form type
SCHEDULE 13G/A
Date filed
5/15/2025, 04:16 PM
Date of event
Mar 31, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Camber Capital Management LP 1.2% 900K 0 900K /s/ Sean George Chief Financial Officer
Stephen DuBois 1.2% 900K 0 900K /s/ Stephen DuBois Individual