Reporting Manager
Altai Capital Management, L.P.
Symbol
OSUR
Shares outstanding
71.8M shares
Disclosed Ownership
3.74M shares
Ownership
5.21%
Form type
SCHEDULE 13D/A
Filing time
17 Dec 2025, 08:06:05 UTC
Date of event
17 Dec 2025
Previous filing
09 Sep 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Altai Capital Management, L.P. 5.21% 3.74M 0 3.74M /s/ Rishi Bajaj Rishi Bajaj, Authorized Signatory 0001478982
Altai Capital Management, LLC 5.21% 3.74M 0 3.74M /s/ Rishi Bajaj Rishi Bajaj, Authorized Signatory 0001619440
Rishi Bajaj 5.21% 3.74M 0 3.74M /s/ Rishi Bajaj Rishi Bajaj, Individually 0001619438