Reporting Manager
Altai Capital Management, L.P.
Symbol
OSUR
Shares outstanding
73.1M shares
Disclosed Ownership
3.75M shares
Ownership
5.13%
Form type
SCHEDULE 13D
Filing time
09 Sep 2025, 08:00:15 UTC
Date of event
02 Sep 2025
Next filing
17 Dec 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Altai Capital Management, L.P. 5.13% 3.75M 0 3.75M /s/ Rishi Bajaj Rishi Bajaj, Authorized Signatory 0001478982
Altai Capital Management, LLC 5.13% 3.75M 0 3.75M /s/ Rishi Bajaj Rishi Bajaj, Authorized Signatory 0001619440
Rishi Bajaj 5.13% 3.75M 0 3.75M /s/ Rishi Bajaj Rishi Bajaj, Individually 0001619438