Reporting Manager
Mawer Investment Management Ltd.
Symbol
OSIS
Shares outstanding
16,824,813 shares
Disclosed Ownership
856,383 shares
Ownership
5.1%
Form type
SCHEDULE 13G
Filing time
12 Nov 2025, 11:37:45 UTC
Date of event
30 Sep 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Mawer Investment Management Ltd. 5.1% 856,383 856,383 0 /s/ John Wilson John Wilson, Portfolio Manager