Reporting Manager
Mawer Investment Management Ltd.
Symbol
OSIS
Shares outstanding
16,989,471 shares
Disclosed Ownership
803,602 shares
Ownership
4.7%
Form type
SCHEDULE 13G/A
Filing time
11 Feb 2026, 15:13:33 UTC
Date of event
31 Dec 2025
Previous filing
12 Nov 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Mawer Investment Management Ltd. 4.7% 803,602 803,602 0 /s/ John Wilson, Portfolio Manager Mawer Investment Management Ltd.