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
Next filing
11 Feb 2026

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