Filing Manager
LIAO YEN-KAI
Reporting Manager
LIAO YEN-KAI
Symbol
OST
Shares outstanding
107M shares
Disclosed Ownership
3.89M shares
Ownership
3.62%
Form type
SCHEDULE 13G/A
Filing time
25 Jun 2025, 16:00:05 UTC
Date of event
19 Jun 2025
Previous filing
29 May 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
LIAO YEN-KAI 3.62% 3.89M 3.89M 0 /s/ LIAO YEN-KAI LIAO YEN-KAI