Filing Manager
LO SHENG-LUN
Reporting Manager
LO SHENG-LUN
Symbol
OST
Shares outstanding
107M shares
Disclosed Ownership
7.04M shares
Ownership
6.55%
Form type
SCHEDULE 13G
Filing time
29 May 2025, 16:00:30 UTC
Date of event
08 May 2025
Next filing
25 Jun 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
LO SHENG-LUN 6.55% 7.04M 7.04M 0 /s/ LO SHENG-LUN LO SHENG-LUN