Filing Manager
FAN HONG-YUAN
Reporting Manager
FAN HONG-YUAN
Symbol
OST
Shares outstanding
107M shares
Disclosed Ownership
7.04M shares
Ownership
6.55%
Form type
SCHEDULE 13G
Filing time
29 May 2025, 16:00:29 UTC
Date of event
08 May 2025
Next filing
15 Jul 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FAN HONG-YUAN 6.55% 7.04M 7.04M 0 /s/ FAN HONG-YUAN FAN HONG-YUAN