Filing Manager
FAN HONG-YUAN
Reporting Manager
FAN HONG-YUAN
Symbol
OST
Disclosed Ownership
0 shares
Ownership
0%
Form type
SCHEDULE 13G/A
Filing time
15 Jul 2025, 16:00:28 UTC
Date of event
09 Jul 2025
Previous filing
29 May 2025

Reporting Managers (1)

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