FONG SHIH-SONG - 09 Jun 2025 SCHEDULE 13G/A Report for Ostin Technology Group Co., Ltd. Class A Ordinary Shares, $0.001 par value per share (OST)

Filing Manager: FONG SHIH-SONG
Reporting Manager: FONG SHIH-SONG
Security: Ostin Technology Group Co., Ltd. Class A Ordinary Shares, $0.001 par value per share
Symbol: OST
Shares outstanding: 107M shares
Disclosed Ownership: 4.83M shares
Ownership: 4.5%
Form type: SCHEDULE 13G/A
Filing time: 13 Jun 2025, 16:00:15 UTC
Date of event: 09 Jun 2025
Previous filing: 29 May 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
FONG SHIH-SONG	4.5%	4.83M	4.83M	0	/s/ FONG SHIH-SONG	FONG SHIH-SONG