HON DEVID - 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: HON DEVID
Reporting Manager: HON DEVID
Security: Ostin Technology Group Co., Ltd. Class A Ordinary Shares, $0.001 par value per share
Symbol: OST
Shares outstanding: 107M shares
Disclosed Ownership: 4.59M shares
Ownership: 4.27%
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
HON DEVID	4.27%	4.59M	4.59M	0	/s/ HON DEVID	HON DEVID