Hsiao Tzu-Kai - 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
Hsiao Tzu-Kai
Reporting Manager
HSIAO TZU-KAI
Security
Ostin Technology Group Co., Ltd. Class A Ordinary Shares, $0.001 par value per share
Symbol
OST
Shares outstanding
107,282,948 shares
Disclosed Ownership
2,875,183 shares
Ownership
2.7%
Form type
SCHEDULE 13G/A
Filing time
13 Jun 2025, 16:00:16 UTC
Date of event
09 Jun 2025
Previous filing
29 May 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Hsiao Tzu-Kai disclosed 2.7% ownership in Ostin Technology Group Co., Ltd. Class A Ordinary Shares, $0.001 par value per share (OST) on 09 Jun 2025."

Quick Takeaways

  • Hsiao Tzu-Kai filed SCHEDULE 13G/A for Ostin Technology Group Co., Ltd. Class A Ordinary Shares, $0.001 par value per share (OST).
  • Disclosed ownership: 2.7%.
  • Date of event: 09 Jun 2025.

What Changed

  • Previous schedule filing date: 29 May 2025.
  • Current filing was accepted on 13 Jun 2025, 16:00.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
HSIAO TZU-KAI 2.7% 2,875,183 2,875,183 0 /s/ HSIAO TZU-KAI HSIAO TZU-KAI

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