UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1 ...

Nanjing, China, Jan. 24, 2024 (GLOBE NEWSWIRE) -- Ostin Technology Group Co., Ltd. (the "Company") (NASDAQ:OST), a supplier of display modules and polarizers in China, today announced that the Company had received a written notification from the staff of the Listing Qualifications Department of the Nasdaq Stock Market LLC ("Nasdaq") dated January 19, 2024, indicating that for the last 30 consecutive business days, the closing bid price for the Company's ordinary shares was below the minimum bid price of US$ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Title of Each Class Trading symbol Name of Each Exchange On Which Registered Ordinary shares, par value $0.0001 per share OST The Nasdaq Stock Market LLC FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 1 ...