Ostin(OST) - 2022 Q4 - Annual Report

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 ...