UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023. Commission File Number: 001-41566 KWESST Micro Systems Inc. (Exact Name of Registrant as Specified in Charter) 155 Terence Matthews Crescent, Unit #1, Ottawa, Ontario, K2M 2A8 (Address of principal executive offices) Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of ...