UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 20-F/A

(Amendment No. 1)

(Mark One)

¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR

x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended August 31, 2025

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 1934

Date of event requiring this shell company report _______________

For the transition period from _______________ to _______________

Commission file number 000-39730

VISION MARINE TECHNOLOGIES INC.

(Exact name of Registrant specified in its charter)

Not Applicable

(Translation of Registrant’s name into English)

Quebec, Canada

(Jurisdiction of incorporation or organization)

730 Boulevard du Curé-Boivin

Boisbriand, Quebec J7G 2A7, Canada

Telephone: 450-951-7009

(Address of principal executive offices)

Raffi Sossoyan; 450-951-7009; rs@v-mti.com

(Name, Telephone, Email and/or Facsimile number and Address of Company Contact Person)

Securities registered or to be registered pursuant to Section 12(b) of the Act.

Securities registered or to be registered pursuant to Section 12(g) of the Act. None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act. None

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of business of the period covered by the annual report. 4,907,137 Common Shares Without Par Value

Indicate by check mark if the registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act. Yes ¨ No x

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. Yes ¨ No x

Indicate by check mark whether Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No ¨

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company. See definition of “accelerated filer,” “large accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ¨

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ¨

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ¨

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing: ☐ U.S. GAAP x International Financial Reporting Standards as issued by the International Accounting Standards Board ¨ Other

If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected to follow: Item 17 ¨ Item 18 ¨

If this is an annual report, indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b 2 of the Exchange Act): Yes ¨ No x

M&K CPAS, PLLC

The Woodlands, TX

PCAOB ID #2738

EXPLANATORY NOTE

This Amendment No. 1 to the Annual Report on Form 20-F of Vision Marine Technologies Inc. for the year ended August 31, 2025 filed with the U.S. Securities and Exchange Commission on November 27, 2025 (the “Original 20-F”) is being filed solely for the purpose of filing Exhibit 97.1.

Except as specifically provided above, this Amendment No. 1 to the Annual Report on Form 20-F does not amend, update or restate any other items or sections of the Original 20-F and does not reflect events occurring after the filing of the Original 20-F on November 27, 2025. The filing of this Amendment No. 1 should not be understood to mean that any other statements contained in the Original 20-F are true and complete as of any date subsequent to the date of the Original 20-F.

This Form 20-F/A consists of a cover page, this explanatory note, Item 19, the signature page and the Exhibits (as updated).

ITEM 19. EXHIBITS

The following exhibits are filed as part of this Annual Report:

SIGNATURES

The registrant certifies that it meets all of the requirements for filing on Form 20-F and that it has duly caused and authorized the undersigned to sign this annual report on its behalf.

Vision Marine Technologies Inc.

Date: December 19, 2025