UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________________

FORM 8-K

CURRENT REPORT

Pursuant To Section 13 OR 15(d) of The Securities Exchange Act Of 1934

Date of Report (Date of earliest event reported): October 16, 2026

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GROWN ROGUE INTERNATIONAL INC.

(Exact name of registrant as specified in its charter)

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Ontario 000-53646 98-1463866
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
550 Airport Road
Medford, Oregon
97504
(Address of principal executive offices) (Zip Code)
(458) 226-2100
Registrant’s telephone number including area code
Not Applicable
(Former name or former address, if changes since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(g) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered
Class A Subordinate Voting Shares, no par value GRUSF OTCQB
GRIN CSE
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☒
If an emerging growth company, 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 provided pursuant to Section 13(a) of the Exchange Act ☐

Item 7.01. Regulation FD Disclosure.

On October 20, 2026, Grown Rogue International Inc. (the “Company”) issued a press release announcing that it has completed the exercise of its second option to acquire an additional 26% ownership interest in its New Jersey subsidiary, ABCO Garden State, LLC (“ABCO”), increasing its ownership interest to 70%. The press release also announced that the Company has taken majority control of ABCO’s board of directors and provided an update on the planned Phase II canopy expansion in New Jersey. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits:

Exhibit No. Description
99.1 Press Release dated October 20, 2026 - Grown Rogue Increases Ownership Stake to 70% in New Jersey Subsidiary, ABCO Garden State
104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

GROWN ROGUE INTERNATIONAL INC.
Date: October 20, 2026 /s/ Obie Strickler
Obie Strickler
President & Chief Executive Officer