Glass House Brands CFO Mark Vendetti plans retirement

The company has begun searching for a successor while Mark Vendetti continues as CFO through March 31, 2027.

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Form Type

6-K

Rhea-AI Filing Summary

Glass House Brands Inc. (GLAS) announced the planned retirement of Chief Financial Officer Mark Vendetti. He will continue as CFO through March 31, 2027, and the company has initiated a search for his successor. Vendetti joined the company as CFO in 2021.

Key Figures

CFO service through: March 31, 2027 CFO start year: 2021

2 metrics

CFO service through March 31, 2027 Mark Vendetti will continue as CFO through this date.

CFO start year 2021 Mark Vendetti joined the company as CFO.

Key Terms

Foreign private issuer, incorporated by reference, Material Change Report

3 terms

Foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

incorporated by reference regulatory

"Exhibit 99.1 of this Report on Form 6-K is incorporated by reference"

Material Change Report regulatory

"FORM 51-102F3 MATERIAL CHANGE REPORT"

A material change report is a public notice that a company must file and share whenever new information or an event is significant enough to likely influence an investor’s decision. Think of it like an urgent update board that tells shareholders about big shifts—such as major deals, leadership changes, sudden losses, or legal issues—so investors can reassess risk and value with the same facts everyone else has.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Until when will GLAS CFO Mark Vendetti serve as CFO?

Mark Vendetti will continue to serve as Glass House Brands’ CFO through March 31, 2027.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 6-K: How Foreign Companies Report to the SEC →

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Available on EDGAR 10/09/2026 - 04:38 PM EDT Accepted by SEC EDGAR 10/09/2026 - 04:37 PM EDT

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 October, 2026.

Commission File Number 001-43373

Glass House Brands Inc.

(Translation of registrant’s name into English)

3645 Long Beach Blvd.

Long Beach, California 90807

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

¨ Form 20-F x Form 40-F

INCORPORATION BY REFERENCE

Exhibit 99.1 of this Report on Form 6-K is incorporated by reference into the Registration Statements on Form F-10 (File No. 333-297455) and Form S-8 (File No. 333-288297) of the Registrant, each as amended or supplemented.

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, thereunto duly authorized.

	Glass House Brands Inc.

Date: October 9, 2026	/s/ Kyle Kazan
	By: Kyle Kazan
	Title: Chief Executive Officer

EXHIBIT INDEX

Exhibit Number		Description
99.1		Material Change Report, dated October 9, 2026

Exhibit 99.1

FORM 51-102F3

MATERIAL CHANGE REPORT

Item 1.

Name and Address of Company

Glass House Brands Inc. (the "Company")

3645 Long Beach Boulevard

Long Beach, California 90807

Item 2.

Date of Material Change

September 29, 2026

Item 3.

News Release

The news release disclosing the material change was disseminated by the Company on September 29, 2026 through GlobeNewswire and is available on SEDAR+ (www.sedarplus.ca) under the Company's issuer profile.

Item 4.

Summary of Material Change

On September 29, 2026, the Company announced the planned retirement of Mark Vendetti as the Company's Chief Financial Officer ("CFO"). Mr. Vendetti will continue to serve as CFO through March 31, 2027, and the Company has initiated a search for his successor.

Item 5.

Full Description of Material Change

On September 29, 2026, the Company announced the planned retirement of Mark Vendetti as CFO. Mr. Vendetti, who joined the Company as CFO in 2021, will continue to serve as CFO through March 31, 2027. The Company has initiated a search for Mr. Vendetti's successor.

Item 6.

Reliance on subsection 7.1(2) of National Instrument 51-102

Not applicable.

Item 7.

Omitted Information

Not applicable.

Item 8.

Executive Officer

Benjamin Vega

General Counsel and Corporate Secretary

Tel: (562) 264-5078

Item 9.

Date of Report

October 9, 2026.

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

1 document

Press Releases

EX-99.1 EXHIBIT 99.1 7.1 KB