Company: GLASF
Filing Date: 2025-05-13
Form Type: 6-K
Source: 0001848731-25-000015
Chunk: 0

Company: Glass House Brands Inc.
Filing Date: 2025-05-13
Form: 6-K
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### Form 6-K
<div align='center'>REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16</div>

#### UNDER THE SECURITIES EXCHANGE ACT OF 1934
For the month of May, 2025.

Commission File Number 000-56261

#### Glass House Brands Inc.
<div align='center'>(Translation of registrant’s name into English)

3645 Long Beach Blvd.

Long Beach, California 90807

(Address of principal executive office)</div>

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

<div align='center'>Form 20-F o Form 40-F x</div>

### SIGNATURES
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.

| Date: May 13, 2025 |     | Glass House Brands Inc.        
 /s/ Kyle Kazan                 |
|:-------------------|:----|:-------------------------------|
|                    |     | By: Kyle Kazan                 |
|                    |     | Title: Chief Executive Officer |

<div align='center'>2</div>

### EXHIBIT INDEX
<div align='center'>3</div>