Company: GLASF
Filing Date: 2025-03-25
Form Type: 40-F
Source: 0001848731-25-000007
Chunk: 0

Company: Glass House Brands Inc.
Filing Date: 2025-03-25
Form: 40-F
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### FORM 40-F
[Check one]

o REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

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

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

| For the fiscal year endedDecember 31, 2024 |     | Commission File Number000-56261 |

#### Glass House Brands Inc.
<div align='center'>(Exact name of Registrant as specified in its charter)</div>

#### N/A
<div align='center'>(Translation of Registrant’s name into English (if applicable))</div>

| British Columbia,Canada            |     |                         2833 |     | 87-4028335                            |
| (Province or other jurisdiction of 
 incorporation or organization)     |     | -Primary Standard Industrial 
               Classification 
  Code Number (if applicable) |     | -I.R.S. Employer                      
 Identification Number (if applicable) |

#### 3645 Long Beach Blvd.

#### Long Beach, California 90807

#### 212- 299-7670
<div align='center'>(Address and telephone number of Registrant’s principal executive offices)</div>

#### Kyle Kazan

#### 3645 Long Beach Blvd.

#### Long Beach, California 90807

#### 212- 299-7670
<div align='center'>(Name, address (including zip code) and telephone number (including area code) of agent for service in the United States)</div>

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

| Title of each class |     | Trading Symbol(s) |     | Name of each exchange on which registered |
| N/A                 |     | N/A               |     | N/A                                       |

Securities registered or to be registered pursuant to Section 12(g) of the Act: Subordinate, Restricted and Limited Voting Shares, without par value.

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

For annual reports, indicate by check mark the information filed with this Form:

| x |     | Annual information form |     | x |     | Audited annual financial statements |

Indicate the number of