Company: GFS
Filing Date: 2025-06-18
Form Type: 6-K
Source: 0001628280-25-032163
Chunk: 0

Company: GLOBALFOUNDRIES Inc.
Filing Date: 2025-06-18
Form: 6-K
Chunk 0
---
### UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

<div align='center'>Washington, D.C. 20549</div>

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

#### 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934
<div align='center'>For the month of June 2025

Commission File Number 001-40974</div>

#### GLOBALFOUNDRIES Inc.

#### 400 Stonebreak Road Extension

#### Malta, NY 12020
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 ☒ Form 40-F ☐

Attached hereto is the following exhibit.

| Exhibit 99.1 |     | Notice of 2025 Annual General Meeting of Shareholders, Proxy Statement and Form of Proxy Card |
| Exhibit 99.2 |     | Notice of Internet Availability                                                               |

### 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:  June 18, 2025 |     | GLOBALFOUNDRIES Inc. 
 By:                  |     | /s/ John Hollister      |
|:---------------------|:----|:---------------------|:----|:------------------------|
|                      |     | Name:                |     | John Hollister          |
|                      |     | Title:               |     | Chief Financial Officer |