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 June, 2026

Commission File Number: 001-35783

Alamos Gold Inc.

(Translation of registrant’s name into English)

Brookfield Place, 181 Bay Street, Suite 3910

Toronto, Ontario, Canada

M5J 2T3

(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  o           Form 40-F  x

EXHIBIT INDEX

EXHIBIT

NO.

DESCRIPTION

99.1

Press release: Alamos Gold Provides Notice of Second Quarter 2026 Results and Conference Call, dated June 30, 2026

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.

Alamos Gold Inc.

Date: June 30, 2026

By:

/s/ Scott K. Parsons

Name:

Scott K. Parsons

Title:

Senior Vice President, Corporate Development & Investor Relations

logo2a23.gif

Alamos Gold Inc.

Brookfield Place, 181 Bay Street, Suite 3910, P.O. Box #823

Toronto, Ontario M5J 2T3

Telephone: (416) 368-9932 or 1 (866) 788-8801

Alamos Gold Provides Notice of Second Quarter 2026 Results

and Conference Call

Toronto, Ontario (June 30, 2026) – Alamos Gold Inc. (TSX:AGI; NYSE:AGI) (“Alamos” or the “Company”) plans to release its second quarter 2026 financial results after market close on Wednesday, July 29, 2026. Senior management will host a conference call on Thursday, July 30, 2026 at 10:00 am ET to discuss the results.

Participants may join the conference call via webcast or through the following dial-in numbers:

Via Webcast:

To view the live webcast, please register at www.alamosgold.com, or through the following link view webcast.

Via Phone:

Toronto and International:(647) 495-7514Toll free (Canada and the United States): (888) 596-4144Participant passcode:1813237#

Alternatively, you may register your phone number here within 30 minutes of the scheduled start of the call to receive an instant automated call back.

A playback will be available until August 29, 2026 by dialling (647) 362-9199 or (800) 770-2030 within Canada and the United States. The passcode is 1813237#. The webcast will be archived at www.alamosgold.com.

About Alamos

Alamos is a Canadian-based intermediate gold producer with diversified production from three operations in North America. This includes the Island Gold District and Young-Davidson mine in northern Ontario, Canada, and the Mulatos District in Sonora State, Mexico. Additionally, the Company has a strong portfolio of growth projects including the IGD Expansion, and the Lynn Lake project in Manitoba, Canada. Alamos employs more than 2,400 people and is committed to the highest standards of sustainable development. The Company’s shares are traded on the TSX and NYSE under the symbol “AGI”.

TRADING SYMBOL: TSX:AGI NYSE:AGI         

FOR FURTHER INFORMATION, PLEASE CONTACT:

Scott K. ParsonsSenior Vice President, Corporate Development & Investor Relations(416) 368-9932 x 5439Khalid ElhajVice President, Business Development & Investor Relations(416) 368-9932 x 5427ir@alamosgold.com

The TSX and NYSE have not reviewed and do not accept responsibility for the adequacy or accuracy of this release.