AG First Majestic Silver Corporation

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K/A

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF

THE SECURITIES EXCHANGE ACT OF 1934

For the month of August 2019

Commission File Number: 001-34984

First Majestic Silver Corp.

(Translation of registrant’s name into English)

925 West Georgia Street, Suite 1800

Vancouver, B.C. V6C 3L2

Canada

(Address of principal executive offices)

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  ☑

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1)  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7)  ☐

EXPLANATORY NOTE

This amendment to the Report on Form 6-K of First Majestic Silver Corp. previously filed on the date hereof, is being filed in order to incorporate certain documents filed as part of the initial Report on Form 6-K into the Registration Statement on Form F-10 of First Majestic Silver Corp. (File No. 333-227855). Except as set forth herein, there are no other changes to the original Report on Form 6-K.

DOCUMENTS INCORPORATED BY REFERENCE

Exhibits 99.1 and 99.2 to this Report on Form 6-K are hereby incorporated by reference as Exhibits to the Registration Statement on Form F-10 of First Majestic Silver Corp. (File No. 333-227855).