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: August, 2026

Commission file number:  001-39166

Metalla Royalty & Streaming Ltd.
(Translation of registrant's name into English)

605 – 200 Burrard Street, Vancouver, BC, V6C 3L6
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover:

[   ] Form 20-F [ x ] Form 40-F

EXHIBIT INDEX

EXHIBITS 99.1, 99.4 AND 99.5 INCLUDED WITH THIS REPORT ARE HEREBY INCORPORATED BY REFERENCE AS EXHIBITS TO THE REGISTRANT'S REGISTRATION STATEMENTS ON FORM F-10 (FILE NO. 333-297632), AS AMENDED AND SUPPLEMENTED, AND ON FORM S-8 (FILE NOS. 333-234659, 333-249938, 333-265835, 333-276265 AND 333-293092) AND TO BE A PART THEREOF FROM THE DATE ON WHICH THIS REPORT IS SUBMITTED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED

SIGNATURE

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.

ATTACHMENTS / EXHIBITS

EXHIBIT 99.1

EXHIBIT 99.2

EXHIBIT 99.3

EXHIBIT 99.4

EXHIBIT 99.5

EXHIBIT 99.6