[6-K] Colliers International Group Inc. Subordinate Voting Shares Current Report (Foreign Issuer)

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 July 2025
Commission File Number: 001-36898

COLLIERS INTERNATIONAL GROUP INC.
(Translation of registrant's name into English)

1140 Bay Street, Suite 4000
Toronto, Ontario, Canada
M5S 2B4
(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 [   ]      Form 40-F [ X ]

Exhibit 99.1 of this Form 6-K shall be incorporated by reference as an exhibit to the registrant’s registration statement on Form F-10 (File No. 333-277184). 

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, hereunto duly authorized.

		COLLIERS INTERNATIONAL GROUP INC.
Date: July 31, 2025		/s/ Christian Mayer
		Name: Christian Mayer
		Title: Chief Financial Officer

EXHIBIT INDEX 

Exhibit		Description of Exhibit
99.1		Press release dated July 31, 2025 announcing financial results for the second quarter ended June 30, 2025.
99.2		Supplemental slide presentation dated July 31, 2025.