Colliers International Group (CIGI) reports Q3 2025 results filing

Rhea-AI Filing Summary

Colliers International Group Inc. submitted a Form 6-K as a foreign private issuer for November 2025. The filing furnishes a press release as Exhibit 99.1 announcing the company’s financial results for the third quarter ended September 30, 2025, along with a supplemental slide presentation as Exhibit 99.2. The press release in Exhibit 99.1 is also incorporated by reference into Colliers’ registration statement on Form F-10. The report is signed on behalf of the company by Chief Financial Officer Christian Mayer on November 4, 2025.

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 November 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: November 4, 2025		/s/ Christian Mayer
		Name: Christian Mayer
		Title: Chief Financial Officer

EXHIBIT INDEX

Exhibit		Description of Exhibit
99.1		Press release dated November 4, 2025 announcing financial results for the third quarter ended September 30, 2025.
99.2		Supplemental slide presentation dated November 4, 2025.

FAQ

What did Colliers International Group Inc. (CIGI) file in this Form 6-K?

Colliers International Group Inc. filed a Form 6-K as a foreign private issuer, furnishing materials related to its financial results for the third quarter ended September 30, 2025.

What is included in Exhibit 99.1 of Colliers (CIGI) Form 6-K?

Exhibit 99.1 is a press release dated November 4, 2025 announcing Colliers International Group Inc.’s financial results for the third quarter ended September 30, 2025.

What is included in Exhibit 99.2 of Colliers (CIGI) Form 6-K?

Exhibit 99.2 is a supplemental slide presentation dated November 4, 2025 that accompanies the company’s announcement of financial results for the third quarter ended September 30, 2025.

How is this Form 6-K related to Colliers International Group Inc.’s Form F-10?

The filing states that Exhibit 99.1 to this Form 6-K is incorporated by reference as an exhibit to Colliers International Group Inc.’s registration statement on Form F-10 (File No. 333-277184).

Who signed the Colliers International Group Inc. Form 6-K and in what capacity?

The Form 6-K was signed on behalf of Colliers International Group Inc. by Christian Mayer, who is identified as the company’s Chief Financial Officer.

For which period does Colliers International Group Inc. report results in the exhibits to this Form 6-K?

The press release and supplemental slide presentation furnished as exhibits relate to Colliers International Group Inc.’s financial results for the third quarter ended September 30, 2025.