6-K

Colliers International Group Inc. (CIGI)

6-K 2026-03-31 For: 2026-03-31
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Added on April 07, 2026

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 March 2026 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 ]

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.

COLLIERS INTERNATIONAL GROUP INC.
Date: March 31, 2026 /s/ Christian Mayer
Name: Christian Mayer
Title: Chief Financial Officer

EXHIBIT INDEX

Exhibit Description of Exhibit
99.1 Press release dated March 31, 2026.

EdgarFiling EXHIBIT 99.1

Colliers Announces Voting Results

TORONTO, March 31, 2026 (GLOBE NEWSWIRE) -- Colliers International Group Inc. (TSX: CIGI; NASDAQ: CIGI) (“Colliers” or the “Company”) today announced that at its annual and special meeting of shareholders held virtually on March 31, 2026, the ten director nominees listed in Colliers’ management information circular dated February 20, 2026 (the “Circular”) were elected as directors of Colliers. Directors have been elected to serve until the close of the next annual meeting of shareholders. The detailed results of the vote are set out below.

Nominee Votes For % Votes For Votes Withheld % Votes Withheld
John (Jack) P. Curtin, Jr. 70,334,137 98.26% 1,248,528 1.74%
P. Jane Gavan 57,424,383 80.22% 14,158,837 19.78%
Stephen J. Harper 67,806,549 94.72% 3,776,672 5.28%
Jay S. Hennick 70,364,750 98.30% 1,218,471 1.70%
Katherine M. Lee 48,752,408 68.11% 22,830,812 31.89%
Poonam Puri 70,652,265 98.70% 930,956 1.30%
Benjamin F. Stein 58,199,975 81.30% 13,383,245 18.70%
John M. Sullivan 70,636,099 98.68% 947,123 1.32%
L. Frederick Sutherland 70,389,017 98.33% 1,194,204 1.67%
Edward Waitzer 70,609,867 98.64% 973,354 1.36%

In addition, shareholders approved: (a) the appointment of PricewaterhouseCoopers LLP as the auditor of Colliers for the ensuing year; (b) a non-binding advisory resolution approving Colliers’ approach to executive compensation; and (c) an amendment to Colliers’ stock option plan to increase the total number of Subordinate Voting Shares reserved for issuance thereunder by 1,500,000, in each case as disclosed in the Circular.

About Colliers

Colliers (NASDAQ, TSX: CIGI) is a global diversified professional services and investment management company operating through three industry-leading businesses: Commercial Real Estate, Engineering, and Investment Management. With greater than a 30-year track record of consistent growth and strong recurring cash flows, we scale complementary, high-value businesses that provide essential services across the full asset lifecycle. Our unique partnership philosophy empowers exceptional leaders, preserves our entrepreneurial culture, and ensures meaningful inside ownership – driving strong alignment and sustained value creation for our shareholders. With $5.6 billion in annual revenues, 24,000 professionals, and $108 billion in assets under management, Colliers is committed to accelerating the success of our clients, investors, and people worldwide. Learn more at corporate.colliers.com.

COMPANY CONTACT:

Christian Mayer Chief Financial Officer and Chief Executive Officer, Commercial Real Estate (416) 960-9500