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Stagwell Inc

For the period ended Dec 31, 2025. Filed Mar 13, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 13, 2026

STGW$11.50-1.2%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits
Contents

Signatures

Pursuant to the requirements of Section 13 or 15(d) 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.

STAGWELL INC.

/s/ Ryan J. Greene

Ryan J. Greene

Chief Financial Officer and Authorized Signatory

March 13, 2026

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Frank Lanuto and Ryan J. Greene, jointly and severally, his or her attorney-in-fact, with the power of substitution, for him or her in any and all capacities, to sign any amendments to this Annual Report on Form 10-K and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his or her substitute or substitutes, may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report on Form 10-K has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

STAGWELL INC.

/s/ Mark Penn

Mark Penn

Chairman of the Board and Chief Executive Officer (Principal Executive Officer)

March 13, 2026

/s/ Ryan J. Greene

Ryan J. Greene

Chief Financial Officer (Principal Financial Officer)

March 13, 2026

/s/ Frank Lanuto

Frank Lanuto

Executive Vice President, Finance (Principal Accounting Officer)

March 13, 2026

/s/ Charlene Barshefsky

Ambassador Charlene Barshefsky

Director

March 13, 2026

/s/ Bradley Gross

Bradley Gross

Director

March 13, 2026

/s/ Wade Oosterman

Wade Oosterman

Director

March 13, 2026

/s/ Desirée Rogers

Desirée Rogers

Director

March 13, 2026

/s/ Eli Samaha

Eli Samaha

Director

March 13, 2026

/s/ Irwin D. Simon

Irwin D. Simon

Lead Independent Director

March 13, 2026

/s/ Rodney Slater

Secretary Rodney Slater

Director

March 13, 2026

/s/ Brandt Vaughan

Brandt Vaughan

Director

March 13, 2026

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.