OPPENHEIMER HOLDINGS INC

For the period ended Dec 31, 2025. Filed Feb 26, 2026.

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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 Feb 26, 2026

OPY$92.69+2.2%Stored close · as of Nov 9, 2026

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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, in the City of New York, State of New York, on the 26 th day of February, 2026.

OPPENHEIMER HOLDINGS INC.

BY: /s/ Brad M. Watkins

Brad M. Watkins, Chief Financial Officer

(on behalf of the Registrant)

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

B.M. Watkins
Signature	Title	Date
/s/ B.M. Watkins	Chief Financial Officer (Principal Financial and Accounting Officer)	February 26, 2026
/s/ E. Behrens	Director	February 26, 2026
E. Behrens
/s/ T. Dwyer	Director	February 26, 2026
T. Dwyer
/s/ P. Friedman	Director	February 26, 2026
P. Friedman
/s/ L. Roth	Director	February 26, 2026
L. Roth
/s/ A.G. Lowenthal	Chairman, Director	February 26, 2026
A.G. Lowenthal
/s/ R.S. Lowenthal	Director, President, Chief Executive Officer (Principal Executive Officer)	February 26, 2026
R.S. Lowenthal
/s/ T. Glasser	Director	February 26, 2026
T. Glasser
/s/ S. Kanter	Director	February 26, 2026
S. Kanter
/s/ S. Spaulding	Director	February 26, 2026
S. Spaulding

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