Oppenheimer (OPY) secretary Dennis McNamara sells 4,673 Class A shares

Rhea-AI Filing Summary

Oppenheimer Holdings Inc. Secretary Dennis P. McNamara sold shares of the company’s Class A non-voting common stock. On March 2, 2026, he completed an open-market sale of 4,673 shares at an average price of $90.67 per share, leaving him with 20,177 shares held directly after the transaction.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McNAMARA DENNIS P

(Last) (First) (Middle)

C/O OPPENHEIMER & CO. INC.

85 BROAD STREET

(Street)

NEW YORK NY 10004

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OPPENHEIMER HOLDINGS INC [ OPY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Secretary

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A non-voting common stock	03/02/2026		S		4,673	D	$90.67(1)	20,177	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Sold 4,673 shares at an average price of $90.67 per share

Remarks:

	/s/ Jenny Chan, as Attorney-in-fact for Dennis P. McNamara	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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FAQ

What insider transaction did Oppenheimer Holdings (OPY) report for Dennis P. McNamara?

Oppenheimer Holdings reported that Secretary Dennis P. McNamara executed an open-market sale of 4,673 shares of Class A non-voting common stock. The transaction was recorded on March 2, 2026, and is classified as a non-derivative sale in the Form 4 filing.

How many Oppenheimer Holdings (OPY) shares did Dennis P. McNamara sell and at what price?

Dennis P. McNamara sold 4,673 shares of Oppenheimer Holdings Class A non-voting common stock at an average price of $90.67 per share. This sale was reported as an open-market transaction under code “S” in the Form 4 insider filing.

How many Oppenheimer Holdings (OPY) shares does Dennis P. McNamara hold after the reported sale?

Following the reported sale, Dennis P. McNamara holds 20,177 shares of Oppenheimer Holdings Class A non-voting common stock. These shares are listed as being held directly, meaning they are attributed to him personally rather than through an intermediary entity.

What does transaction code "S" mean in the Oppenheimer Holdings (OPY) Form 4 filing?

In this Oppenheimer Holdings Form 4, transaction code “S” indicates a sale of securities in an open market or private transaction. For Dennis P. McNamara, it denotes that his 4,673-share transaction was a sale rather than a purchase or other type of acquisition.

What type of Oppenheimer Holdings (OPY) security did Dennis P. McNamara sell?

Dennis P. McNamara sold shares of Oppenheimer Holdings’ Class A non-voting common stock. The filing identifies the transaction as involving non-derivative securities, meaning it relates to actual shares rather than options, warrants, or other derivative instruments.

Was the Dennis P. McNamara Oppenheimer Holdings (OPY) transaction a buy or a sell?

The transaction was a sell. The Form 4 specifies transaction direction as “sell” and classifies it as an open-market sale, with 4,673 shares of Class A non-voting common stock sold at an average price of $90.67 per share.