MarketAxess (MKTX) legal chief sells 100 shares at $171.91

Rhea-AI Filing Summary

MarketAxess Holdings General Counsel and Secretary Scott Pintoff reported a small stock sale in a Form 4 filing. On February 10, 2026, he sold 100 shares of common stock at $171.91 per share in an open-market transaction.

After this sale, Pintoff directly holds 9,538 MarketAxess shares, indicating he retains a sizeable ongoing equity stake in the company despite the modest disposition.

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).

X

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^*

Pintoff Scott

(Last) (First) (Middle)

C/O MARKETAXESS HOLDINGS INC.

55 HUDSON YARDS, 15TH FLOOR

(Street)

NEW YORK NY 10001

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MARKETAXESS HOLDINGS INC [ MKTX ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

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
Common Stock, par value $0.003 per share	02/10/2026		S		100	D	$171.91	9,538	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:

	/s/ Patrick Wilson as Attorney-in-Fact for Scott Pintoff	02/10/2026
	** 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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did MarketAxess (MKTX) report in this Form 4?

MarketAxess reported that General Counsel and Secretary Scott Pintoff sold 100 shares of common stock. The sale occurred on February 10, 2026, and involved non-derivative common stock held directly by him, as disclosed in the Form 4 filing.

At what price did Scott Pintoff sell his MarketAxess (MKTX) shares?

Scott Pintoff sold 100 shares of MarketAxess common stock at a price of $171.91 per share. This price reflects the transaction value reported for the February 10, 2026 sale in the Form 4 insider trading disclosure.

How many MarketAxess (MKTX) shares does Scott Pintoff own after the sale?

Following the reported transaction, Scott Pintoff beneficially owns 9,538 shares of MarketAxess common stock. The Form 4 notes this amount as directly held after the February 10, 2026 disposition of 100 shares in the open market.

What is Scott Pintoff’s role at MarketAxess (MKTX) in this filing?

In this filing, Scott Pintoff is identified as an officer of MarketAxess, serving as General Counsel and Secretary. He is not listed as a director or 10% owner, and the Form 4 is filed for him as a single reporting person.

Was the MarketAxess (MKTX) insider transaction direct or indirect ownership?

The transaction involved directly held shares of MarketAxess common stock. The Form 4 specifies the ownership form as “D” for direct, and there is no indicated nature of indirect beneficial ownership associated with this particular 100-share sale.