MarketAxess counsel sells 100 MarketAxess shares

MarketAxess Holdings Inc. General Counsel and Secretary Scott Pintoff reported selling 100 shares of the company’s common stock on January 12, 2026 at a price of $168.63 per share.

Rhea-AI Filing Summary

MarketAxess Holdings Inc. General Counsel and Secretary Scott Pintoff reported selling 100 shares of the company’s common stock on January 12, 2026 at a price of $168.63 per share.

Following this transaction, he directly beneficially owned 9,638 shares of MarketAxess common stock, as disclosed in the Form 4.

Insider Trade Summary

Net Seller: 100 shares

Net Sell 1 txn

Insider Pintoff Scott

Role General Counsel and Secretary

Sold 100 shs ($17K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.003 per share	100	$168.63	$17K

Holdings After Transaction: Common Stock, par value $0.003 per share — 9,638 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Who is the insider in this MarketAxess (MKTX) Form 4 filing?

The insider is Scott Pintoff, who serves as General Counsel and Secretary of MarketAxess Holdings Inc.

What transaction did Scott Pintoff report for MarketAxess (MKTX)?

Scott Pintoff reported the sale of 100 shares of MarketAxess common stock, par value $0.003 per share.

On what date did the reported MarketAxess (MKTX) insider transaction occur?

The reported transaction occurred on January 12, 2026.

At what price were the MarketAxess (MKTX) shares sold in this Form 4?

The 100 MarketAxess common shares were sold at a price of $168.63 per share.

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

After the sale, Scott Pintoff directly beneficially owned 9,638 shares of MarketAxess common stock.

Is Scott Pintoff’s ownership in MarketAxess (MKTX) direct or indirect after this transaction?

The Form 4 shows his ownership as direct (D) with 9,638 shares held following the transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/12/2026 - 04:15 PM EST Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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)
01/12/2026

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	01/12/2026		S		100	D	$168.63	9,638	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	01/12/2026
	** 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.