MarketAxess (MKTX) general counsel sells 100 shares in open-market trade

Rhea-AI Filing Summary

MarketAxess Holdings Inc. General Counsel and Secretary Scott Pintoff reported an open-market sale of 100 shares of common stock at $184.93 per share. After this transaction, he directly holds 12,086 shares, indicating he retains a substantial ongoing equity stake in the company.

Insider Trade Summary 10b5-1

Net Seller: 100 shares ($18,493)

Net Sell 1 txn

Insider Pintoff Scott

Role General Counsel and Secretary

Sold 100 shs ($18K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.003 per share	100	$184.93	$18K

Holdings After Transaction: Common Stock, par value $0.003 per share — 12,086 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/10/2026 - 04:15 PM Learn about SEC filing dates

FAQ

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

MarketAxess reported that General Counsel and Secretary Scott Pintoff sold 100 shares of common stock in an open-market transaction at $184.93 per share. This filing reflects a routine insider sale rather than a large change in ownership.

How many MarketAxess (MKTX) shares does Scott Pintoff hold after this sale?

Following the reported transaction, Scott Pintoff directly holds 12,086 shares of MarketAxess common stock. This indicates he maintains a meaningful ownership position in the company despite selling 100 shares in the open market.

What was the price of the MarketAxess (MKTX) shares sold by Scott Pintoff?

The 100 MarketAxess shares sold by Scott Pintoff were transacted at $184.93 per share. This price reflects the execution level for the open-market sale disclosed in the Form 4 insider trading report.

What does the Form 4 filing reveal about MarketAxess (MKTX) insider activity?

The Form 4 filing shows a single insider sale by General Counsel Scott Pintoff of 100 shares at $184.93 each. It also confirms his remaining direct ownership of 12,086 shares after the transaction, providing context on his ongoing stake.

Was the MarketAxess (MKTX) insider transaction a buy or a sell?

The insider transaction was a sell. Scott Pintoff, General Counsel and Secretary of MarketAxess, executed an open-market sale of 100 common shares at $184.93 per share, as reported in the Form 4 filing’s transaction details.

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)
03/10/2026

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	03/10/2026		S		100	D	$184.93	12,086	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	03/10/2026
	** 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.