MarketAxess (MKTX) General Counsel reports open-market sale of 100 shares

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 $115.12 per share. Following this transaction, he directly holds 11,686 shares of MarketAxess common stock.

Insider Trade Summary 10b5-1

Net Seller: 100 shares ($11,512)

Net Sell 1 txn

Insider Pintoff Scott

Role General Counsel and Secretary

Sold 100 shs ($12K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.003 per share	100	$115.12	$12K

Holdings After Transaction: Common Stock, par value $0.003 per share — 11,686 shares (Direct)

Footnotes (1)

Key Figures

Shares sold: 100 shares Sale price per share: $115.12 Shares owned after transaction: 11,686 shares

3 metrics

Shares sold 100 shares Open-market sale of common stock by General Counsel and Secretary Scott Pintoff

Sale price per share $115.12 Price per share for the 100-share open-market sale of common stock

Shares owned after transaction 11,686 shares Direct holdings of MarketAxess common stock by Scott Pintoff after the sale

Key Terms

open-market sale, Common Stock, par value $0.003 per share, direct ownership

3 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock, par value $0.003 per share financial

"security_title: "Common Stock, par value $0.003 per share""

direct ownership financial

"ownership_type: "direct" and ownership_code: "D""

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/10/2026 - 04:15 PM Accepted by SEC EDGAR 07/10/2026 - 04:15 PM Learn about SEC filing dates

FAQ

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

Scott Pintoff reported an open-market sale of 100 shares of MarketAxess common stock at $115.12 per share. After the sale, he directly holds 11,686 shares.

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

Scott Pintoff sold 100 MarketAxess shares at a price of $115.12 per share. The transaction was reported as an open-market sale of common stock.

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

After the reported transaction, Scott Pintoff directly holds 11,686 shares of MarketAxess common stock. This figure reflects his position immediately following the 100-share sale.

What type of transaction did Scott Pintoff disclose for MarketAxess (MKTX)?

Scott Pintoff disclosed an open-market sale of MarketAxess common stock. The Form 4 shows he sold 100 shares at $115.12 per share, with direct ownership remaining afterward.

What role does Scott Pintoff hold at MarketAxess (MKTX) in this Form 4?

In this filing, Scott Pintoff is identified as General Counsel and Secretary of MarketAxess Holdings Inc. He reported an open-market sale of 100 shares of common stock.

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 NEW YORK 10001

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/10/2026

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

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

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

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	07/10/2026		S		100	D	$115.12	11,686	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	07/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)