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

Rhea-AI Filing Summary

MarketAxess Holdings Inc. General Counsel and Secretary Scott Pintoff reported an open-market sale of company stock. On June 10, 2026, he sold 100 shares of common stock at $116.03 per share. After this transaction, he directly holds 11,786 shares of MarketAxess common stock.

Insider Trade Summary 10b5-1

Net Seller: 100 shares ($11,603)

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	$116.03	$12K

Holdings After Transaction: Common Stock, par value $0.003 per share — 11,786 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 100 shares Sale price per share: $116.03 per share Shares held after transaction: 11,786 shares +1 more

4 metrics

Shares sold 100 shares Open-market sale on June 10, 2026

Sale price per share $116.03 per share Open-market sale on June 10, 2026

Shares held after transaction 11,786 shares Direct ownership following June 10, 2026 sale

Transaction code S Sale in open market or private transaction

Key Terms

open-market sale, Common Stock, par value $0.003 per share, beneficially owned, Form 4

4 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""

beneficially owned financial

"total_shares_following_transaction": "11786.0000""

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/12/2026 - 04:16 PM Accepted by SEC EDGAR 06/12/2026 - 04:15 PM 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 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)
06/10/2026

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	06/10/2026		S		100	D	$116.03	11,786	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	06/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did MKTX executive Scott Pintoff report on this Form 4?

Scott Pintoff reported an open-market sale of MarketAxess (MKTX) common stock. On June 10, 2026, he sold 100 shares at a price of $116.03 per share and continued to hold 11,786 shares directly after the transaction.

How many MarketAxess (MKTX) shares did Scott Pintoff sell and at what price?

Scott Pintoff sold 100 shares of MarketAxess common stock. The sale occurred at a price of $116.03 per share on June 10, 2026, and was reported as an open-market transaction in this Form 4 filing.

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

Following the reported sale, Scott Pintoff directly holds 11,786 shares of MarketAxess common stock. This remaining position is disclosed in the Form 4 as the total number of shares beneficially owned after the June 10, 2026 transaction.

Was Scott Pintoff’s MarketAxess (MKTX) transaction an open-market sale or another type?

The transaction was an open-market sale of MarketAxess common stock. The Form 4 identifies the code as “S,” describing it as a sale in an open market or private transaction, with no derivative exercises or tax-withholding events reported.

Does this MKTX Form 4 show any option exercises or derivative transactions for Scott Pintoff?

No derivative transactions are shown for Scott Pintoff in this Form 4. The filing reports only one non-derivative transaction: an open-market sale of 100 shares of MarketAxess common stock on June 10, 2026, with no options exercised.