MarketAxess counsel Scott Pintoff sells 100 shares

After the transaction, the General Counsel and Secretary reported direct holdings of 11,286 shares; the sale was under a Rule 10b5-1 trading plan.

Available on EDGAR 11/10/2026 - 04:15 PM EST Accepted by SEC EDGAR 11/10/2026 - 04:15 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

MarketAxess Holdings Inc. General Counsel and Secretary Scott Pintoff sold 100 shares of common stock at $164.80 per share on November 10, 2026, under a Rule 10b5-1 trading plan. After the sale, Pintoff reported direct holdings of 11,286 shares.

Insider Trade Summary 10b5-1

Net Seller: 100 shares

Net Sell 1 txn

Insider Pintoff Scott

Role General Counsel and Secretary

Sold 100 shs ($16K)

Share of Position Sold 0.88%

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.003 per share	100	$164.80	$16K

Holdings After Transaction: Common Stock, par value $0.003 per share — 11,286 shares (Direct)

Holdings Before and After: Common Stock, par value $0.003 per share, 11,386 to 11,286 shares (Direct)

Key Figures

Shares sold: 100 shares Sale price per share: $164.80 per share Direct shares held after sale: 11,286 shares

3 metrics

Shares sold 100 shares November 10, 2026

Sale price per share $164.80 per share November 10, 2026

Direct shares held after sale 11,286 shares After the November 10, 2026 sale

Key Terms

Rule 10b5-1 trading plan, par value, direct ownership

3 terms

Rule 10b5-1 trading plan regulatory

"under a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

par value financial

"Common Stock, par value $0.003 per share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

direct ownership financial

"direct holdings of 11,286 shares"

FAQ

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

How many MKTX shares did Scott Pintoff sell, and at what price?

Scott Pintoff, MarketAxess Holdings Inc.'s General Counsel and Secretary, sold 100 shares at $164.80 per share on November 10, 2026. The sale was under a Rule 10b5-1 trading plan, and his direct holdings afterward were 11,286 shares.

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

Form 4 Insider Transactions: What Each Field Means →

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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)
11/10/2026

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	11/10/2026		S		100	D	$164.8	11,286	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	11/10/2026
	** 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)