MarketAxess officer proposes $16.5K share sale

The 100 shares were acquired as RSU / PSU equity compensation, and the notice reports three 100-share sales during the prior three months.

Available on EDGAR 11/10/2026 - 04:10 PM EST Accepted by SEC EDGAR 11/10/2026 - 04:09 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

MarketAxess Holdings Inc. officer Scott Pintoff reported a proposed sale of 100 common shares, with an approximate sale date of November 10, 2026 and an aggregate market value of $16,480. The shares were acquired on February 15, 2026 as RSU / PSU equity compensation. The notice lists September 10, 2025 as the Rule 10b5-1 plan adoption or instruction date. It also reports sales of 100 shares each on August 10, September 10 and October 12, 2026, for gross proceeds of $16,260, $16,332 and $16,465, respectively.

Key Figures

Proposed common shares for sale: 100 shares Aggregate market value: $16,480 Shares outstanding: 35,204,675 shares +4 more

7 metrics

Proposed common shares for sale 100 shares Approximate sale date November 10, 2026

Aggregate market value $16,480 Proposed sale

Shares outstanding 35,204,675 shares Reported in the securities information

Prior sale gross proceeds $16,260 100 shares sold August 10, 2026

Prior sale gross proceeds $16,332 100 shares sold September 10, 2026

Prior sale gross proceeds $16,465 100 shares sold October 12, 2026

Shares acquired as equity compensation 100 shares RSU / PSU acquisition on February 15, 2026

Key Terms

Rule 10b5-1, RSU / PSU, Equity Compensation, Aggregate Market Value

4 terms

Rule 10b5-1 regulatory

"If Relying on Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

RSU / PSU financial

"Nature of Acquisition Transaction: RSU / PSU"

Equity Compensation financial

"Nature of Payment: Equity Compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many MKTX shares is Scott Pintoff planning to sell?

Scott Pintoff reported a proposed sale of 100 common shares, with an approximate sale date of November 10, 2026 and an aggregate market value of $16,480.

What MKTX shares did Scott Pintoff sell in the prior three months?

The notice reports sales of 100 shares on August 10, 2026 for gross proceeds of $16,260, 100 shares on September 10, 2026 for $16,332, and 100 shares on October 12, 2026 for $16,465.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001314400
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MARKETAXESS HOLDINGS INC
SEC File Number	001-34091
Address of Issuer	55 HUDSON YARDS, 15TH FLOOR NEW YORK NEW YORK 10001
Phone	212-831-6000
Name of Person for Whose Account the Securities are To Be Sold	Pintoff Scott
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	100	16480.00	35204675	11/10/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/15/2026	RSU / PSU	MARKETAXESS HOLDINGS INC			100	02/15/2026	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Scott Pintoff 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001	MARKETAXESS HOLDINGS INC	08/10/2026	100	16260.00
Scott Pintoff 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001	MARKETAXESS HOLDINGS INC	09/10/2026	100	16332.00
Scott Pintoff 55 HUDSON YARDS 15TH FLOOR NEW YORK NY 10001	MARKETAXESS HOLDINGS INC	10/12/2026	100	16465.00

144: Remarks and Signature

Remarks
Date of Notice	11/10/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/10/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Scott Pintoff
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)