MarketAxess (NASDAQ: MKTX) insider files to sell 400 shares via Rule 144

Rhea-AI Filing Summary

MarketAxess Holdings Inc. insider sale notice: A Form 144 filing indicates that Scott Pintoff plans to sell 400 shares of MarketAxess common stock through Charles Schwab on or about January 12, 2026, on the NASDAQ, with an aggregate market value of $67,452. The filing notes 37,171,508 shares outstanding.

The securities to be sold were acquired as equity compensation through restricted stock lapses and RSU/PSU awards in 2021 and 2025. Over the prior three months, Pintoff sold 100 MarketAxess shares for gross proceeds of $17,785. The signer represents that they are not aware of any undisclosed material adverse information about the company.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	400	67452.00	37171508	01/12/2026	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	01/31/2021	Restricted Stock Lapse	MARKETAXESS HOLDINGS INC			200	01/31/2021	Equity Compensation
Common	01/31/2025	RSU / PSU	MARKETAXESS HOLDINGS INC			100	01/31/2025	Equity Compensation
Common	02/15/2025	Restricted Stock Lapse	MARKETAXESS HOLDINGS INC			100	02/15/2025	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	12/12/2025	100	17785.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for MarketAxess (MKTX) disclose?

The Form 144 discloses that Scott Pintoff intends to sell 400 shares of MarketAxess Holdings Inc. common stock through Charles Schwab on or about January 12, 2026 on the NASDAQ, with an aggregate market value of $67,452.

How many MarketAxess (MKTX) shares has the seller recently sold?

Over the past three months, Scott Pintoff sold 100 MarketAxess shares on December 12, 2025, generating gross proceeds of $17,785, in addition to the planned sale of 400 shares disclosed in this notice.

How were the MarketAxess (MKTX) shares in this Form 144 acquired?

The shares were acquired as equity compensation from MarketAxess Holdings Inc., including restricted stock lapses and RSU/PSU awards on dates such as January 31, 2021, January 31, 2025, and February 15, 2025.

What is the reported number of MarketAxess (MKTX) shares outstanding?

The filing reports 37,171,508 MarketAxess common shares outstanding, providing context for the size of the planned insider sale.

Which broker and exchange are involved in the MarketAxess Form 144 sale?

The planned sale of 400 MarketAxess common shares is to be executed through Charles Schwab & Co., Inc., with the shares listed on the NASDAQ exchange.

What representation does the seller make in this MarketAxess Form 144?

By signing the notice, the seller represents that they do not know any material adverse information about MarketAxess’s current or prospective operations that has not been publicly disclosed.