MarketAxess director awarded 1,390 RSUs

Portney Emily Hope reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Portney Emily Hope reported acquisition or exercise transactions in this Form 4 filing.

MarketAxess Holdings director Emily Hope Portney reported a compensation-related equity grant and updated holdings. On June 10, 2026, she received 1,390 shares of common stock as a grant of restricted stock units under the company’s 2020 Equity Incentive Plan, with no purchase price. Following the grant, she directly holds 2,174 common shares and indirectly holds 3,656 common shares through an entity described as “By GRAT.”

Insider Trade Summary

Grant/Award: 1,390 shares

Grant/Award 2 txns

Insider Portney Emily Hope

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.003 per share	1,390	$0.00	$0.00
holding	Common Stock, par value $0.003 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.003 per share — 2,174 shares (Direct); Common Stock, par value $0.003 per share — 3,656 shares (Indirect, By GRAT)

Footnotes (1)

1. F1. Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan.

Key Figures

Equity grant size: 1,390 shares Grant price per share: $0.0000 per share Direct holdings after grant: 2,174 shares +1 more

4 metrics

Equity grant size 1,390 shares Restricted stock unit grant on June 10, 2026

Grant price per share $0.0000 per share RSU grant compensation, not open-market purchase

Direct holdings after grant 2,174 shares Common stock directly owned after the transaction

Indirect holdings after update 3,656 shares Indirect ownership reported as “By GRAT”

Key Terms

restricted stock units, 2020 Equity Incentive Plan, GRAT, Grant, award, or other acquisition

4 terms

restricted stock units financial

"Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2020 Equity Incentive Plan financial

"Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan."

GRAT financial

"Indirect ownership of 3,656 shares is described in the filing as "By GRAT"."

Grant, award, or other acquisition financial

"Transaction code A is described as Grant, award, or other acquisition."

FAQ

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

What insider transaction did MarketAxess (MKTX) report for Emily Hope Portney?

MarketAxess reported that director Emily Hope Portney received a grant of 1,390 shares of common stock as restricted stock units. The grant was made on June 10, 2026 under the company’s 2020 Equity Incentive Plan and involved no cash purchase.

How many MarketAxess (MKTX) shares did Emily Hope Portney receive in this Form 4?

Emily Hope Portney received 1,390 shares of MarketAxess common stock through a restricted stock unit grant. The filing lists these shares at a price of $0.0000 per share, indicating they were awarded as compensation rather than bought in the open market.

What are Emily Hope Portney’s MarketAxess (MKTX) holdings after this Form 4 grant?

After the reported grant, Emily Hope Portney directly holds 2,174 shares of MarketAxess common stock. She also has 3,656 shares reported as indirectly owned, with the nature of ownership described in the filing as “By GRAT.”

Was the MarketAxess (MKTX) Form 4 transaction an open-market buy or sale?

The Form 4 does not show any open-market buy or sale by Emily Hope Portney. Instead, it reports an acquisition coded “A,” described as a grant or award of 1,390 restricted stock units under the company’s 2020 Equity Incentive Plan.

How is indirect ownership reported for Emily Hope Portney in MarketAxess (MKTX)?

The Form 4 reports 3,656 MarketAxess common shares as indirectly owned by Emily Hope Portney. The nature of this indirect ownership is identified in the filing as “By GRAT,” indicating the shares are held through a related entity rather than directly.

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

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Accepted by SEC EDGAR 06/12/2026 - 04:15 PM EDT 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).

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^*

Portney Emily Hope

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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		A		1,390	A	$0(1)	2,174	D
Common Stock, par value $0.003 per share								3,656	I	By GRAT

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:

1. Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan.

	/s/ Patrick Wilson, as Attorney-in-Fact for Emily H. Portney	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)