MarketAxess (MKTX) CFO awarded 5,005 RSUs and surrenders shares for tax

Rhea-AI Filing Summary

MarketAxess Holdings Inc. Chief Financial Officer Ilene Fiszel Bieler received a grant of 5,005 restricted stock units on common shares. The award was made under the 2020 Equity Incentive Plan and will vest 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029.

On the same date, 439 common shares were surrendered to the company at $179.36 per share to cover tax withholding from previously granted units. After these transactions, she directly beneficially owns 8,988 shares of MarketAxess common stock.

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

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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^*

Fiszel Bieler Ilene

(Last) (First) (Middle)

C/O MARKETAXESS HOLDINGS INC.

55 HUDSON YARDS, 15TH FLOOR

(Street)

NEW YORK NY 10001

(City) (State) (Zip)

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)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	02/15/2026		A		5,005	A	$0(1)	9,427	D
Common Stock, par value $0.003 per share	02/15/2026		F(2)		439	D	$179.36	8,988	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:

1. Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. The restricted stock units shall vest 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029.

2. Represents the surrender of shares to the Company to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units previously granted to the Reporting Person.

	/s/ Patrick Wilson as Attorney-in-Fact for Ilene Fiszel Bieler	02/17/2026
	** 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).
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FAQ

What insider transaction did MarketAxess (MKTX) report for its CFO?

MarketAxess reported its CFO, Ilene Fiszel Bieler, received a grant of 5,005 restricted stock units and surrendered 439 common shares for tax withholding. After these transactions, she directly holds 8,988 shares of MarketAxess common stock.

How many MarketAxess (MKTX) restricted stock units were granted to the CFO?

Ilene Fiszel Bieler was granted 5,005 restricted stock units of MarketAxess common stock. The grant was made under the 2020 Equity Incentive Plan and represents equity-based compensation rather than an open-market share purchase.

What is the vesting schedule for the MarketAxess (MKTX) CFO’s 5,005 RSUs?

The 5,005 restricted stock units vest over three years: 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029. This structure incentivizes continued service and long-term alignment with shareholders.

Why did the MarketAxess (MKTX) CFO surrender 439 common shares?

The 439 MarketAxess common shares were surrendered back to the company to satisfy tax withholding obligations upon vesting of prior restricted stock units. This tax-withholding disposition avoids a separate cash payment for the related tax liability.

How many MarketAxess (MKTX) shares does the CFO own after these transactions?

Following the reported equity grant and tax-related share surrender, Ilene Fiszel Bieler directly beneficially owns 8,988 shares of MarketAxess common stock. This reflects her updated post-transaction equity position in the company.

Was the MarketAxess (MKTX) CFO’s Form 4 transaction an open-market stock purchase?

No, the Form 4 shows a grant of 5,005 restricted stock units at a price of $0 under the equity plan, plus a tax-withholding share surrender. It does not report any open-market share purchases or sales by the CFO.