[Form 4] MARKETAXESS HOLDINGS INC Insider Trading Activity

Rhea-AI Filing Summary

Mirwani Nitin A reported acquisition or exercise transactions in this Form 4 filing.

MarketAxess Holdings Inc. granted Chief Accounting Officer Nitin A. Mirwani 1,766 shares of common stock on a no-cash basis as an equity award under the company’s 2020 Equity Incentive Plan.

The award is in the form of restricted stock units that vest 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029. Following this grant, Mirwani beneficially owns 1,766 shares directly.

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^*

Mirwani Nitin A

(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 Accounting 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		1,766	A	$0(1)	1,766	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.

	/s/ Patrick Wilson as Attorney-in-Fact for Nitin A. Mirwani	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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did MarketAxess (MKTX) report for Nitin Mirwani?

MarketAxess reported an equity grant to Nitin A. Mirwani, its Chief Accounting Officer, of 1,766 shares of common stock. The award was made at a price of $0 per share as part of the company’s equity compensation program.

Was the MarketAxess (MKTX) Form 4 transaction a stock purchase or a grant?

The Form 4 shows a stock grant, not an open-market purchase. Mirwani acquired 1,766 shares at a reported price of $0 per share, reflecting a grant or award under MarketAxess’s 2020 Equity Incentive Plan rather than a cash transaction.

How do Nitin Mirwani’s MarketAxess (MKTX) restricted stock units vest?

The restricted stock units vest over three years. According to the filing, 34% vest on February 15, 2027, 33% vest on February 15, 2028, and the remaining 33% vest on February 15, 2029, subject to the award’s terms.

How many MarketAxess (MKTX) shares does Nitin Mirwani own after this grant?

After the reported grant, Mirwani beneficially owns 1,766 shares of MarketAxess common stock. The filing lists this entire amount as directly owned, reflecting the newly awarded restricted stock units credited to him under the company’s equity plan.

What role does Nitin Mirwani hold at MarketAxess (MKTX)?

Nitin A. Mirwani serves as Chief Accounting Officer at MarketAxess. The Form 4 identifies him as an officer of the company and reports his receipt of 1,766 restricted stock units under the 2020 Equity Incentive Plan to align compensation with company performance.

Under which plan were the MarketAxess (MKTX) restricted stock units granted?

The restricted stock units were granted under MarketAxess’s 2020 Equity Incentive Plan. This plan provides equity-based awards such as restricted stock units to key employees, aligning their incentives with shareholder interests through time-based vesting schedules.