Director Douglas A. Cifu reports zero MarketAxess (MKTX) common stock holdings

Rhea-AI Filing Summary

MarketAxess Holdings Inc. director Douglas A. Cifu has filed an initial Form 3 disclosing his beneficial ownership position in the company. The filing shows that, as of the reported date, he does not hold any shares of MarketAxess common stock directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Cifu Douglas A

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock, par value $0.003 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.003 per share — 0 shares (Direct)

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Accepted by SEC EDGAR 03/02/2026 - 04:15 PM Learn about SEC filing dates

FAQ

What does Douglas A. Cifus Form 3 filing for MARKETAXESS HOLDINGS INC (MKTX) show?

The Form 3 filing shows that director Douglas A. Cifu reported his initial beneficial ownership position in MarketAxess Holdings Inc.. As of the reported date, he listed 0 shares of the companys common stock held directly.

Is Douglas A. Cifu currently reported as owning MKTX common stock?

According to the Form 3, Douglas A. Cifu reported 0 shares of MarketAxess common stock held directly. This means the filing does not show any beneficial ownership of MKTX common stock by him as of the reported date.

What type of security is disclosed in Douglas A. Cifus MKTX Form 3?

The Form 3 lists Common Stock, par value $0.003 per share of MarketAxess Holdings Inc. as the relevant security. For this security, the filing reports that Cifu held 0 shares directly after the reported event.

Does the MKTX Form 3 for Douglas A. Cifu report any insider buying or selling?

The Form 3 is an initial ownership report and does not show any buying or selling activity. It simply states that Cifus direct beneficial ownership of MarketAxess common stock was 0 shares as of the reported date.

What role does Douglas A. Cifu hold at MARKETAXESS HOLDINGS INC (MKTX)?

In the Form 3, Douglas A. Cifu is identified as a director of MarketAxess Holdings Inc. The filing provides his insider status and reports that he directly held 0 shares of the companys common stock at that time.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Cifu Douglas A

(Last) (First) (Middle)

C/O MARKETAXESS HOLDINGS INC.

55 HUDSON YARDS, 15TH FLOOR

(Street)

NEW YORK NY 10001

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2026

3. Issuer Name and Ticker or Trading Symbol
MARKETAXESS HOLDINGS INC [ MKTX ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.003 per share	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24-Power of Attorney

	/s/ Patrick Wilson as Attorney-in-Fact for Douglas A Cifu	03/02/2026
	** 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 5 (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.