Ilene Fiszel Bieler - 15 Feb 2026 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Signature
/s/ Patrick Wilson as Attorney-in-Fact for Ilene Fiszel Bieler
Issuer symbol
MKTX
Transactions as of
15 Feb 2026
Net transactions value
-$78,739
Form type
4
Filing time
17 Feb 2026, 16:31:03 UTC
Previous filing
03 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fiszel Bieler Ilene Chief Financial Officer C/O MARKETAXESS HOLDINGS INC., 55 HUDSON YARDS, 15TH FLOOR, NEW YORK /s/ Patrick Wilson as Attorney-in-Fact for Ilene Fiszel Bieler 17 Feb 2026 0002021091

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MKTX Common Stock, par value $0.003 per share Award $0 +5,005 +113% $0.000000 9,427 15 Feb 2026 Direct F1
transaction MKTX Common Stock, par value $0.003 per share Tax liability $78,739 -439 -4.7% $179.36 8,988 15 Feb 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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.