William Quan - 16 Mar 2026 Form 3 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Role
Chief Technology Officer
Signature
/s/ Patrick Wilson as Attorney-in-Fact for William Quan
Issuer symbol
MKTX
Transactions as of
16 Mar 2026
Net transactions value
$0
Form type
3
Filing time
16 Mar 2026, 16:15:05 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Quan William Chief Technology Officer C/O MARKETAXESS HOLDINGS INC., 55 HUDSON YARDS, 15TH FLOOR, NEW YORK /s/ Patrick Wilson as Attorney-in-Fact for William Quan 16 Mar 2026 0002118548

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding MKTX Common Stock, par value $0.003 per share 0 16 Mar 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

Exhibit 24-Power of Attorney