| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McPherson Kevin M | Chief Revenue Officer | C/O MARKETAXESS HOLDINGS INC., 55 HUDSON YARDS, 15TH FLOOR, NEW YORK | /s/ Conor Colasurdo, as Attorney-in-Fact for Kevin M. McPherson | 20 May 2025 | 0001704380 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MKTX | Common Stock, par value $0.003 per share | Gift | $0 | -250 | -0.35% | $0.000000 | 71,175 | 15 May 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The transaction reported involved a gift by the Reporting Person of 250 shares of Common Stock to a charitable donor advised fund. |