| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MKTX | |||||
| 2025-08-13 | Portney, Emily Hope | Director | Sold | 3656 | $0.00 |
| 2025-08-13 | Portney, Emily Hope | Director | Purchased | 3656 | $0.00 |
| 2025-06-11 | Mcpherson, Kevin M | Chief Revenue Officer | Sold | 2000 | $224.77 |
| 2025-06-04 | Hernandez, Carlos Mauricio | Director | Purchased | 1475 | $0.00 |
| 2025-06-04 | Begleiter, Steven L | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Ketchum, Richard G | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Chwick, Jane | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Casper, Stephen P | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Portney, Emily Hope | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Altobello, Nancy A. | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Hoornweg, Roberto | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Gibson, Kourtney | Director | Purchased | 784 | $0.00 |
| 2025-06-04 | Cruger, William Frank Jr. | Director | Purchased | 784 | $0.00 |
| 2025-06-03 | Fiszel, Bieler Ilene | Chief Financial Officer | Sold | 242 | $219.02 |
| 2025-05-15 | Mcpherson, Kevin M | Chief Revenue Officer | Sold | 250 | $0.00 |
| 2025-05-14 | Roupie, Christophe Pierre Daniel | Head of EMEA and APAC | Sold | 1189 | $210.44 |
| 2025-04-01 | Cianciulli, Michael R. | Head of Ext Rep & Comp Accting | Purchased | 232 | $0.00 |
| 2025-03-20 | Hernandez, Carlos Mauricio | Director | Purchased | 12480 | $0.00 |
| 2025-03-20 | Hernandez, Carlos Mauricio | Director | Sold | 12480 | $0.00 |
| 2025-03-03 | Hernandez, Carlos Mauricio | Director | Sold | 12480 | $0.00 |
