22 insiders reported 74 Form 4 transactions for MARKETAXESS HOLDINGS INC (MKTX) over the past 18 months (most recent 2026-09-11). Recent activity: Pintoff Scott (General Counsel and Secretary) Sell 100 shares, Cruger William Frank Jr. (Director) Sell 6,164 shares, Portney Emily Hope (Director) Buy 2,085 shares, Portney Emily Hope (Director) Sell 2,085 shares, Pintoff Scott (General Counsel and Secretary) Sell 100 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-11 | Pintoff Scott | General Counsel and Secretary | Sell | 100 | $16,332 |
| 2026-09-11 | Cruger William Frank Jr. | Director | Sell | 6,164 | $1.0M |
| 2026-08-13 | Portney Emily Hope | Director | Buy | 2,085 | $0 |
| 2026-08-13 | Portney Emily Hope | Director | Sell | 2,085 | $0 |
| 2026-08-10 | Pintoff Scott | General Counsel and Secretary | Sell | 100 | $16,260 |
| 2026-08-07 | Chwick Jane | Director | Sell | 606 | $0 |
| 2026-07-10 | Pintoff Scott | General Counsel and Secretary | Sell | 100 | $11,512 |
| 2026-06-18 | HERNANDEZ CARLOS MAURICIO | Director | Buy | 10,708 | $0 |
| 2026-06-18 | HERNANDEZ CARLOS MAURICIO | Director | Sell | 10,708 | $0 |
| 2026-06-12 | Altobello Nancy A. | Director | Buy | 1,390 | $0 |
| 2026-06-12 | SCHICIANO KENNETH T | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Cruger William Frank Jr. | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Gibson Kourtney | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Cifu Douglas A | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Pintoff Scott | General Counsel and Secretary | Sell | 100 | $11,603 |
| 2026-06-12 | KETCHUM RICHARD G | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Begleiter Steven L | Director | Buy | 1,390 | $0 |
| 2026-06-12 | HERNANDEZ CARLOS MAURICIO | Director | Buy | 2,616 | $0 |
| 2026-06-12 | Portney Emily Hope | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Hoornweg Roberto | Director | Buy | 1,390 | $0 |
| 2026-06-12 | Chwick Jane | Director | Buy | 1,390 | $0 |
| 2026-06-03 | Fiszel Bieler Ilene | Chief Financial Officer | Sell | 332 | $40,896 |
| 2026-05-11 | Pintoff Scott | General Counsel and Secretary | Sell | 100 | $14,699 |
| 2026-05-04 | Quan William | Chief Technology Officer | Buy | 218 | $0 |
| 2026-04-10 | Pintoff Scott | General Counsel and Secretary | Sell | 100 | $17,196 |
Source: SEC Form 4 filings · as of 2026-09-11