Ambrose Kristen (CIK 1856587) reported 13 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-01). Recent activity: Buy VRTX (5,000 shares), Sell VRTX (357 shares), Sell VRTX (546 shares), Sell VRTX (223 shares), Buy VRTX (1,809 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-01 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Buy | 5,000 | $0 |
| 2026-03-02 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 357 | $172,560 |
| 2026-02-26 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 546 | $264,870 |
| 2026-02-26 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 223 | $108,456 |
| 2026-02-19 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Buy | 1,809 | $0 |
| 2026-02-19 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 598 | $289,282 |
| 2026-02-19 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 1,557 | $762,089 |
| 2026-02-19 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 638 | $302,208 |
| 2026-02-18 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 1,393 | $679,450 |
| 2026-02-12 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 592 | $277,299 |
| 2026-02-12 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Sell | 1,376 | $633,552 |
| 2026-01-26 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Buy | 2,950 | $0 |
| 2026-01-26 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | Buy | 1,300 | $0 |
Source: SEC Form 4 filings · as of 2026-09-01