Ambrose Kristen — SEC Form 4 filings
SEC reporting owner CIK 1856587. 17 Form 4 filings on record with FilingPulse; latest filed 2026-09-01.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-02-08 to 2026-09-01. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 11 legs across 10 filings — 9,579 shares, $4,395,958 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 20.
- Largest priced transaction: sale of 1,557 shares @ $489.46 ($762,089) in VERTEX PHARMACEUTICALS INC / MA, filed 2026-02-19.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| VERTEX PHARMACEUTICALS INC / MA (VRTX) | SVP & Chief Accounting Officer | 17 | — | 11 legs · 9,579 sh · $4,395,958 | 20 |
Form 4 filings — Ambrose Kristen
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-01 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Grant/award (A): 5,000 @ $0 | EDGAR |
| 2026-03-02 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Sale (S): 357 @ $483.36 | EDGAR |
| 2026-02-26 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 546 @ $485.11 · Sale (S): 223 @ $486.35 | EDGAR |
| 2026-02-19 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Grant/award (A): 1,809 @ $0 · Tax withholding (F): 598 @ $483.75 · Sale (S): 1,557 @ $489.46 · Sale (S): 638 @ $473.68 | EDGAR |
| 2026-02-18 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 1,393 @ $487.76 | EDGAR |
| 2026-02-12 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 592 @ $468.41 · Sale (S): 1,376 @ $460.43 | EDGAR |
| 2026-01-26 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Grant/award (A): 2,950 @ $0 · Grant/award (A): 1,300 @ $0 | EDGAR |
| 2025-02-28 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 1,241 @ $479.61 | EDGAR |
| 2025-02-26 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 828 @ $483.28 · Sale (S): 884 @ $480.95 | EDGAR |
| 2025-02-19 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 564 @ $463.46 · Sale (S): 671 @ $455.06 | EDGAR |
| 2025-02-14 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Grant/award (A): 2,080 @ $0 | EDGAR |
| 2025-02-12 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 591 @ $467.98 · Sale (S): 1,376 @ $459.83 | EDGAR |
| 2025-02-06 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Grant/award (A): 2,566 @ $0 · Grant/award (A): 1,854 @ $0 | EDGAR |
| 2024-04-03 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 225 @ $418.10 · Sale (S): 240 @ $419 | EDGAR |
| 2024-02-27 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 828 @ $431.79 · Sale (S): 883 @ $425.70 | EDGAR |
| 2024-02-13 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Tax withholding (F): 591 @ $422.74 · Sale (S): 1,374 @ $420.24 | EDGAR |
| 2024-02-08 | 4 | VERTEX PHARMACEUTICALS INC / MA (VRTX) | Grant/award (A): 2,950 @ $0 · Grant/award (A): 1,853 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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