Arbuckle Stuart A Insider Trading -- Recent SEC Form 4 Transactions

Arbuckle Stuart A (CIK 1557290) reported 15 SEC Form 4 insider transactions across 4 companies over the past 18 months (most recent 2026-06-25). Recent activity: Buy RYTM (4,712 shares), Buy PRAX (1,371 shares), Buy ALNY (671 shares), Buy PRAX (688 shares), Buy PRAX (478 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-06-25RHYTHM PHARMACEUTICALS, INC. (RYTM)DirectorBuy4,712$0
2026-06-12Praxis Precision Medicines, Inc. (PRAX)DirectorBuy1,371$0
2026-05-22ALNYLAM PHARMACEUTICALS, INC. (ALNY)DirectorBuy671$0
2026-02-10Praxis Precision Medicines, Inc. (PRAX)DirectorBuy688$0
2026-02-10Praxis Precision Medicines, Inc. (PRAX)DirectorBuy478$0
2025-07-02VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOSell37,243$16.8M
2025-06-23RHYTHM PHARMACEUTICALS, INC. (RYTM)DirectorBuy4,000$0
2025-05-15VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOBuy37,622$0
2025-02-28VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOSell7,071$3.4M
2025-02-26VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOSell4,716$2.3M
2025-02-19VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOSell2,724$1.3M
2025-02-14VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOBuy7,903$0
2025-02-12VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOSell3,220$1.5M
2025-02-06VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOBuy14,624$0
2025-02-06VERTEX PHARMACEUTICALS INC / MA (VRTX)EVP, COOBuy8,448$0

Source: SEC Form 4 filings · as of 2026-06-25