Stuart A. Arbuckle

Director at Praxis Precision Medicines · 7 reported transactions in 4 companies · latest report Jun 23, 2026

Their trades


Rhythm PharmaceuticalsRYTM	Exercised options — · 4,712 shares	Jun 23, 2026
Praxis Precision MedicinesPRAX	Share award — · 1,371 shares	Jun 10, 2026
Alnylam PharmaceuticalsALNY	Share award — · 671 shares	May 20, 2026
Praxis Precision MedicinesPRAX	Share award — · 478 shares	Feb 6, 2026
Praxis Precision MedicinesPRAX	Share award — · 688 shares	Feb 6, 2026
Vertex PharmaceuticalsVRTX	Shares withheld for tax $16.77M · 37,243 shares	Jul 1, 2025
Rhythm PharmaceuticalsRYTM	Exercised options — · 4,000 shares	Jun 18, 2025

Jun 23, 2026 · RYTM

4,712

Jun 10, 2026 · PRAX

1,371

May 20, 2026 · ALNY

671

Feb 6, 2026 · PRAX

478

Feb 6, 2026 · PRAX

688

Shares withheld for taxVertex Pharmaceuticals

Jul 1, 2025 · VRTX

$16.77M

Jun 18, 2025 · RYTM

4,000

7 transactionsPro adds every trade with how it did, their holdings and the money-flow chartPro is $29 a month

Built from their public trade reports and market prices: past moves, not predictions or advice.

Director at Praxis Precision Medicines · 7 reported transactions in 4 companies · latest report Jun 23, 2026


Rhythm PharmaceuticalsRYTM	Exercised options — · 4,712 shares	Jun 23, 2026
Praxis Precision MedicinesPRAX	Share award — · 1,371 shares	Jun 10, 2026
Alnylam PharmaceuticalsALNY	Share award — · 671 shares	May 20, 2026
Praxis Precision MedicinesPRAX	Share award — · 478 shares	Feb 6, 2026
Praxis Precision MedicinesPRAX	Share award — · 688 shares	Feb 6, 2026
Vertex PharmaceuticalsVRTX	Shares withheld for tax $16.77M · 37,243 shares	Jul 1, 2025
Rhythm PharmaceuticalsRYTM	Exercised options — · 4,000 shares	Jun 18, 2025