Alnylam Pharmaceuticals, Inc.

Ownership Transactions Reported by 24 Insiders

Symbol
ALNY on Nasdaq
Location
675 West Kendall Street, Henri A. Termeer Square, Cambridge, MA

Insiders trading volume in the past year

Alnylam Pharmaceuticals, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Sharp Phillip A Director $73.4M -$3.09M -4.04% Jan 23, 2025
John Maraganore Chief Executive Officer, Director $42.8M Dec 21, 2021
Yvonne Greenstreet Chief Executive Officer, Director $31.6M -$26M -45.2% Oct 1, 2025
Jeffrey V. Poulton EVP, Chief Financial Officer $25.2M -$3.93M -13.5% Oct 1, 2025
Tolga Tanguler EVP, Chief Commercial Officer $13M -$3.43M -20.9% Oct 1, 2025
Kevin Fitzgerald CSO & EVP, Head of Research $11.8M -$3.81M -24.4% Oct 1, 2025
Pushkal Garg EVP Chief R&D $9.97M -$24.3M -70.9% Oct 1, 2025
Michael W. Bonney Director $9.37M -$8.19M -46.6% Aug 18, 2025
E. Pyott David Director $6.71M -$2.22M -24.9% May 8, 2025
Bryan Supran EVP, CLO and Secretary $6.11M Oct 1, 2025
Akshay Vaishnaw President $5.39M Aug 3, 2023
Amy W. Schulman Director $2.79M May 8, 2025
Dennis A. Ausiello Director $1.98M -$13.7M -87.4% Aug 14, 2025
Robert W. Hesslein EVP, CLO and Secretary $1.94M Mar 3, 2025
Laurie Keating EVP, Chief Legal Officer $1.03M Aug 5, 2021
Indrani Franchini EVP, CLO & Secretary $915K Feb 27, 2024
Charles Elliott Sigal Director $646K May 8, 2025
Colleen F. Reitan Director $373K -$8.42M -95.8% Sep 9, 2025
Margaret A. Hamburg Director $212K May 8, 2025
Steven M. Paul Director $185K Apr 1, 2022
Carolyn R. Bertozzi Director $181K May 8, 2025
Kellogg Peter N Director $181K May 8, 2025
Olivier Brandicourt Director $181K May 8, 2025
Marsha Fanucci Director $25.2K May 18, 2023

Recent Insider Transactions by Companies or Individuals for Alnylam Pharmaceuticals, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.