John Maraganore

Chief Executive Officer, Alnylam Pharmaceuticals.

Companies

Hemab Therapeutics Holdings, Inc.Board member Apr 30, 2026 to now¹
Takeda Pharmaceutical CompanyBoard member Mar 18, 2026 to now²
Rapport Therapeutics, Inc.Board member Jun 6, 2024 to now³
Kymera TherapeuticsBoard member Jan 19, 2022 to now⁴
Beam TherapeuticsBoard member Nov 8, 2021 to now⁵
PROKIDNEY CORP.Board member Jul 13, 2022 to Jul 3, 2023⁶
Agios PharmaceuticalsBoard member Jul 23, 2013 to Feb 3, 2023⁷
Alnylam PharmaceuticalsBoard member May 16, 2006 to Dec 23, 2021⁸
Alnylam PharmaceuticalsChief executive officer May 16, 2006 to Dec 23, 2021⁸
bluebird bioBoard member Jun 18, 2013 to Sep 18, 2017⁹
Regulus Therapeutics Inc.Board member Oct 4, 2012 to Oct 11, 2012¹⁰
Alnylam PharmaceuticalsPresident May 16, 2006 to Dec 15, 2006⁸

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

As of each latest filing. The line shows shares held over time.

Jul 1, 2026Granted 3,800 shares of Takeda Pharmaceutical Company¹⁴
May 4, 2026Converted 17,974 shares of Hemab Therapeutics Holdings, Inc.¹²
May 4, 2026Converted 17,974 shares of Hemab Therapeutics Holdings, Inc.¹²
Sep 20, 2022Gift 1,500 shares of Agios Pharmaceuticals¹³
May 20, 2022Exercised options 1,585 shares of Agios Pharmaceuticals¹⁶
Dec 22, 2021Shares withheld for tax 319 shares at $186.02 of Alnylam Pharmaceuticals¹¹
Dec 22, 2021Shares withheld for tax 2 shares at $190.50 of Alnylam Pharmaceuticals¹¹
Dec 22, 2021Shares withheld for tax 6,315 shares at $189.13 of Alnylam Pharmaceuticals¹¹
Dec 21, 2021Granted 14,167 shares of Alnylam Pharmaceuticals¹¹
Dec 10, 2021Exercised options 2,368 shares at $42.22 of Alnylam Pharmaceuticals¹⁷
Dec 10, 2021Exercised options 839 shares at $119.13 of Alnylam Pharmaceuticals¹⁷
Dec 10, 2021Exercised options 1,124 shares at $88.95 of Alnylam Pharmaceuticals¹⁷
Dec 10, 2021Exercised options 1,036 shares at $96.45 of Alnylam Pharmaceuticals¹⁷
Nov 12, 2021Sold 670 shares at $174.34 of Alnylam Pharmaceuticals¹⁸
Nov 12, 2021Sold 683 shares at $173.25 of Alnylam Pharmaceuticals¹⁸
Nov 12, 2021Sold 14,518 shares at $172.22 of Alnylam Pharmaceuticals¹⁸
Nov 12, 2021Sold 7,742 shares at $171.35 of Alnylam Pharmaceuticals¹⁸
Nov 12, 2021Sold 10,365 shares at $170.36 of Alnylam Pharmaceuticals¹⁸
Nov 12, 2021Exercised options 33,978 shares at $7.10 of Alnylam Pharmaceuticals¹⁸

The numbers on this page point here. Each one links to the record it came from.