Insider Trading & Ownership of John Maraganore

Location: Cambridge, MA
Summary: The estimated net worth of John Maraganore is at least $43,952,443 dollars as of 18 Mar 2026. John Maraganore is the Chief Executive Officer, Director of ALNYLAM PHARMACEUTICALS, INC. and owns shares of ALNYLAM PHARMACEUTICALS, INC. (ALNY) stock worth about $42.77M. John Maraganore is the Director of AGIOS PHARMACEUTICALS, INC. and owns shares of AGIOS PHARMACEUTICALS, INC. (AGIO) stock worth about $617.3K. John Maraganore is the Director of Beam Therapeutics Inc. and owns shares of Beam Therapeutics Inc. (BEAM) stock worth about $564K.
Signature: /s/ Max Heuer, by power of attorney, for John Maraganore
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Ownership of John Maraganore

Symbol	Company	Relationship	Holdings Value	Report Period
ALNY	ALNYLAM PHARMACEUTICALS, INC.	Chief Executive Officer, Director	$42,771,115	21 Dec 2021
AGIO	AGIOS PHARMACEUTICALS, INC.	Director	$617,346	31 Dec 2022
BEAM	Beam Therapeutics Inc.	Director	$563,982	04 Jun 2025
KYMR	Kymera Therapeutics, Inc.	Director		25 Jun 2025
PROK	PROKIDNEY CORP.	Director		29 Jun 2023
RAPP	Rapport Therapeutics, Inc.	Director		17 Jun 2025
TAK, TKPHF	TAKEDA PHARMACEUTICAL CO LTD	Director		18 Mar 2026

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.