Insider Trading & Ownership of JOHN MARAGANORE

Location: Cambridge, MA
Summary: The estimated net worth of JOHN MARAGANORE is at least $44,996,363 dollars as of 26 Jun 2025. 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 PROKIDNEY CORP. and owns shares of PROKIDNEY CORP. (PROK) stock worth about $920.6K. JOHN MARAGANORE is the Director of AGIOS PHARMACEUTICALS, INC. and owns shares of AGIOS PHARMACEUTICALS, INC. (AGIO) stock worth about $740.7K. JOHN MARAGANORE is the Director of Beam Therapeutics Inc. and owns shares of Beam Therapeutics Inc. (BEAM) stock worth about $564K.
Signature: /s/ Bruce Jacobs, as Attorney-in-Fact
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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
PROK	PROKIDNEY CORP.	Director	$920,590	29 Jun 2023
AGIO	AGIOS PHARMACEUTICALS, INC.	Director	$740,676	31 Dec 2022
BEAM	Beam Therapeutics Inc.	Director	$563,982	04 Jun 2025
KYMR	Kymera Therapeutics, Inc.	Director		25 Jun 2025
RAPP	Rapport Therapeutics, Inc.	Director		17 Jun 2025

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.