Enyedy Mark J

Director at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. · on record since May 11, 2026
Director at FATE THERAPEUTICS INC · on record since Sep 30, 2013
Director at BIOMARIN PHARMACEUTICAL INC · on record since Jun 4, 2026
Director at ImmunoGen, Inc. · on record since May 19, 2016
Director at KERYX BIOPHARMACEUTICALS INC · on record since Sep 13, 2017
Director at Akebia Therapeutics, Inc. · on record since Dec 13, 2018
Director at LogicBio Therapeutics, Inc. · on record since Mar 19, 2020
CHIEF EXECUTIVE OFFICER at ImmunoGen, Inc. · on record since May 19, 2016

Insider trading activity of Enyedy Mark J

Transactions on record: 82; since Jun 9, 2014

Open-market buys: 1; $45.8K

Open-market sells: 8; $53M

Companies traded: 7; last filing Jun 4, 2026

Figures computed from official regulatory filings — .

Companies where Enyedy Mark J has traded

BIOMARIN PHARMACEUTICAL INC4 tx · Jun 4, 2026
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.3 tx · $664.3K · May 11, 2026
ImmunoGen, Inc.50 tx · $103.1M · Feb 12, 2024
LogicBio Therapeutics, Inc.8 tx · Nov 17, 2022
Akebia Therapeutics, Inc.8 tx · Jun 9, 2020
KERYX BIOPHARMACEUTICALS INC5 tx · $366K · Dec 13, 2018
FATE THERAPEUTICS INC4 tx · May 4, 2017

Track record of Enyedy Mark J

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Enyedy Mark J

Co-insiders of Enyedy Mark J

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
BIOMARIN PHARMACEUTICAL INCListing on record	Jun 4, 2026	Award	7,490	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.Listing on record	May 11, 2026	Award	1,438	177.62 USD	$255.4K		SEC
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.Listing on record	Jun 4, 2025	Award	946	135.04 USD	$127.7K		SEC
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.Listing on record	Jun 4, 2025	AwardD (derivative)	2,082	135.04 USD	$281.2K		SEC
BIOMARIN PHARMACEUTICAL INCListing on record	May 22, 2025	Award	6,650	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BIOMARIN PHARMACEUTICAL INCListing on record	May 23, 2024	Award	4,720	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-922,400	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-196,875	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-1,100,000	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-140,357	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-1,100,000	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	Other	-584,397	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-102,466	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-925,000	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 6, 2024	Sell	-20,107	29.28 USD	$588.7K		SEC
ImmunoGen, Inc.Listing unverified	Feb 6, 2024	Exercise	51,234	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Feb 6, 2024	ExerciseD (derivative)	-51,234	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Feb 5, 2024	AwardD (derivative)	140,357	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BIOMARIN PHARMACEUTICAL INCListing on record	Dec 28, 2023	Award	2,180	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-831,147	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-2,760	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-21,978	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	Sell	-986,521	17.45 USD	$17.2M	Unusual size	SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	Exercise	2,760	5.25 USD	$14.5K		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-995,157	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
BIOMARIN PHARMACEUTICAL INCListing on record	Jun 4, 2026	Award	7,490	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.Listing on record	May 11, 2026	Award	1,438	177.62 USD	$255.4K		SEC
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.Listing on record	Jun 4, 2025	Award	946	135.04 USD	$127.7K		SEC
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.Listing on record	Jun 4, 2025	AwardD (derivative)	2,082	135.04 USD	$281.2K		SEC
BIOMARIN PHARMACEUTICAL INCListing on record	May 22, 2025	Award	6,650	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BIOMARIN PHARMACEUTICAL INCListing on record	May 23, 2024	Award	4,720	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-922,400	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-196,875	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-1,100,000	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-140,357	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-1,100,000	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	Other	-584,397	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-102,466	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 12, 2024	OtherD (derivative)	-925,000	—	n/a (No price was disclosed in the filing)		SEC
ImmunoGen, Inc.Listing unverified	Feb 6, 2024	Sell	-20,107	29.28 USD	$588.7K		SEC
ImmunoGen, Inc.Listing unverified	Feb 6, 2024	Exercise	51,234	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Feb 6, 2024	ExerciseD (derivative)	-51,234	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Feb 5, 2024	AwardD (derivative)	140,357	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BIOMARIN PHARMACEUTICAL INCListing on record	Dec 28, 2023	Award	2,180	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-831,147	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-2,760	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-21,978	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	Sell	-986,521	17.45 USD	$17.2M	Unusual size	SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	Exercise	2,760	5.25 USD	$14.5K		SEC
ImmunoGen, Inc.Listing unverified	Aug 4, 2023	ExerciseD (derivative)	-995,157	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC