Mark J. Enyedy

Companies

• Charles River LaboratoriesBoard member May 29, 2025 to now¹
• BioMarin PharmaceuticalBoard member Dec 28, 2023 to now²
• ImmunoGen Inc.Board member May 19, 2016 to Feb 12, 2024³
• ImmunoGen Inc.Chief executive officer May 19, 2016 to Feb 12, 2024³
• LogicBio Therapeutics, Inc.Board member Mar 19, 2020 to Nov 17, 2022⁴
• Akebia Therapeutics, Inc.Board member Dec 13, 2018 to Jun 9, 2020⁵
• Fate TherapeuticsBoard member Sep 30, 2013 to May 4, 2017⁶

Holdings

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

Shares held

• BioMarin Pharmaceutical BMRN21,040 shares⁷$1.2M at $54.68Jun 2, 2026
• IImmunoGen Inc. IMGN0 shares⁸Feb 12, 2024
• LTLogicBio Therapeutics, Inc.0 shares⁹Nov 16, 2022

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

Recent filings

• Jun 2, 2026Granted 7,490 shares of BioMarin Pharmaceutical⁷
• May 8, 2026Granted 1,438 shares at $177.62 of CIK 1100682¹⁰
• Jun 2, 2025Granted 946 shares at $135.04 of CIK 1100682¹¹
• May 20, 2025Granted 6,650 shares of BioMarin Pharmaceutical¹²
• May 21, 2024Granted 4,720 shares of BioMarin Pharmaceutical¹³
• Feb 12, 2024Returned to company 584,397 shares of ImmunoGen Inc.⁸
• Feb 5, 2024Sold 20,107 shares at $29.28 of ImmunoGen Inc.¹⁴
• Feb 2, 2024Exercised options 51,234 shares of ImmunoGen Inc.¹⁴
• Dec 27, 2023Granted 2,180 shares of BioMarin Pharmaceutical¹⁵
• Aug 4, 2023Sold 992,397 shares at $16.96 of ImmunoGen Inc.¹⁶
• Aug 4, 2023Exercised options 300,000 shares at $5.65 of ImmunoGen Inc.¹⁶
• Aug 4, 2023Exercised options 21,978 shares at $4.55 of ImmunoGen Inc.¹⁶
• Aug 4, 2023Exercised options 782,240 shares at $5.25 of ImmunoGen Inc.¹⁶
• Aug 3, 2023Sold 1,020,000 shares at $16.61 of ImmunoGen Inc.¹⁶
• Aug 3, 2023Exercised options 1,017,240 shares at $4.55 of ImmunoGen Inc.¹⁶
• Aug 3, 2023Exercised options 2,760 shares at $5.25 of ImmunoGen Inc.¹⁶
• Aug 2, 2023Sold 8,636 shares at $18.15 of ImmunoGen Inc.¹⁶
• Aug 2, 2023Sold 986,521 shares at $17.45 of ImmunoGen Inc.¹⁶
• Aug 2, 2023Exercised options 995,157 shares at $4.55 of ImmunoGen Inc.¹⁶
• Jun 30, 2023Granted 5,241 shares at $4.05 of ImmunoGen Inc.¹⁷
• Nov 16, 2022Returned to company 2,921 shares of LogicBio Therapeutics, Inc.⁹
• Jun 30, 2022Granted 3,342 shares at $3.83 of ImmunoGen Inc.¹⁸