M. Kathleen Behrens

Companies

• IGM Biosciences, Inc.Board member Sep 17, 2019 to now¹
• MIMEDX GROUP, INC.Board member Jun 28, 2019 to now²
• Sarepta TherapeuticsBoard member Apr 2, 2009 to now³
• Amylin PharmaceuticalsBoard member Jun 10, 2009 to Aug 10, 2012⁴

Holdings

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

Shares held

• Sarepta Therapeutics SRPT224,357 shares⁵$4.0M at $17.71Jun 5, 2026
• MMIMEDX GROUP, INC. MDXG212,771 shares⁶$927.7K at $4.36Jun 18, 2025
• IBIGM Biosciences, Inc.0 shares⁷Aug 14, 2025

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

Recent filings

• Jun 4, 2026Granted 16,875 shares of Sarepta Therapeutics⁵
• Jan 27, 2026Shares withheld for tax 6,494 shares at $22.17 of Sarepta Therapeutics⁸
• Jan 27, 2026Exercised options 10,500 shares at $13.71 of Sarepta Therapeutics⁸
• Aug 14, 2025Returned to company 29,806 shares of IGM Biosciences, Inc.⁷
• Aug 14, 2025Returned to company 29,807 shares of IGM Biosciences, Inc.⁷
• Aug 14, 2025Returned to company 330,700 shares of IGM Biosciences, Inc.⁷
• Aug 14, 2025Returned to company 22,222 shares of IGM Biosciences, Inc.⁷
• Jun 30, 2025Granted 1,471 shares of IGM Biosciences, Inc.⁹
• Jun 18, 2025Granted 28,609 shares at $6.47 of MIMEDX GROUP, INC.⁶
• Mar 31, 2025Granted 1,471 shares of IGM Biosciences, Inc.¹⁰
• Mar 10, 2025Granted 2,383 shares of Sarepta Therapeutics¹¹
• Dec 31, 2024Granted 3,078 shares of IGM Biosciences, Inc.¹²
• Sep 30, 2024Granted 3,078 shares of IGM Biosciences, Inc.¹³
• Sep 4, 2024Gift 746 shares of Sarepta Therapeutics¹⁴
• Jul 3, 2024Exercised options 15,000 shares at $13.90 of Sarepta Therapeutics¹⁵
• Jun 28, 2024Granted 3,078 shares of IGM Biosciences, Inc.¹⁶
• Jun 5, 2024Granted 23,190 shares at $7.26 of MIMEDX GROUP, INC.¹⁷
• Mar 29, 2024Granted 3,078 shares of IGM Biosciences, Inc.¹⁸
• Mar 1, 2024Granted 1,846 shares of Sarepta Therapeutics¹⁹
• Dec 29, 2023Granted 800 shares of IGM Biosciences, Inc.²⁰
• Nov 3, 2023Exercised options 15,000 shares at $29.03 of Sarepta Therapeutics²¹
• Sep 29, 2023Granted 800 shares of IGM Biosciences, Inc.²²
• Jun 30, 2023Granted 800 shares of IGM Biosciences, Inc.²³
• Jun 26, 2023Bought 112,500 shares at $8.00 of IGM Biosciences, Inc.²⁴
• Jun 13, 2023Granted 35,354 shares at $4.95 of MIMEDX GROUP, INC.²⁵