Michael Thomas Henderson

Companies

• Apogee Therapeutics, Inc.Board member Jul 13, 2023 to now¹
• Apogee Therapeutics, Inc.Chief executive officer Jul 13, 2023 to now¹
• Aeglea BioTherapeuticsBoard member Jun 30, 2023 to now²
• ARYA Sciences Acquisition Corp IVBoard member Feb 25, 2021 to Jul 31, 2024³
• BridgeBioOfficer Jun 27, 2019 to Dec 17, 2020⁴

Holdings

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

Shares held

• ABAeglea BioTherapeutics SYRE68,606 shares⁵$5.4M at $79.33Jun 22, 2026
• ATApogee Therapeutics, Inc.0 shares⁶Sep 3, 2026

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

Recent filings

• Sep 3, 2026Returned to company 920,941 shares of Apogee Therapeutics, Inc.⁶
• Jul 10, 2026Gift 75,046 shares of Apogee Therapeutics, Inc.⁷
• Jul 8, 2026Sold 20,000 shares at $133.63 of Apogee Therapeutics, Inc.⁷
• Jun 22, 2026Sold 20,000 shares at $100.00 of Aeglea BioTherapeutics⁵
• Jun 22, 2026Sold 80,000 shares at $132.54 of Apogee Therapeutics, Inc.⁸
• Jun 10, 2026Sold 614 shares at $86.89 of Apogee Therapeutics, Inc.⁹
• Jun 10, 2026Sold 2,305 shares at $86.27 of Apogee Therapeutics, Inc.⁹
• Jun 10, 2026Sold 1,577 shares at $85.19 of Apogee Therapeutics, Inc.⁹
• Jun 10, 2026Sold 1,080 shares at $84.18 of Apogee Therapeutics, Inc.⁹
• Jun 10, 2026Sold 7,654 shares at $82.78 of Apogee Therapeutics, Inc.⁹
• Jun 10, 2026Sold 6,770 shares at $82.21 of Apogee Therapeutics, Inc.⁹
• May 13, 2026Sold 1,341 shares at $82.58 of Apogee Therapeutics, Inc.¹⁰
• May 13, 2026Sold 18,659 shares at $82.05 of Apogee Therapeutics, Inc.¹⁰
• May 8, 2026Sold 19,269 shares at $75.35 of Aeglea BioTherapeutics¹¹
• May 8, 2026Sold 24,814 shares at $74.76 of Aeglea BioTherapeutics¹¹
• May 8, 2026Sold 33,513 shares at $73.72 of Aeglea BioTherapeutics¹¹
• May 8, 2026Sold 2,404 shares at $72.57 of Aeglea BioTherapeutics¹¹
• Apr 16, 2026Exercised options 3,000 shares at $22.86 of Apogee Therapeutics, Inc.¹²
• Apr 8, 2026Sold 200 shares at $85.00 of Apogee Therapeutics, Inc.¹³
• Apr 8, 2026Sold 2,000 shares at $83.26 of Apogee Therapeutics, Inc.¹³
• Apr 8, 2026Sold 17,800 shares at $82.48 of Apogee Therapeutics, Inc.¹³
• Mar 11, 2026Sold 3,418 shares at $75.86 of Apogee Therapeutics, Inc.¹⁴
• Mar 11, 2026Sold 8,219 shares at $74.83 of Apogee Therapeutics, Inc.¹⁴
• Mar 11, 2026Sold 8,363 shares at $74.29 of Apogee Therapeutics, Inc.¹⁴
• Feb 11, 2026Sold 955 shares at $64.99 of Apogee Therapeutics, Inc.¹⁵