William D. Humphries

Companies

• Aclaris Therapeutics, Inc.Board member Sep 2, 2016 to now¹
• Clearside Biomedical, Inc.Board member Jun 1, 2016 to Jun 21, 2024²
• MELA SciencesBoard member Apr 13, 2021 to Jul 7, 2023³
• PhaseBio Pharmaceuticals IncBoard member Sep 15, 2021 to May 19, 2023⁴
• Bausch HealthPresident Jan 7, 2019 to Dec 8, 2020⁵
• Bausch HealthChair Jan 4, 2017 to Jan 5, 2018⁶

Holdings

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

Shares held

• ATAclaris Therapeutics, Inc. ACRS45,105 shares⁷$147.9K at $3.28Jun 5, 2026
• MSMELA Sciences SSKN109,724 shares⁸$22 at $0.00Jul 5, 2023
• PPPhaseBio Pharmaceuticals Inc2,538 shares⁹May 19, 2023
• CBClearside Biomedical, Inc.51,040 shares¹⁰Sep 22, 2023

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

Recent filings

• Jun 5, 2026Exercised options 11,580 shares of Aclaris Therapeutics, Inc.⁷
• Jun 6, 2025Exercised options 4,793 shares of Aclaris Therapeutics, Inc.¹¹
• Jun 1, 2024Exercised options 4,660 shares of Aclaris Therapeutics, Inc.¹²
• Sep 22, 2023Exercised options 22,727 shares at $0.40 of Clearside Biomedical, Inc.¹⁰
• Jul 5, 2023Granted 36,408 shares at $1.03 of MELA Sciences⁸
• Jun 2, 2023Exercised options 4,507 shares of Aclaris Therapeutics, Inc.¹³
• May 19, 2023Exercised options 2,538 shares of PhaseBio Pharmaceuticals Inc⁹
• Jun 3, 2022Exercised options 3,356 shares of Aclaris Therapeutics, Inc.¹⁴
• Mar 25, 2022Bought 16,950 shares at $1.73 of MELA Sciences¹⁵
• Mar 24, 2022Bought 14,783 shares at $1.58 of MELA Sciences¹⁶
• Jan 10, 2022Exercised options 22,727 shares at $0.15 of Clearside Biomedical, Inc.¹⁷