David E. Wheadon

Companies

• Seaport Therapeutics, Inc.Board member Apr 30, 2026 to now¹
• IndiviorBoard member Jan 7, 2026 to now²
• Sotera Health CoBoard member May 28, 2021 to now³
• VaxartBoard member Apr 23, 2021 to now⁴
• Karuna TherapeuticsBoard member Dec 3, 2020 to Mar 18, 2024⁵
• ChemoCentryx, Inc.Board member May 31, 2022 to Oct 24, 2022⁶
• Assertio Holdings, Inc.Board member May 21, 2020 to Sep 29, 2020⁷

Holdings

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

Shares held

• SHSotera Health Co SHC89,882 shares⁸$1.6M at $17.64May 22, 2026
• IIndivior INDV30,780 shares⁹$1.0M at $33.61May 13, 2026
• VVaxart VXRT86,150 shares¹⁰$41.4K at $0.48Jul 16, 2026
• KTKaruna Therapeutics KRTX0 shares¹¹Mar 18, 2024

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

Recent filings

• Jul 16, 2026Granted 39,400 shares of Vaxart¹⁰
• May 22, 2026Granted 14,970 shares of Sotera Health Co⁸
• May 13, 2026Granted 10,430 shares of Indivior⁹
• Jan 26, 2026Granted 5,955 shares of Indivior¹²
• Jan 5, 2026Bought 1,771 shares at $35.39 of Indivior¹³
• Jun 13, 2025Granted 16,000 shares of Vaxart¹⁴
• May 22, 2025Granted 19,132 shares of Sotera Health Co¹⁵
• Jun 11, 2024Granted 16,000 shares of Vaxart¹⁶
• May 24, 2024Granted 20,089 shares of Sotera Health Co¹⁷
• Mar 18, 2024Returned to company 990 shares at $330.00 of Karuna Therapeutics¹¹
• Jun 26, 2023Granted 7,375 shares of Vaxart¹⁸
• Jun 20, 2023Granted 990 shares of Karuna Therapeutics¹⁹
• May 26, 2023Granted 15,712 shares of Sotera Health Co²⁰
• Aug 4, 2022Granted 7,375 shares of Vaxart²¹
• May 27, 2022Granted 10,643 shares of Sotera Health Co²²