William H. Carson

Companies

• Annexon, Inc.Board member Feb 8, 2021 to now¹
• Decibel Therapeutics, Inc.Board member Jun 3, 2021 to Sep 25, 2023²

Holdings

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

Shares held

• AAnnexon, Inc. ANNX78,405 shares³$303.3K at $3.87May 11, 2026
• DTDecibel Therapeutics, Inc.0 shares⁴Sep 25, 2023

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

Recent filings

• May 11, 2026Bought 8,000 shares at $5.78 of Annexon, Inc.³
• Apr 10, 2026Bought 8,000 shares at $6.20 of Annexon, Inc.⁵
• Mar 10, 2026Bought 8,000 shares at $5.67 of Annexon, Inc.⁶
• Dec 30, 2025Bought 4,115 shares at $5.02 of Annexon, Inc.⁷
• Dec 1, 2025Bought 4,115 shares at $4.47 of Annexon, Inc.⁸
• Oct 30, 2025Bought 4,115 shares at $3.17 of Annexon, Inc.⁹
• Sep 30, 2025Bought 4,115 shares at $3.05 of Annexon, Inc.¹⁰
• Sep 2, 2025Bought 4,115 shares at $2.09 of Annexon, Inc.¹¹
• Jul 30, 2025Bought 4,115 shares at $2.43 of Annexon, Inc.¹²
• Jun 30, 2025Bought 4,115 shares at $2.46 of Annexon, Inc.¹³
• Dec 2, 2024Bought 3,200 shares at $5.33 of Annexon, Inc.¹⁴
• Oct 1, 2024Bought 3,200 shares at $5.97 of Annexon, Inc.¹⁵
• Sep 3, 2024Bought 3,200 shares at $5.48 of Annexon, Inc.¹⁶
• Aug 1, 2024Bought 3,200 shares at $6.24 of Annexon, Inc.¹⁷
• Jul 1, 2024Bought 3,200 shares at $5.00 of Annexon, Inc.¹⁸
• Jun 3, 2024Bought 3,200 shares at $4.83 of Annexon, Inc.¹⁹
• May 1, 2024Bought 3,200 shares at $4.68 of Annexon, Inc.²⁰
• Apr 8, 2024Bought 3,200 shares at $6.07 of Annexon, Inc.²¹
• Sep 25, 2023Returned to company 5,000 shares of Decibel Therapeutics, Inc.⁴
• Jun 13, 2023Granted 5,000 shares of Decibel Therapeutics, Inc.²²