Richard Douglas

Companies

• MaxCyte (United States)Board member Jul 29, 2021 to now¹
• Aldeyra Therapeutics, Inc.Board member Sep 14, 2016 to now²
• NovavaxBoard member Aug 11, 2010 to now³

Holdings

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

Shares held

• Novavax NVAX73,220 shares⁴$938.7K at $12.82Jun 20, 2026
• MUMaxCyte (United States) MXCT260,998 shares⁵$339.3K at $1.30Jun 17, 2026
• ATAldeyra Therapeutics, Inc. ALDX195,000 shares⁶$148.4K at $0.76Mar 19, 2026

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

Recent filings

• Jun 20, 2026Exercised options 18,880 shares of Novavax⁴
• Jun 17, 2026Granted 30,421 shares of MaxCyte (United States)⁵
• Mar 19, 2026Bought 70,000 shares at $1.40 of Aldeyra Therapeutics, Inc.⁶
• Aug 13, 2025Bought 80,000 shares at $1.39 of MaxCyte (United States)⁷
• Jun 18, 2025Granted 29,210 shares of MaxCyte (United States)⁸
• Jun 12, 2025Exercised options 10,420 shares of Novavax⁹
• Jun 12, 2024Exercised options 6,670 shares of Novavax¹⁰
• Jun 11, 2024Granted 21,367 shares of MaxCyte (United States)¹¹
• Jun 10, 2023Exercised options 3,100 shares of Novavax¹²
• Mar 29, 2023Bought 80,000 shares at $4.32 of MaxCyte (United States)¹³
• Jun 17, 2022Exercised options 700 shares of Novavax¹⁴
• Dec 13, 2021Exercised options 1,500 shares at $25.60 of Novavax¹⁵
• Nov 22, 2021Bought 20,000 shares at $11.12 of MaxCyte (United States)¹⁶