Matthew R. Henn

Companies

• Seres Therapeutics, Inc.Chief Scientific Officer Feb 11, 2019 to now¹

Holdings

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

Shares held

• STSeres Therapeutics, Inc. MCRB7,995 shares²$19.7K at $2.46Aug 17, 2026

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

Recent filings

• Aug 17, 2026Sold 81 shares at $4.55 of Seres Therapeutics, Inc.²
• Aug 15, 2026Exercised options 238 shares of Seres Therapeutics, Inc.²
• May 18, 2026Sold 77 shares at $7.53 of Seres Therapeutics, Inc.³
• May 15, 2026Exercised options 238 shares of Seres Therapeutics, Inc.³
• Feb 15, 2026Sold 89 shares at $8.47 of Seres Therapeutics, Inc.⁴
• Feb 15, 2026Exercised options 239 shares of Seres Therapeutics, Inc.⁴
• Nov 15, 2025Sold 1,257 shares at $17.30 of Seres Therapeutics, Inc.⁵
• Nov 15, 2025Exercised options 98 shares of Seres Therapeutics, Inc.⁵
• Nov 15, 2025Exercised options 140 shares of Seres Therapeutics, Inc.⁵
• Nov 15, 2025Exercised options 3,998 shares of Seres Therapeutics, Inc.⁵
• Aug 18, 2025Sold 73 shares at $16.65 of Seres Therapeutics, Inc.⁶
• Aug 15, 2025Exercised options 97 shares of Seres Therapeutics, Inc.⁶
• Aug 15, 2025Exercised options 141 shares of Seres Therapeutics, Inc.⁶
• May 16, 2025Sold 77 shares at $7.28 of Seres Therapeutics, Inc.⁷
• May 15, 2025Exercised options 98 shares of Seres Therapeutics, Inc.⁷
• May 15, 2025Exercised options 140 shares of Seres Therapeutics, Inc.⁷
• Feb 18, 2025Sold 3,953 shares at $0.81 of Seres Therapeutics, Inc.⁸
• Feb 15, 2025Exercised options 7,813 shares of Seres Therapeutics, Inc.⁸
• Feb 15, 2025Exercised options 2,813 shares of Seres Therapeutics, Inc.⁸
• Nov 18, 2024Sold 927 shares at $0.54 of Seres Therapeutics, Inc.⁹
• Nov 15, 2024Exercised options 2,812 shares of Seres Therapeutics, Inc.⁹
• Oct 28, 2024Sold 3,984 shares at $0.69 of Seres Therapeutics, Inc.¹⁰
• Oct 27, 2024Exercised options 12,622 shares of Seres Therapeutics, Inc.¹⁰
• Aug 16, 2024Sold 923 shares at $0.84 of Seres Therapeutics, Inc.¹¹
• Aug 15, 2024Exercised options 2,813 shares of Seres Therapeutics, Inc.¹¹