Thomas DesRosier

Insider Reports History

Location
Lexington, MA
Signature
/s/ Thomas J. DesRosier
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Thomas DesRosier:

Company Role Class Num Shares Value Price $ Report Date Ownership
Seres Therapeutics, Inc. Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President Common Stock 7,623 $131,877 $17.30 15 Nov 2025 Direct
Seres Therapeutics, Inc. Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President Restricted Stock Units 1,001 $21,655 $0.8105 15 Nov 2025 Direct
Seres Therapeutics, Inc. Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President Stock Option (Right to Buy) 650,000 07 Feb 2025 Direct

Insider Reports Filed by Thomas DesRosier

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MCRB Seres Therapeutics, Inc. 15 Nov 2025 5 -$1,315 4 Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President 18 Nov 2025, 16:30
MCRB Seres Therapeutics, Inc. 15 Aug 2025 5 -$1,265 4 Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President 19 Aug 2025, 16:07
MCRB Seres Therapeutics, Inc. 15 May 2025 5 -$575 4 Chief Legal Officer and EVP 19 May 2025, 16:05
MCRB Seres Therapeutics, Inc. 15 Feb 2025 5 -$3,485 4 Chief Legal Officer and EVP 19 Feb 2025, 20:07
MCRB Seres Therapeutics, Inc. 07 Feb 2025 1 $0 4 Chief Legal Officer and EVP 11 Feb 2025, 16:15
MCRB Seres Therapeutics, Inc. 15 Nov 2024 3 -$475 4 Chief Legal Officer and EVP 19 Nov 2024, 16:21
MCRB Seres Therapeutics, Inc. 27 Oct 2024 3 -$2,939 4 Chief Legal Officer and EVP 29 Oct 2024, 18:26
MCRB Seres Therapeutics, Inc. 15 Aug 2024 3 -$733 4 Chief Legal Officer and EVP 19 Aug 2024, 17:48
MCRB Seres Therapeutics, Inc. 15 May 2024 3 -$792 4 Chief Legal Officer and EVP 17 May 2024, 20:14
MCRB Seres Therapeutics, Inc. 14 Feb 2024 6 -$4,254 4 Chief Legal Officer and EVP 16 Feb 2024, 21:48
MCRB Seres Therapeutics, Inc. 27 Oct 2023 4 -$5,611 4 Chief Legal Officer and EVP 31 Oct 2023, 21:39
MCRB Seres Therapeutics, Inc. 03 Feb 2023 2 $0 4 Chief Legal Officer and EVP 07 Feb 2023, 16:45
MCRB Seres Therapeutics, Inc. 05 Jul 2022 1 +$200,000 4 Chief Legal Officer and EVP 06 Jul 2022, 19:29
MCRB Seres Therapeutics, Inc. 04 Feb 2022 1 $0 4 Chief Legal Officer and EVP 08 Feb 2022, 20:30