DesRosier Thomas bought MCRB
November 15, 2025 · Form 4 insider transaction
DesRosier Thomas bought 112 shares of Seres Therapeutics, Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
112
Price
N/A
Total value
N/A
InsiderDesRosier Thomas
RoleOfficer
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateNovember 15, 2025
Filing dateNovember 18, 2025
Shares owned after7,699
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.