Henn Matthew R bought MCRB
August 15, 2026 · Form 4 insider transaction
Henn Matthew R bought 238 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
238
Price
N/A
Total value
N/A
InsiderHenn Matthew R
RoleOfficer
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 15, 2026
Filing dateAugust 18, 2026
Shares owned after8,076
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.