Henn Matthew R sold MCRB
August 15, 2026 · Form 4 insider transaction
Henn Matthew R sold 98 shares of Seres Therapeutics, Inc. at $0.00 per share, 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
Disposed (sell-side)
Shares
98
Price
$0.00
Total value
N/A
InsiderHenn Matthew R
RoleOfficer
SecurityRestricted Stock Units
Transaction codeM: Option exercise
Transaction dateAugust 15, 2026
Filing dateAugust 18, 2026
Shares owned after585
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.; The restricted stock units vested and settled as to 25% of the restricted stock units on February 15, 2025. The remainder of the restricted stock units have vested and settled or will vest and settle in 12 equal quarterly installments thereafter. The restricted stock units have no expiration date.