Shaff Eric D. sold MCRB
February 15, 2026 · Form 4 insider transaction
Shaff Eric D. sold 391 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
391
Price
$0.00
Total value
N/A
InsiderShaff Eric D.
RoleDirector
SecurityRestricted Stock Units
Transaction codeM: Option exercise
Transaction dateFebruary 15, 2026
Filing dateFebruary 18, 2026
Shares owned after1,564
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, 2024. 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.