Shaff Eric D. sold MCRB
February 15, 2026 · Form 4 insider transaction
Shaff Eric D. sold 259 shares of Seres Therapeutics, Inc. at $8.47 per share, a transaction worth $2.2K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Disposed (sell-side)
Shares
259
Price
$8.47
Total value
$2.2K
InsiderShaff Eric D.
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateFebruary 15, 2026
Filing dateFebruary 18, 2026
Shares owned after11,577
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 instruction adopted by the reporting person on March 2, 2023, solely with the intent to cover taxes in connection with the vesting of the restricted stock units.