Henn Matthew R bought MCRB
March 4, 2026 · Form 4 insider transaction
Henn Matthew R bought 75,000 shares of Seres Therapeutics, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
75,000
Price
$0.00
Total value
N/A
InsiderHenn Matthew R
RoleOfficer
SecurityStock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateMarch 4, 2026
Filing dateMarch 6, 2026
Shares owned after75,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The option will vest as to 25% of the shares on March 2, 2027. The remainder of the shares will vest in 12 equal quarterly installments thereafter.