David Arkowitz - Jun 1, 2021 Form 4 Insider Report for Seres Therapeutics, Inc. (MCRB)

Role
Chief Financial Officer
Signature
/s//Thomas J. DesRosier, Attorney-in-Fact for David Arkowitz
Stock symbol
MCRB
Transactions as of
Jun 1, 2021
Transactions value $
$0
Form type
4
Date filed
6/1/2021, 09:25 PM
Previous filing
May 12, 2021
Next filing
Jun 4, 2021

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MCRB Stock Options (right to buy) Award $0 +270K $0.00 270K Jun 1, 2021 Common Stock 270K $20.19 Direct F1
transaction MCRB Restricted Stock Units Award $0 +5K $0.00 5K Jun 1, 2021 Common Stock 5K Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option will vest and become exercisable as to 25% of the shares on June 1, 2022. The remainder of the shares will vest and become exercisable in 12 equal quarterly installments thereafter.
F2 Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F3 100% of the restricted stock units will vest and settle on June 15, 2022. The restricted stock units have no expiration date.