Mary Christina Thomson - Mar 15, 2021 Form 4 Insider Report for Sierra Oncology, Inc. (SRRA)

Signature
/s/ Sukhi Jagpal Attorney-In-Fact for Mary Christina Thomson
Stock symbol
SRRA
Transactions as of
Mar 15, 2021
Transactions value $
$0
Form type
4
Date filed
6/28/2021, 09:34 PM
Previous filing
Jun 28, 2021
Next filing
Jan 28, 2022

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 SRRA Stock Option (Right to Buy) Award $0 +12.9K $0.00 12.9K Mar 15, 2021 Common Stock 12.9K $16.73 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option vests as to 25% of the total shares subject to the option on March 15, 2022, and then 2.0833% of the shares subject to the option vest monthly thereafter, with 100% of the total shares subject to the option vested on March 15, 2025, subject to Reporting Person's provision of service to the Issuer on each vesting date.

Remarks:

TIMELY FILED PREVIOUSLY, UNDER DUPLICATE CIK# 0001819240 (Reporting Person: "Christina Thomson"), THE USE OF WHICH WILL BE DISCONTINUED.