SEC Form 4 · accession 0001209191-17-001599
Sierra Oncology, Inc. · SRRA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Kowalski
Officer — Chief Medical Officer
Period of report
Jan 3, 2017
Accepted (ET)
Jan 4, 2017 · 8:22 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001290149
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy Class A Common Stock)F1 | $1.54 | Jan 3, 2017 | A | 300,000 | A | — | Jan 3, 2027 | Common Stock | 300,000 | 300,000 | D |
Explanation of responses
- F1The option vests as to 25% of the total shares on January 3, 2018, and then 2.0833% of the total shares vest monthly thereafter, with 100% of the total shares vested on January 3, 2021, subject to the reporting person's provision of service to the issuer on each vesting date.