SEC Form 4 · accession 0001209191-16-101984
Sierra Oncology, Inc. · SRRA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Wendy Chapman
Officer — SVP Clinical Operations
Period of report
Feb 22, 2016
Accepted (ET)
Feb 24, 2016 · 5:07 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001290149
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Feb 22, 2016 | M | 3,000 | $0.969 | A | 3,000 | D | |
| Common Stock | Feb 22, 2016 | S | 3,000 | $7.06 | D | 0 | D |
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)F2 | $0.969 | Feb 22, 2016 | M | 3,000 | D | — | Sep 22, 2024 | Common Stock | 3,000 | 79,248 | D |
Explanation of responses
- F1The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
- F2The option vests as to 25% of the total shares on September 22, 2015, and then 2.0833% of the total shares vest monthly thereafter, with 100% of the total shares vested on September 22, 2018, subject to the reporting person's provision of service to the issuer on each vesting date. The option is immediately exercisable.