SEC Form 3 · accession 0001209191-18-052345
SUTRO BIOPHARMA, INC. · STRO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
V Bryan Lawlis
Director
Period of report
Sep 26, 2018
Accepted (ET)
Sep 26, 2018 · 6:24 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001382101
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | holding | — | — | — | 2,478 | 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 Common Stock)F1 | $5.09 | holding | — | — | — | — | Jan 14, 2020 | Common Stock | 826 | — | D |
| Stock Option (right to buy Common Stock)F1 | $4.36 | holding | — | — | — | — | Apr 17, 2022 | Common Stock | 6,611 | — | D |
| Stock Option (right to buy Common Stock)F1 | $5.81 | holding | — | — | — | — | Feb 13, 2023 | Common Stock | 873 | — | D |
| Stock Option (right to buy Common Stock)F1 | $5.81 | holding | — | — | — | — | Feb 26, 2024 | Common Stock | 3,540 | — | D |
| Stock Option (right to buy Common Stock)F2 | $11.98 | holding | — | — | — | — | Sep 27, 2025 | Common Stock | 3,269 | — | D |
| Stock Option (right to buy Common Stock)F1 | $11.98 | holding | — | — | — | — | Sep 27, 2025 | Common Stock | 2,427 | — | D |
Explanation of responses
- F1The option is fully vested.
- F2The option vests as to 2.0833% of the total shares monthly, beginning on October 15, 2015, with 100% of the total shares vested and exercisable on September 15, 2019, subject to the reporting person's provision of service to the issuer on each vesting date.