SEC Form 4 · accession 0001209191-19-006208
SUTRO BIOPHARMA, INC. · STRO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stephen Worsley
Officer — Chief Business Officer
Period of report
Jan 29, 2019
Accepted (ET)
Jan 31, 2019 · 5:11 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001382101
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 Common Stock)F1 | $10.45 | Jan 29, 2019 | A | 30,000 | A | — | Jan 28, 2029 | Common Stock | 30,000 | 30,000 | D |
Explanation of responses
- F1The option vests as to 2.0833% of the total shares monthly, beginning on February 28, 2019, with 100% of the total shares vested and exercisable on January 29, 2023, subject to the reporting person's provision of service to the issuer on each vesting date.