SEC Form 4 · accession 0001485003-16-000050
Sesen Bio, Inc. · SESN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Abbie Celniker
Officer — President and CEO · Director
Period of report
Feb 25, 2016
Accepted (ET)
Feb 29, 2016 · 5:11 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001485003
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)F1 | $0.28 | Feb 25, 2016 | A | 113,250 | A | — | Feb 24, 2026 | Common Stock | 113,250 | 113,250 | D |
| Stock Option (Right to Buy)F2 | $0.28 | Feb 25, 2016 | A | 90,000 | A | — | Feb 24, 2026 | Common Stock | 90,000 | 90,000 | D |
Explanation of responses
- F1This option was granted February 25, 2016 and vests over four years in equal quarterly installments, with the first installment vesting on March 31, 2016.
- F2This option was granted on February 25, 2016 and vests over two years in equal monthly installments, with the first installment vesting on March 25, 2016.