SEC Form 4 · accession 0001209191-17-053007
MERRIMACK PHARMACEUTICALS INC · MACK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Russell T Ray
Director
Period of report
Sep 13, 2017
Accepted (ET)
Sep 15, 2017 · 4:49 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001274792
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 | $13.99 | Sep 13, 2017 | A | 7,500 | A | — | Sep 12, 2027 | Common Stock | 7,500 | 7,500 | D |
Explanation of responses
- F1This option is fully vested.