SEC Form 4 · accession 0001209191-17-032046
MERRIMACK PHARMACEUTICALS INC · MACK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Daryl C Drummond
Officer — Head of Research
Period of report
May 12, 2017
Accepted (ET)
May 12, 2017 · 5:00 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001274792
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | May 12, 2017 | M | 4,097 | $2.69 | A | 105,828 | I | By Wife |
| Common Stock | May 12, 2017 | S | 4,097 | $3.72 | D | 101,731 | I | By Wife |
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 | $2.69 | May 12, 2017 | M | 4,097 | D | — | Jul 3, 2017 | Common Stock | 4,097 | 0 | I |
Explanation of responses
- F1This option is fully vested.