SEC Form 4 · accession 0001209191-18-038082
MERRIMACK PHARMACEUTICALS INC · MACK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Russell T Ray
Director
Period of report
Jun 13, 2018
Accepted (ET)
Jun 15, 2018 · 4:34 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 | $9.67 | Jun 13, 2018 | A | 7,000 | A | — | Jun 12, 2028 | Common Stock | 7,000 | 7,000 | D |
Explanation of responses
- F1This option vests as to 1/4th of the total number of shares on 9/13/18 and an additional 1/4th of the total number of shares at the end of each successive three month period thereafter until 6/13/19, provided that such option shall vest in full on the date that is one business day prior to the date of the issuer's next annual meeting of stockholders (if earlier than 6/13/19).