SEC Form 4 · accession 0001735276-18-000058
ALNYLAM PHARMACEUTICALS, INC. · ALNY
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michael Mason
Officer — VP, Finance and Treasurer
Period of report
Aug 21, 2018
Accepted (ET)
Aug 23, 2018 · 4:13 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001178670
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Performance Stock Option 2015 (right to buy) | $88.95 | Aug 21, 2018 | A | 1,800 | A | Aug 21, 2018 | Dec 18, 2025 | Common Stock | 1,800 | 3,600 | D |
Explanation of responses
- F1On December 18, 2015, the reporting person was granted a performance based stock option to purchase shares of ALNY common stock. One quarter of the shares subject to the option will vest upon the achievement of each of four specific clinical development or commercial events, as approved by our compensation committee. Effective August 21, 2018, the compensation committee of the Company determined the second performance criterion had been met and the option vested as to one-quarter of the shares.