SEC Form 5 · accession 0001553878-18-000001
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
Dec 31, 2017
Accepted (ET)
Feb 9, 2018 · 5:04 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001178670
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Sep 22, 2017 | I | 1,950 | $115.47 | D | 226 | I | By Managed Account |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The reporting person has diversified his retirement plan by selling shares of ALNY common stock in his 401(k) plan received from the ALNY 401(k) matching contribution program.