| Accession Number: | 0001735276-20-000086 |
| Date: | 2020-07-09 |
| Issuer: | ALNYLAM PHARMACEUTICALS, INC. (ALNY) |
| Original Submission Date: |
GREENSTREET YVONNE
675 WEST KENDALL STREET
HENRI A. TERMEER SQUARE
CAMBRIDGE, MA 02142
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| COMMON STOCK | 2020-07-09 | M | 10,939 | a | $42.22 | 15,759 | direct | ||
| COMMON STOCK | 2020-07-09 | M | 297 | a | $77.10 | 16,056 | direct | ||
| COMMON STOCK | 2020-07-09 | S | 11,236 | d | $161.00 | 4,820 | direct | ||
| COMMON STOCK | 2020-07-09 | 0 | $0.00 | 407 | indirect | f2 |
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STOCK OPTION (RIGHT TO BUY) | 42.22 | 2020-07-09 | deemed execution date | M | 10,939 (d) | 2026-12-20 | common stock 10,939 | $42.22 | 3,125 | direct | ||
| STOCK OPTION (RIGHT TO BUY) | 77.1 | 2020-07-09 | deemed execution date | M | 297 (d) | 2026-09-18 | common stock 297 | $77.10 | 74,703 | direct |
| ID | footnote |
|---|---|
| f1 | all sales reported on this form 4 were made pursuant to a rule 10b5-1 trading plan adopted by the reporting person on may 08, 2020. |
| f2 | reflects shares of alny common stock acquired by the reporting person under the alny 401(k) plan as a result of the alny 401(k) matching contribution program. |
| f3 | the stock option vested as to 25% of the shares on the 1st anniversary of the date of the stock option grant and as to an additional 6.25% of the shares each successive three month period thereafter. |
