Filing Details
- Accession Number:
- 0001735276-25-000075
- Form Type:
- 4
- Zero Holdings:
- No
- Publication Time:
- 2025-06-03 16:10:42
- Reporting Period:
- 2025-05-30
- Filing Date:
- 2025-06-03
- Accepted Time:
- 2025-06-03 16:10:42
- SEC Url:
- Form 4 Filing
Issuer
| Cik | Name | Symbol | Sector (SIC) | IRS No |
|---|---|---|---|---|
| 1178670 | Alnylam Pharmaceuticals Inc. | ALNY | Pharmaceutical Preparations (2834) | 770602661 |
Insiders
| Cik | Name | Reported Address | Insider Title | Director | Officer | Large Shareholder | Other |
|---|---|---|---|---|---|---|---|
| 1446125 | Yvonne Greenstreet | 675 West Kendall Street Henri A. Termeer Square Cambridge MA 02142 | Chief Executive Officer | Yes | Yes | No | No |
Transaction Summary
| Sold: | 50,937 shares | Avg. Price: $305.00 | Total Value: $15,535,784.00 |
| Number of Shares After Transactions: | 48,948 shares | ||
Reported Non-Derivative Transactions
| Sec. Name | Acquisiton - Disposition | Date | Amount | Price | Remaning Holdings | Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Acquisiton | 2025-05-30 | 12,081 | $119.13 | 61,029 | No | 4 | M | Direct | |
| Common Stock | Acquisiton | 2025-05-30 | 19,559 | $118.05 | 80,588 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2025-05-30 | 25,469 | $304.00 | 55,119 | No | 4 | S | Direct | |
| Common Stock | Disposition | 2025-05-30 | 6,171 | $306.00 | 48,948 | No | 4 | S | Direct | |
| Common Stock | Acquisiton | 2025-06-02 | 12,080 | $119.13 | 61,028 | No | 4 | M | Direct | |
| Common Stock | Acquisiton | 2025-06-02 | 7,217 | $118.05 | 68,245 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2025-06-02 | 19,297 | $306.00 | 48,948 | No | 4 | S | Direct |
| Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|
| No | 4 | M | Direct | |
| No | 4 | M | Direct | |
| No | 4 | S | Direct | |
| No | 4 | S | Direct | |
| No | 4 | M | Direct | |
| No | 4 | M | Direct | |
| No | 4 | S | Direct |
Reported Derivative Transactions
| Sec. Name | Sec. Type | Acquisiton - Disposition | Date | Amount | Price | Amount - 2 | Price - 2 |
|---|---|---|---|---|---|---|---|
| Common Stock | Stock Option (right to buy) | Disposition | 2025-05-30 | 19,559 | $0.00 | 19,559 | $118.05 |
| Common Stock | Stock Option (right to buy) | Disposition | 2025-06-02 | 7,217 | $0.00 | 7,217 | $118.05 |
| Common Stock | Stock Option (right to buy) | Disposition | 2025-05-30 | 12,081 | $0.00 | 12,081 | $119.13 |
| Common Stock | Stock Option (right to buy) | Disposition | 2025-06-02 | 12,080 | $0.00 | 12,080 | $119.13 |
| Remaning Holdings | Exercise Date | Expiration Date | Equity Swap Involved | Transaction Form Type | Transaction Code | Nature of Ownership |
|---|---|---|---|---|---|---|
| 8,064 | 2030-02-25 | No | 4 | M | Direct | |
| 847 | 2030-02-25 | No | 4 | M | Direct | |
| 12,919 | 2028-02-28 | No | 4 | M | Direct | |
| 839 | 2028-02-28 | No | 4 | M | Direct |
Reported Non-Derivative Holdings
| Sec. Name | Remaning Holdings | Nature of Ownership | Explanation |
|---|---|---|---|
| Common Stock | 407 | Indirect | by Managed Account |
Footnotes
- The transactions reported on this Form 4 were made pursuant to a Rule 10b5-1(c) trading plan adopted by the reporting person on September 12, 2024.
- Reflects shares of ALNY common stock acquired by the Reporting Person under the issuer 401(k) plan as a result of the issuer 401(k) matching contribution program.
- This stock option was fully vested and exercisable as of February 26, 2024.
- This stock option was fully vested and exercisable as of December 1, 2021.
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