Poulton Jeffrey V.'s Form 4 filing
Alnylam Pharmaceuticals, Inc. (ALNY) · filed Jan 14, 2026
- Accession no.
- 0001735276-26-000013
- Filed
- Jan 14, 2026
- Trade date
- Jan 11-12, 2026
- Filing delay
- 3 daysLate
- Rule 10b5-1 plan
- Not checked
This filing lists 22 non-derivative transactions. Open-market sales total $1.01M. It was filed 3 days after the trade, past the 2-business-day deadline.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Poulton Jeffrey V.CIK 0001782962 | Officer (EVP, Chief Financial Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Jan 11, 2026 | Common Stock | AGrant or awardAcquired | +6,193 | $0.00 | $0 | 60,245 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −72 | $353.95F3 | −$25,484.4 | 60,173 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −78 | $355.16F4 | −$27,702.48 | 60,095 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −76 | $356.09F5 | −$27,062.84 | 60,019 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −176 | $357.17F6 | −$62,861.92 | 59,843 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −226 | $358.18F7 | −$80,948.68 | 59,617 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −156 | $359.14F8 | −$56,025.84 | 59,461 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −284 | $360.22F9 | −$102,302.48 | 59,177 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −181 | $361.45F10 | −$65,422.45 | 58,996 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −135 | $362.38F11 | −$48,921.3 | 58,861 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −87 | $363.55F12 | −$31,628.85 | 58,774 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −365 | $364.83F13 | −$133,162.95 | 58,409 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −405 | $365.56F14 | −$148,051.8 | 58,004 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −92 | $366.41F15 | −$33,709.72 | 57,912 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −76 | $367.40F16 | −$27,922.4 | 57,836 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −170 | $368.62F17 | −$62,665.4 | 57,666 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −73 | $369.48F18 | −$26,972.04 | 57,593 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −36 | $370.87F19 | −$13,351.32 | 57,557 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −6 | $372.46F20 | −$2,234.76 | 57,551 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −25 | $374.44F21 | −$9,361 | 57,526 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −34 | $375.65 | −$12,772.1 | 57,492 | Direct | |
| Jan 12, 2026 | Common Stock | SSaleDisposed | −27 | $377.82 | −$10,201.14 | 57,465 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F3
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $353.53 to $354.41. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F4
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $354.54 to $355.53. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F5
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $356.62 to $356.61. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F6
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $356.63 to $357.63. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F7
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $357.68 to $358.68. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F8
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $358.69 to $359.66. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F9
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $359.79 to $360.79. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F10
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $360.90 to $361.89. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F11
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $361.93 to $362.92. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F12
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $362.99 to $363.99. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F13
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $364.00 to $365.00. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F14
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $365.01 to $366.01. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F15
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $366.03 to $366.96. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F16
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $367.04 to $368.00. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F17
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $368.09 to $369.08. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F18
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $369.13 to $369.93. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F19
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $370.43 to $371.23. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F20
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $372.35 to $372.50. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.
- F21
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $374.08 to $374.89. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
Referenced by the price of 1 transaction in Table I.