There have been 50 recent insider transactions recorded for Alnylam Pharmaceuticals, Inc. (ALNY), including 19 buys and 28 sells. Total insider buying was valued at $27.56M and total insider selling at $8.78M.
Notable insiders with recent activity include Mclaughlin Melissa, Garg Pushkal, Fitzgerald Kevin Joseph. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ALNY
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-06 |
Mclaughlin Melissa |
Chief Human Resources Officer |
Informative Sell |
199 |
$333.94 |
$66.45K |
9,443 |
| 2026-04-02 |
Mclaughlin Melissa |
Chief Human Resources Officer |
Informative Sell |
8 |
$325.49 |
$2.6K |
11,729 |
| 2026-03-25 |
Mclaughlin Melissa |
Chief Human Resources Officer |
Unknown |
3,567 |
$325.07 |
$1.16M |
- |
| 2026-03-05 |
Garg Pushkal |
EVP Chief R&d |
Informative Sell |
500 |
$326.08 |
$163.04K |
18,693 |
| 2026-03-05 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
Informative Sell |
153 |
$326.24 |
$49.91K |
20,569 |
| 2026-03-04 |
Greenstreet Yvonne |
Chief Executive Officer |
Informative Sell |
265 |
$325.67 |
$86.3K |
95,695 |
| 2026-03-04 |
Poulton Jeffrey V. |
EVP, Chief Financial Officer |
Informative Sell |
223 |
$325.67 |
$72.62K |
61,805 |
| 2026-03-04 |
Garg Pushkal |
EVP Chief R&d |
Informative Sell |
208 |
$325.67 |
$67.74K |
21,097 |
| 2026-03-04 |
Tanguler Tolga |
EVP, Chief Commercial Officer |
Informative Sell |
208 |
$325.67 |
$67.74K |
34,297 |
| 2026-03-04 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
Informative Sell |
57 |
$325.67 |
$18.56K |
21,227 |
| 2026-03-03 |
Garg Pushkal |
EVP Chief R&d |
Informative Sell |
463 |
$321.50 |
$148.85K |
23,406 |
| 2026-03-03 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
Informative Sell |
359 |
$321.58 |
$115.45K |
21,860 |
| 2026-03-02 |
Poulton Jeffrey V. |
EVP, Chief Financial Officer |
RSU Award |
10,480 |
$325.07 |
$3.41M |
10,480 |
| 2026-03-02 |
Garg Pushkal |
EVP Chief R&d |
RSU Award |
10,480 |
$325.07 |
$3.41M |
10,480 |
| 2026-03-02 |
Tanguler Tolga |
EVP, Chief Commercial Officer |
Informative Sell |
170 |
$329.71 |
$56.05K |
36,818 |
| 2026-03-02 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
RSU Award |
8,105 |
$325.07 |
$2.63M |
8,105 |
| 2025-06-02 |
Greenstreet Yvonne |
Chief Executive Officer |
Option Exercise (Sell) |
12,080 |
$119.13 |
$1.44M |
839 |
| 2025-05-30 |
Greenstreet Yvonne |
Chief Executive Officer |
Option Exercise (Sell) |
19,559 |
$118.05 |
$2.31M |
8,064 |
| 2025-05-16 |
Greenstreet Yvonne |
Chief Executive Officer |
Gift (Given) |
8,376 |
- |
- |
48,948 |
| 2025-05-15 |
Bonney Michael W |
Director |
Option Exercise (Sell) |
11,250 |
$131.21 |
$1.48M |
- |
| 2025-05-08 |
Pyott David E I |
Director |
RSU Award |
775 |
- |
- |
911 |
| 2025-05-08 |
Bonney Michael W |
Director |
RSU Award |
1,558 |
$258.35 |
$402.51K |
1,558 |
| 2025-05-08 |
Kellogg Peter N |
Director |
RSU Award |
775 |
- |
- |
775 |
| 2025-05-08 |
Hamburg Margaret A |
Director |
RSU Award |
775 |
- |
- |
911 |
| 2025-05-08 |
Ausiello Dennis A |
Director |
RSU Award |
775 |
- |
- |
911 |
| 2025-05-08 |
Schulman Amy W |
Director |
RSU Award |
1,558 |
$258.35 |
$402.51K |
1,558 |
| 2025-05-08 |
Brandicourt Olivier |
Director |
RSU Award |
775 |
- |
- |
775 |
| 2025-05-08 |
Sigal Charles Elliott |
Director |
RSU Award |
775 |
- |
- |
775 |
| 2025-05-08 |
Bertozzi Carolyn R |
Director |
RSU Award |
775 |
- |
- |
775 |
| 2025-05-08 |
Reitan Colleen F |
Director |
RSU Award |
775 |
- |
- |
775 |
| 2025-05-02 |
Greenstreet Yvonne |
Chief Executive Officer |
Gift (Given) |
41,311 |
- |
- |
57,324 |
| 2025-04-16 |
Reitan Colleen F |
Director |
Informative Sell |
36 |
$232.86 |
$8.38K |
- |
| 2025-03-24 |
Pyott David E I |
Director |
Option Exercise (Sell) |
7,440 |
$88.95 |
$661.79K |
- |
| 2025-03-24 |
Garg Pushkal |
CMO & EVP Dev & Med Affairs |
Option Exercise (Sell) |
5,445 |
$42.22 |
$229.89K |
- |
| 2025-03-21 |
Garg Pushkal |
CMO & EVP Dev & Med Affairs |
Informative Sell |
4,321 |
$285.00 |
$1.23M |
20,221 |
| 2025-03-13 |
Schulman Amy W |
Director |
Option Exercise (Sell) |
2,750 |
$131.21 |
$360.83K |
- |
| 2025-03-04 |
Garg Pushkal |
CMO & EVP Dev & Med Affairs |
Informative Sell |
120 |
$242.70 |
$29.12K |
24,542 |
| 2025-03-04 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
Informative Sell |
71 |
$242.93 |
$17.25K |
13,501 |
| 2025-03-03 |
Greenstreet Yvonne |
Chief Executive Officer |
RSU Award |
36,293 |
$243.53 |
$8.84M |
36,293 |
| 2025-03-03 |
Hesslein Robert W. |
EVP, CLO and Secretary |
RSU Award |
1,529 |
$243.53 |
$372.36K |
1,529 |
| 2025-03-03 |
Poulton Jeffrey V. |
EVP, Chief Financial Officer |
RSU Award |
9,800 |
$243.53 |
$2.39M |
9,800 |
| 2025-03-03 |
Garg Pushkal |
CMO & EVP Dev & Med Affairs |
RSU Award |
7,819 |
$243.53 |
$1.9M |
7,819 |
| 2025-03-03 |
Tanguler Tolga |
EVP, Chief Commercial Officer |
RSU Award |
7,819 |
$243.53 |
$1.9M |
7,819 |
| 2025-03-03 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
RSU Award |
7,819 |
$243.53 |
$1.9M |
7,819 |
| 2025-02-28 |
Greenstreet Yvonne |
Chief Executive Officer |
Informative Sell |
214 |
$244.11 |
$52.24K |
84,547 |
| 2025-02-28 |
Poulton Jeffrey V. |
EVP, Chief Financial Officer |
Informative Sell |
59 |
$244.11 |
$14.4K |
33,898 |
| 2025-02-28 |
Garg Pushkal |
CMO & EVP Dev & Med Affairs |
Informative Sell |
69 |
$244.11 |
$16.84K |
12,962 |
| 2025-02-28 |
Tanguler Tolga |
EVP, Chief Commercial Officer |
Informative Sell |
38 |
$244.11 |
$9.28K |
14,345 |
| 2025-02-28 |
Fitzgerald Kevin Joseph |
CSO & EVP, Head of Research |
Informative Sell |
37 |
$244.11 |
$9.03K |
12,385 |
| 2025-02-27 |
Greenstreet Yvonne |
Chief Executive Officer |
Option Exercise (Sell) |
5,921 |
- |
- |
5,921 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
