ALNY
Alnylam Pharmaceuticals Inc
NASDAQ: ALNY · HEALTHCARE · BIOTECHNOLOGY
$301.19
-0.30% today
Updated 2026-04-29
Market cap
$40.19B
P/E ratio
129.82
P/S ratio
10.82x
EPS (TTM)
$2.32
Dividend yield
—
52W range
$246 – $496
Volume
1.1M
Alnylam Pharmaceuticals Inc (ALNY) Insider transactions
Net insider activity
Net buying (163,909 shares)
Buy transactions
9
Sell transactions
91
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-06 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 909 | $329.76 | $299751.84 |
| 2026-04-06 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 829 | $330.46 | $273951.34 |
| 2026-04-06 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 293 | $331.89 | $97243.77 |
| 2026-04-06 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 199 | $333.94 | $66454.06 |
| 2026-04-06 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 56 | $320.14 | $17927.84 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 359 | $317.44 | $113960.96 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 265 | $316.61 | $83901.65 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 245 | $322.86 | $79100.70 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 224 | $321.64 | $72047.36 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 209 | $318.47 | $66560.23 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 147 | $320.62 | $47131.14 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 86 | $319.69 | $27493.34 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 81 | $323.64 | $26214.84 |
| 2026-04-02 | MCLAUGHLIN, MELISSA | Chief Human Resources Officer | Sale | 8 | $325.49 | $2603.92 |
| 2026-03-05 | GARG, PUSHKAL | EVP Chief R&D | Sale | 740 | $323.55 | $239427.00 |
| 2026-03-05 | GARG, PUSHKAL | EVP Chief R&D | Sale | 654 | $322.33 | $210803.82 |
| 2026-03-05 | GARG, PUSHKAL | EVP Chief R&D | Sale | 510 | $324.59 | $165540.90 |
| 2026-03-05 | GARG, PUSHKAL | EVP Chief R&D | Sale | 500 | $326.08 | $163040.00 |
| 2026-03-05 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 233 | $323.25 | $75317.25 |
| 2026-03-05 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 153 | $326.24 | $49914.72 |
| 2026-03-05 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 148 | $324.60 | $48040.80 |
| 2026-03-05 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 124 | $321.81 | $39904.44 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 767 | $323.84 | $248385.28 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 350 | $323.01 | $113053.50 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 289 | $321.82 | $93005.98 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 272 | $324.88 | $88367.36 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 215 | $320.81 | $68974.15 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 208 | $325.67 | $67739.36 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 106 | $319.03 | $33817.18 |
| 2026-03-04 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 102 | $320.01 | $32641.02 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 818 | $323.84 | $264901.12 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 374 | $323.01 | $120805.74 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 309 | $321.82 | $99442.38 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 291 | $324.88 | $94540.08 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 230 | $320.81 | $73786.30 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 223 | $325.67 | $72624.41 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 114 | $319.03 | $36369.42 |
| 2026-03-04 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 109 | $320.01 | $34881.09 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 973 | $323.84 | $315096.32 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 444 | $323.01 | $143416.44 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 368 | $321.82 | $118429.76 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 345 | $324.88 | $112083.60 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 274 | $320.81 | $87901.94 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 265 | $325.67 | $86302.55 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 135 | $319.03 | $43069.05 |
| 2026-03-04 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 129 | $320.01 | $41281.29 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 767 | $323.84 | $248385.28 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 350 | $323.01 | $113053.50 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 289 | $321.82 | $93005.98 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 272 | $324.88 | $88367.36 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 215 | $320.81 | $68974.15 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 208 | $325.67 | $67739.36 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 106 | $319.03 | $33817.18 |
| 2026-03-04 | GARG, PUSHKAL | EVP Chief R&D | Sale | 102 | $320.01 | $32641.02 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 210 | $323.84 | $68006.40 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 96 | $323.01 | $31008.96 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 79 | $321.82 | $25423.78 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 75 | $324.88 | $24366.00 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 59 | $320.81 | $18927.79 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 57 | $325.67 | $18563.19 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 29 | $319.03 | $9251.87 |
| 2026-03-04 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 28 | $320.01 | $8960.28 |
| 2026-03-03 | GARG, PUSHKAL | EVP Chief R&D | Sale | 640 | $320.48 | $205107.20 |
| 2026-03-03 | GARG, PUSHKAL | EVP Chief R&D | Sale | 463 | $321.50 | $148854.50 |
| 2026-03-03 | GARG, PUSHKAL | EVP Chief R&D | Sale | 355 | $316.74 | $112442.70 |
| 2026-03-03 | GARG, PUSHKAL | EVP Chief R&D | Sale | 317 | $319.06 | $101142.02 |
| 2026-03-03 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 722 | $320.51 | $231408.22 |
| 2026-03-03 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 359 | $321.58 | $115447.22 |
| 2026-03-03 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 289 | $316.55 | $91482.95 |
| 2026-03-03 | FITZGERALD, KEVIN JOSEPH | CSO & EVP, Head of Research | Sale | 282 | $318.62 | $89850.84 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Buy | 10,480 | — | — |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Buy | 4,769 | — | — |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 392 | $326.81 | $128109.52 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 329 | $327.67 | $107803.43 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 258 | $325.63 | $84012.54 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 170 | $329.71 | $56050.70 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 100 | $328.71 | $32871.00 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 94 | $331.93 | $31201.42 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 90 | $324.65 | $29218.50 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 81 | $330.85 | $26798.85 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 47 | $323.62 | $15210.14 |
| 2026-03-02 | TANGULER, TOLGA | EVP, Chief Commercial Officer | Sale | 37 | $332.64 | $12307.68 |
| 2026-03-02 | SUPRAN, BRYAN | EVP, CLO and Secretary | Buy | 3,381 | — | — |
| 2026-03-02 | SUPRAN, BRYAN | EVP, CLO and Secretary | Buy | 1,539 | — | — |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Buy | 10,480 | — | — |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Buy | 4,769 | — | — |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 541 | $326.81 | $176804.21 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 454 | $327.67 | $148762.18 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 356 | $325.63 | $115924.28 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 234 | $329.71 | $77152.14 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 138 | $328.71 | $45361.98 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 129 | $331.93 | $42818.97 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 124 | $324.65 | $40256.60 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 112 | $330.85 | $37055.20 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 65 | $323.62 | $21035.30 |
| 2026-03-02 | POULTON, JEFFREY V. | EVP, Chief Financial Officer | Sale | 53 | $332.64 | $17629.92 |
| 2026-03-02 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Buy | 110,746 | — | — |
| 2026-03-02 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Buy | 30,425 | — | — |
| 2026-03-02 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Buy | 13,844 | — | — |
| 2026-03-02 | GREENSTREET, YVONNE | Director, Chief Executive Officer | Sale | 1,669 | $326.81 | $545445.89 |