ALNY Alnylam Pharmaceuticals Inc

NASDAQ
$237.10

Alnylam Pharmaceuticals Inc (ALNY) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Subdued Selling ran below ALNY's own trailing one-year pace, with 32% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
7
125 transactions
Purchases
$0
0 shares
Sales
$12.5M
38,799 shares
Net activity
-$12.5M
purchases less sales

How much of that selling was preplanned? 32% planned / 68% discretionary

10b5-1 plan sales $4.0M 26 transactions · 12,605 shares
Discretionary sales $8.5M 99 transactions · 26,194 shares

Largest single sale: $545.4K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
PYOTT DAVID E I 5 fills Director Sell 10b5-1 3,830 $299.18 $1.1M 4,491 −46% of holding
McLaughlin Melissa 5 fills Chief Human Resources Officer Sell 10b5-1 2,286 $330.42 $755.3K 11,673 −16.4% of holding
McLaughlin Melissa 9 fills Chief Human Resources Officer Sell 1,624 $319.59 $519.0K 13,088 −11% of holding
Garg Pushkal 4 fills EVP Chief R&D Sell 10b5-1 2,404 $323.96 $778.8K 20,443 −10.5% of holding
Fitzgerald Kevin Joseph 4 fills CSO & EVP, Head of Research Sell 10b5-1 658 $323.98 $213.2K 21,103 −3% of holding
Greenstreet Yvonne 8 fills Chief Executive Officer Sell 2,933 $323.08 $947.6K 98,493 −2.9% of holding
Poulton Jeffrey V. 8 fills EVP, Chief Financial Officer Sell 2,468 $323.08 $797.4K 64,159 −3.7% of holding
Garg Pushkal 8 fills EVP Chief R&D Sell 2,309 $323.08 $746.0K 23,300 −9% of holding
Tanguler Tolga 8 fills EVP, Chief Commercial Officer Sell 2,309 $323.08 $746.0K 36,500 −5.9% of holding
Fitzgerald Kevin Joseph 8 fills CSO & EVP, Head of Research Sell 633 $323.08 $204.5K 21,831 −2.8% of holding
Garg Pushkal 4 fills EVP Chief R&D Sell 10b5-1 1,775 $319.74 $567.5K 24,826 −6.7% of holding
Fitzgerald Kevin Joseph 4 fills CSO & EVP, Head of Research Sell 10b5-1 1,652 $319.73 $528.2K 23,223 −6.6% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.