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Alnylam Pharmaceuticals (ALNY) Insider Trading & Ownership

Alnylam Pharmaceuticals logo
$227.02 -5.66 (-2.43%)
Closing price 10/12/2026 04:00 PM Eastern
Extended Trading
$228.12 +1.10 (+0.48%)
As of 10/12/2026 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Alnylam Pharmaceuticals (NASDAQ:ALNY) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
0.86%
Number Of
Insiders Buying
(Last 12 Months)
0
Number Of
Insiders Selling
(Last 12 Months)
8
Amount Of
Insider Selling
(Last 12 Months)
$37.99M
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ALNY Insider Buying and Selling by Quarter

Alnylam Pharmaceuticals Insider and Congressional Trades History

Transaction Date
0 Results
Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
10/2/2026Sell1,758$226.88$398,855.04  
8/11/2026
Cory A. Booker
Cory A. Booker
Senate (D-NJ)
Sell$221.20$1,001 - $15,000
6/1/2026Sell3,830$299.18$1,145,859.40  
4/6/2026Sell2,286$330.42$755,340.12  
4/2/2026Sell1,624$319.59$519,014.16  
3/3/2026Sell1,652$319.73$528,193.96  
3/3/2026Sell1,775$319.74$567,538.50  
3/2/2026Sell2,206$327.65$722,795.90  
3/2/2026Sell1,598$327.65$523,584.70  
3/2/2026Sell1,717$327.66$562,592.22  
3/2/2026Sell1,598$327.65$523,584.70  
3/2/2026Sell6,799$327.65$2,227,692.35  
2/17/2026Sell2,041$331.96$677,530.36  
2/13/2026Sell2,242$310.08$695,199.36  
2/13/2026Sell1,959$310.08$607,446.72  
2/13/2026Sell2,242$310.08$695,199.36  
2/13/2026Sell1,959$310.08$607,446.72  
2/13/2026Sell6,958$310.08$2,157,536.64  
1/13/2026Sell2,290$370.33$848,055.70  
1/12/2026Sell2,780$362.87$1,008,778.60  
1/12/2026Sell1,510$362.87$547,933.70  
1/12/2026Sell1,510$362.87$547,933.70  
1/12/2026Sell1,510$362.87$547,933.70  
1/12/2026Sell9,577$362.86$3,475,110.22  
11/17/2025Sell12,128$452.18$5,484,039.04  
11/13/2025Sell10,000$451.27$4,512,700.00  
11/12/2025Sell15,650$453.69$7,100,248.50  
(Data available from 1/1/2013 forward)

ALNY Insider Trading Activity - Frequently Asked Questions

0.86% of Alnylam Pharmaceuticals stock is owned by insiders. Learn more on ALNY's insider holdings.

The following insiders have sold ALNY shares in the last 24 months: Bryan Supran ($398,855.04), Colleen F Reitan ($8,416,800.00), David E I Pyott ($1,145,859.40), Dennis A Ausiello ($13,729,567.84), Jeffrey V Poulton ($5,431,542.28), Kevin Joseph Fitzgerald ($11,484,453.78), Melissa Mclaughlin ($1,274,354.28), Michael W Bonney ($5,062,500.00), Phillip A. Sharp ($3,093,750.00), Pushkal Garg ($23,003,584.55), Tolga Tanguler ($3,315,549.91), and Yvonne Greenstreet ($43,825,920.67).

Insiders have sold a total of 331,636 Alnylam Pharmaceuticals shares in the last 24 months for a total of $120,182,737.75 sold.

Cory A. Booker (D-NJ) has sold shares of Alnylam Pharmaceuticals in the last year totaling $8,000.



Insider trading data for NASDAQ:ALNY was last updated on 10/2/2026, the date of the most recent reported insider or congressional trade. New trades are added as they're reported.
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