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Company profile

ALNYLAM PHARMACEUTICALS, INC. insider acquisitions

Company CIK 0001178670 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
ALNY · Nasdaq

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 22, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate

No records are loaded for this 30-day transaction window. This does not establish that no transactions occurred.

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Greenstreet YvonneGreenstreet YvonneFitzgerald Kevin JosephFitzgerald Kevin JosephGreenstreet Yvonne · November 26, 2025 · Exercise / conversion · Common StockGreenstreet Yvonne · November 26, 2025 · Exercise / conversion · Common StockGreenstreet Yvonne · November 26, 2025 · Exercise / conversion · Common StockGreenstreet Yvonne · November 26, 2025 · Exercise / conversion · Common StockFitzgerald Kevin Joseph · November 17, 2025 · Exercise / conversion · Common StockGreenstreet Yvonne · November 13, 2025 · Exercise / conversion · Common StockGreenstreet Yvonne · November 12, 2025 · Exercise / conversion · Common StockGreenstreet Yvonne · November 12, 2025 · Exercise / conversion · Common StockNov 12, 2025Nov 26, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

8 dated transactions · 2 of 2 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Nov 26, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion
Nov 26, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion
Nov 26, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion
Nov 26, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion
Nov 17, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockFitzgerald Kevin JosephExercise / conversion
Nov 13, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion
Nov 12, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion
Nov 12, 2025ALNYLAM PHARMACEUTICALS, INC.Common StockGreenstreet YvonneExercise / conversion

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

ALNY · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

Reset
Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M659151.59Value: 99,897.81Currency not specifiedView ↗
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M847118.05Value: 99,988.35Currency not specifiedView ↗
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M2,35285Value: 199,920Currency not specifiedView ↗
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M839119.13Value: 99,950.07Currency not specifiedView ↗
Trade:
Fitzgerald Kevin JosephCSO & EVP, Head of Research
Exercise / conversionCommon StockNon-derivative security · Code M8,161119.13Value: 972,219.93Currency not specifiedView ↗
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M10,000119.13Value: 1,191,300Currency not specifiedView ↗
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M15,000119.13Value: 1,786,950Currency not specifiedView ↗
Trade:
Greenstreet YvonneChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M65042.22Value: 27,443Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →