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A

ALNY

Nasdaq

ALNYLAM PHARMACEUTICALS, INC.

Latest disclosureOctober 6, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 20 sales

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Insider transactions 44

Limited filing history
All44Buying0Selling20Other24
Filters

Last 30 daysNo qualifying insider buying. Sales: $398.86K by 1 insider.

44 trades · April 2, 2026 – October 2, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 44 trades on this page.

Sale disclosed

Bryan Supran

EVP, CLO and Secretary

Common Stock

Reported value
$398.86K
Reported price
$226.88 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Award disclosed

Yvonne Greenstreet

Chief Executive Officer

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded September 19, 2026Filed September 22, 2026SEC filing
Exercise or conversion

David E. I. Pyott

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded June 1, 2026Filed June 3, 2026SEC filing
Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value
$274.19K
Reported price
$297.71 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value
$351.22K
Reported price
$298.91 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value
$366.44K
Reported price
$299.87 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value
$148.86K
Reported price
$300.72 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value
$5.15K
Reported price
$302.65 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Exercise or conversion

David E. I. Pyott

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$70.20 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 1, 2026Filed June 3, 2026SEC filing
Award disclosed

Benjamin Cravatt

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 1, 2026Filed June 3, 2026SEC filing
Award disclosed

Charles Elliott Sigal

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Charles Elliott Sigal

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Amy W. Schulman

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Amy W. Schulman

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Colleen F. Reitan

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Colleen F. Reitan

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

David E. I. Pyott

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

David E. I. Pyott

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Peter N. Kellogg

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Peter N. Kellogg

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Margaret A. Hamburg

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Margaret A. Hamburg

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Olivier Brandicourt

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Olivier Brandicourt

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Dennis A. Ausiello

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Dennis A. Ausiello

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Stuart A. Arbuckle

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Award disclosed

Stuart A. Arbuckle

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 20, 2026Filed May 22, 2026SEC filing
Exercise or conversion

Amy W. Schulman

Director

Common Stock

Value context
$789.75K
Reported price
$70.20 / share
Traded May 13, 2026Filed May 14, 2026SEC filing
Exercise or conversion

Amy W. Schulman

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$70.20 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 13, 2026Filed May 14, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$83.9K
Reported price
$316.61 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$113.96K
Reported price
$317.44 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$66.56K
Reported price
$318.47 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$27.49K
Reported price
$319.69 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$47.13K
Reported price
$320.62 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$72.05K
Reported price
$321.64 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$79.1K
Reported price
$322.86 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$26.21K
Reported price
$323.64 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$2.6K
Reported price
$325.49 / share
Traded April 2, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$17.93K
Reported price
$320.14 / share
Traded April 6, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$299.75K
Reported price
$329.76 / share
Traded April 6, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$273.95K
Reported price
$330.46 / share
Traded April 6, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$97.24K
Reported price
$331.89 / share
Traded April 6, 2026Filed April 7, 2026SEC filing
Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value
$66.45K
Reported price
$333.94 / share
Traded April 6, 2026Filed April 7, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
EVP, CLO and SecretaryCommon StockSale1,758$226.88 / share$398.86KOct 2Filed Oct 6 · 4d laterSEC filing
Chief Executive OfficerCommon StockGrant or award107Award · no purchase priceNon-cash awardSep 19Filed Sep 22 · 3d laterSEC filing
DirectorCommon StockOption exercise or conversion10b5-13,830$0 reported · see filingNot establishedJun 1Filed Jun 3 · 2d laterSEC filing
DirectorCommon StockSale10b5-15 trades3,830avg $299.18 / share$1.15MJun 1Filed Jun 3 · 2d later
5 filings
  • 921 @ $297.71 · $274.19KSEC filing
  • 1,175 @ $298.91 · $351.22KSEC filing
  • 1,222 @ $299.87 · $366.44KSEC filing
  • 495 @ $300.72 · $148.86KSEC filing
  • 17 @ $302.65 · $5.15KSEC filing
DirectorStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units3,830$70.20 exercise / conversion priceNot a separate purchaseJun 1Filed Jun 3 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units4,393Award · no purchase priceNon-cash awardJun 1Filed Jun 3 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award838Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,802Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockGrant or award671Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorStock Option (Right to Buy)Grant or awardDerivative units1,441Award · no purchase priceNon-cash awardMay 20Filed May 22 · 2d laterSEC filing
DirectorCommon StockOption exercise or conversion11,250$70.20 / share$789.75KMay 13Filed May 14 · 1d laterSEC filing
DirectorStock Option (Right to Buy)Option exercise or conversionDerivative units11,250$70.20 exercise / conversion priceNot a separate purchaseMay 13Filed May 14 · 1d laterSEC filing
Chief Human Resources OfficerCommon StockSale10b5-19 trades1,624avg $319.59 / share$519.01KApr 2Filed Apr 7 · 5d later
9 filings
  • 265 @ $316.61 · $83.9KSEC filing
  • 359 @ $317.44 · $113.96KSEC filing
  • 209 @ $318.47 · $66.56KSEC filing
  • 86 @ $319.69 · $27.49KSEC filing
  • 147 @ $320.62 · $47.13KSEC filing
  • 224 @ $321.64 · $72.05KSEC filing
  • 245 @ $322.86 · $79.1KSEC filing
  • 81 @ $323.64 · $26.21KSEC filing
  • 8 @ $325.49 · $2.6KSEC filing
Chief Human Resources OfficerCommon StockSale10b5-15 trades2,286avg $330.42 / share$755.33KApr 6Filed Apr 7 · 1d later
5 filings
  • 56 @ $320.14 · $17.93KSEC filing
  • 909 @ $329.76 · $299.75KSEC filing
  • 829 @ $330.46 · $273.95KSEC filing
  • 293 @ $331.89 · $97.24KSEC filing
  • 199 @ $333.94 · $66.45KSEC filing
Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Source
SEC EDGAR · Form 4
Issuer CIK
0001178670
Latest public acceptance
Oct 6, 2026, 08:12 PM UTC
Score calculated
Oct 7, 2026, 12:07 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Congress transactions 1

All Congress filings
Full sale disclosed

Alnylam Pharmaceuticals, Inc. - Common Stock · Stock

The filing reports a full sale for a spouse.

Cory A Booker official portraitCory A BookerReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
August 11, 2026
Filed September 9, 2026 · 29d laterOriginal report
Limited filing history · Market-wide discovery does not establish complete company history. View coverage