ALNY

Nasdaq

ALNYLAM PHARMACEUTICALS, INC.

Latest disclosureOctober 6, 2026

Insider score Why 0?: 0/ 100
Qualifying buys · 30d: $0

0 purchases · 20 sales

Price by TradingView

Insider transactions 44

Limited filing history

Filters

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

Showing the first 6 of 20 trades on this page.

Sale disclosed

Bryan Supran

EVP, CLO and Secretary

Common Stock

Reported value: $398.86K
Reported price: $226.88 / share

Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value: $274.19K
Reported price: $297.71 / share

Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value: $351.22K
Reported price: $298.91 / share

Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value: $366.44K
Reported price: $299.87 / share

Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value: $148.86K
Reported price: $300.72 / share

Sale disclosed

David E. I. Pyott

Director

Common Stock

Reported value: $5.15K
Reported price: $302.65 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $83.9K
Reported price: $316.61 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $113.96K
Reported price: $317.44 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $66.56K
Reported price: $318.47 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $27.49K
Reported price: $319.69 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $47.13K
Reported price: $320.62 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $72.05K
Reported price: $321.64 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $79.1K
Reported price: $322.86 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $26.21K
Reported price: $323.64 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $2.6K
Reported price: $325.49 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $17.93K
Reported price: $320.14 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $299.75K
Reported price: $329.76 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $273.95K
Reported price: $330.46 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $97.24K
Reported price: $331.89 / share

Sale disclosed

Melissa McLaughlin

Chief Human Resources Officer

Common Stock

Reported value: $66.45K
Reported price: $333.94 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
EVP, CLO and Secretary	Common StockSale	1,758$226.88 / share	$398.86K	Oct 2Filed Oct 6 · 4d later	SEC filing
Director	Common StockSale10b5-15 trades	3,830avg $299.18 / share	$1.15M	Jun 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
Chief Human Resources Officer	Common StockSale10b5-19 trades	1,624avg $319.59 / share	$519.01K	Apr 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 Officer	Common StockSale10b5-15 trades	2,286avg $330.42 / share	$755.33K	Apr 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

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 BookerReporting Senate member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: August 11, 2026

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

Limited filing history · Market-wide discovery does not establish complete company history. View 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.

Reporting insider

Security / transaction

Amount / price

Value

Traded / disclosed

Source

EVP, CLO and Secretary

Common StockSale

1,758$226.88 / share

$398.86K

Oct 2Filed Oct 6 · 4d later

SEC filing

Director

Common StockSale10b5-15 trades

3,830avg $299.18 / share

$1.15M

Jun 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

Chief Human Resources Officer

Common StockSale10b5-19 trades

1,624avg $319.59 / share

$519.01K

Apr 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 Officer

Common StockSale10b5-15 trades

2,286avg $330.42 / share

$755.33K

Apr 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

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

Limited filing history · Market-wide discovery does not establish complete company history. View 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.