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A

AMLX

Nasdaq

Amylyx Pharmaceuticals, Inc.

Latest disclosureOctober 7, 2026
Insider score Why 4?
4/ 100
Qualifying buys · 30d
$0

1 purchases · 13 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 28

Limited filing history
All28Buying1Selling13Other14
Filters

Last 30 daysNo qualifying insider buying. Sales: $3.78M by 6 insiders.

28 trades · May 21, 2026 – October 5, 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 28 trades on this page.

Sale disclosed

George M. Milne Jr

Director

Common Stock

Reported value
$830.9K
Reported price
$27.6968 / share
Traded October 5, 2026Filed October 7, 2026SEC filing
Sale disclosed

Camille L. Bedrosian

Chief Medical Officer

Common Stock

Reported value
$256K
Reported price
$32.2139 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Camille L. Bedrosian

Chief Medical Officer

Common Stock

Reported value
$68.86K
Reported price
$33.0919 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

James M. Frates

Chief Financial Officer

Common Stock

Reported value
$315.19K
Reported price
$32.2681 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

James M. Frates

Chief Financial Officer

Common Stock

Reported value
$34.63K
Reported price
$33.2302 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Gina Mazzariello

Chief Legal Officer

Common Stock

Reported value
$309.14K
Reported price
$32.4556 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Gina Mazzariello

Chief Legal Officer

Common Stock

Reported value
$366.74
Reported price
$33.34 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Justin B. Klee

Co-Chief Executive Officer

Common Stock

Reported value
$932.55K
Reported price
$32.1293 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Justin B. Klee

Co-Chief Executive Officer

Common Stock

Reported value
$47.71K
Reported price
$33.1552 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Joshua B. Cohen

Co-Chief Executive Officer

Common Stock

Reported value
$950.04K
Reported price
$32.1557 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Sale disclosed

Joshua B. Cohen

Co-Chief Executive Officer

Common Stock

Reported value
$30.46K
Reported price
$33.1488 / share
Traded September 10, 2026Filed September 14, 2026SEC filing
Exercise or conversion

Karen Firestone

Director

Common Stock

Value context
$44K
Reported price
$1.76 / share
Traded August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Karen Firestone

Director

Common Stock

Value context
$126.25K
Reported price
$5.05 / share
Traded August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Karen Firestone

Director

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$1.76 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 August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Karen Firestone

Director

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$5.05 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 August 31, 2026Filed September 2, 2026SEC filing
Award disclosed

James M. Frates

Chief Financial 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 August 18, 2026Filed August 20, 2026SEC filing
Award disclosed

Justin B. Klee

Co-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 August 18, 2026Filed August 20, 2026SEC filing
Award disclosed

Gina Mazzariello

Chief Legal 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 August 18, 2026Filed August 20, 2026SEC filing
Award disclosed

Camille L. Bedrosian

Chief Medical 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 August 18, 2026Filed August 20, 2026SEC filing
Award disclosed

Joshua B. Cohen

Co-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 August 18, 2026Filed August 20, 2026SEC filing
Sale disclosed

Gina Mazzariello

Chief Legal Officer

Common Stock

Reported value
$274.75K
Reported price
$18.3164 / share
Traded July 9, 2026Filed July 13, 2026SEC filing
Sale disclosed

Gina Mazzariello

Chief Legal Officer

Common Stock

Reported value
$264.12K
Reported price
$17.6081 / share
Traded July 10, 2026Filed July 13, 2026SEC filing
Award disclosed

Bernhardt G. Zeiher

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 4, 2026Filed June 8, 2026SEC filing
Award disclosed

Karen Firestone

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 4, 2026Filed June 8, 2026SEC filing
Award disclosed

Daphne Quimi

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 4, 2026Filed June 8, 2026SEC filing
Award disclosed

George M. Milne Jr

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 4, 2026Filed June 8, 2026SEC filing
Award disclosed

Paul R. Fonteyne

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 4, 2026Filed June 8, 2026SEC filing
Purchase disclosed

Karen Firestone

Director

Common Stock

Reported value
$51.34K
Reported price
$13.51 / share
Traded May 21, 2026Filed May 26, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
DirectorCommon StockSale10b5-130,000$27.70 / share$830.9KOct 5Filed Oct 7 · 2d laterSEC filing
Chief Medical OfficerCommon StockSale2 trades10,028avg $32.40 / share$324.87KSep 10Filed Sep 14 · 4d later
2 filings
  • 7,947 @ $32.21 · $256KSEC filing
  • 2,081 @ $33.09 · $68.86KSEC filing
Chief Financial OfficerCommon StockSale2 trades10,810avg $32.36 / share$349.82KSep 10Filed Sep 14 · 4d later
2 filings
  • 9,768 @ $32.27 · $315.19KSEC filing
  • 1,042 @ $33.23 · $34.63KSEC filing
Chief Legal OfficerCommon StockSale2 trades9,536avg $32.46 / share$309.51KSep 10Filed Sep 14 · 4d later
2 filings
  • 9,525 @ $32.46 · $309.14KSEC filing
  • 11 @ $33.34 · $366.74SEC filing
Co-Chief Executive OfficerCommon StockSale2 trades30,464avg $32.18 / share$980.26KSep 10Filed Sep 14 · 4d later
2 filings
  • 29,025 @ $32.13 · $932.55KSEC filing
  • 1,439 @ $33.16 · $47.71KSEC filing
Co-Chief Executive OfficerCommon StockSale2 trades30,464avg $32.19 / share$980.5KSep 10Filed Sep 14 · 4d later
2 filings
  • 29,545 @ $32.16 · $950.04KSEC filing
  • 919 @ $33.15 · $30.46KSEC filing
DirectorCommon StockOption exercise or conversion25,000$1.76 / share$44KAug 31Filed Sep 2 · 2d laterSEC filing
DirectorCommon StockOption exercise or conversion25,000$5.05 / share$126.25KAug 31Filed Sep 2 · 2d laterSEC filing
DirectorStock Option (right to buy)Option exercise or conversionDerivative units25,000$1.76 exercise / conversion priceNot a separate purchaseAug 31Filed Sep 2 · 2d laterSEC filing
DirectorStock Option (right to buy)Option exercise or conversionDerivative units25,000$5.05 exercise / conversion priceNot a separate purchaseAug 31Filed Sep 2 · 2d laterSEC filing
Chief Financial OfficerCommon StockGrant or award22,807Award · no purchase priceNon-cash awardAug 18Filed Aug 20 · 2d laterSEC filing
Co-Chief Executive OfficerCommon StockGrant or award60,039Award · no purchase priceNon-cash awardAug 18Filed Aug 20 · 2d laterSEC filing
Chief Legal OfficerCommon StockGrant or award21,284Award · no purchase priceNon-cash awardAug 18Filed Aug 20 · 2d laterSEC filing
Chief Medical OfficerCommon StockGrant or award22,807Award · no purchase priceNon-cash awardAug 18Filed Aug 20 · 2d laterSEC filing
Co-Chief Executive OfficerCommon StockGrant or award60,039Award · no purchase priceNon-cash awardAug 18Filed Aug 20 · 2d laterSEC filing
Chief Legal OfficerCommon StockSale10b5-115,000$18.32 / share$274.75KJul 9Filed Jul 13 · 4d laterSEC filing
Chief Legal OfficerCommon StockSale10b5-115,000$17.61 / share$264.12KJul 10Filed Jul 13 · 3d laterSEC filing
DirectorStock Option (right to buy)Grant or awardDerivative units24,372Award · no purchase priceNon-cash awardJun 4Filed Jun 8 · 4d laterSEC filing
DirectorStock Option (right to buy)Grant or awardDerivative units24,372Award · no purchase priceNon-cash awardJun 4Filed Jun 8 · 4d laterSEC filing
DirectorStock Option (right to buy)Grant or awardDerivative units24,372Award · no purchase priceNon-cash awardJun 4Filed Jun 8 · 4d laterSEC filing
DirectorStock Option (right to buy)Grant or awardDerivative units24,372Award · no purchase priceNon-cash awardJun 4Filed Jun 8 · 4d laterSEC filing
DirectorStock Option (right to buy)Grant or awardDerivative units24,372Award · no purchase priceNon-cash awardJun 4Filed Jun 8 · 4d laterSEC filing
DirectorCommon StockPurchase3,800$13.51 / share$51.34KMay 21Filed May 26 · 5d laterSEC filing

Congress transactions 0

All Congress filings
No disclosed congressional trades for AMLX in the imported filings.

This reflects the filings imported so far, not a complete trading history.

Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

Qualifying common-equity purchase value

$12,834 of common-equity purchase value after transaction-age decay across 180 days.

+2 pts

Distinct buying groups

1 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+2 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
0001658551
Latest public acceptance
Oct 7, 2026, 08:00 PM UTC
Score calculated
Oct 7, 2026, 08:04 PM 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.