// company-profile

Amylyx Pharmaceuticals, Inc.

AMLX
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings122Insiders13
// api This Amylyx Pharmaceuticals, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 5 insiders purchased shares. Buying was led by MILNE GEORGE M JR.

// 90-day insight

Over the last 90 days, Amylyx Pharmaceuticals, Inc. insiders bought $51K across 6 transactions with no open-market sales.

  • Most active insider: Firestone Karen with 2 transactions totaling $51K.
  • Largest single purchase: $51K by Firestone Karen on May 21, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Amylyx Pharmaceuticals, Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$1.56B
QoQ change
+25.4%
Reporting period
2026-03-31
#1
FMR LLC
CIK 315066
$201.3M
14.5M shares
#2
PERCEPTIVE ADVISORS LLC
CIK 1224962
$115.2M
8.3M shares
#3
TCG Crossover Management, LLC
CIK 1839948
$86.8M
6.2M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 4, 2026MILNE GEORGE M JRAMLX
Award
24,372$0.00$0K
Jun 4, 2026Zeiher Bernhardt GAMLX
Award
24,372$0.00$0K
Jun 4, 2026Firestone KarenAMLX
Award
24,372$0.00$0K
Jun 4, 2026Quimi DaphneAMLX
Award
24,372$0.00$0K
Jun 4, 2026FONTEYNE PAUL R.AMLX
Award
24,372$0.00$0K

45 more transactions hidden

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