Form 4 Tracker
Amylyx Pharmaceuticals, Inc.
AMLX

23 insider filings · Latest: Jun 4, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 21, 2026May 26 8:00 PMKaren FirestoneDirector
Purchase
3,800$13.51$51.3K66,900(D)

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Mar 2, 2026Mar 4 9:00 PMJustin B. KleeDirector, Co-Chief Executive Officer
Sale
29,282$14.47$423.8K3,334,616(D)

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Mar 2, 2026Mar 4 9:00 PMJoshua B CohenDirector, Co-Chief Executive Officer
Sale
29,282$14.48$424.1K3,334,683(D)

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Mar 2, 2026Mar 4 9:00 PMCamille L BedrosianChief Medical Officer
Sale
6,461$14.58$94.2K169,295(D)

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Mar 2, 2026Mar 4 9:00 PMJames M FratesChief Financial Officer
Sale
7,909$14.52$114.9K165,638(D)

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Mar 2, 2026Mar 4 9:00 PMGina MazzarielloChief Legal Officer
Sale
6,844$14.52$99.4K134,430(D)

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Mar 2, 2026Mar 2 9:30 PMFrates James M
Proposed Sale
7,909$14.52$114.9K

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Mar 2, 2026Mar 2 9:30 PMKlee Justin B.
Proposed Sale
29,282$14.47$423.8K

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Mar 2, 2026Mar 2 9:30 PMBedrosian Camille L
Proposed Sale
6,461$14.58$94.2K

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Mar 2, 2026Mar 2 9:30 PMMazzariello Gina
Proposed Sale
6,844$14.52$99.4K

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Mar 2, 2026Mar 2 9:30 PMCohen Joshua B
Proposed Sale
29,282$14.48$424.1K

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Feb 23, 2026Feb 25 9:00 PMGina MazzarielloChief Legal Officer
Sale
3,419$14.14$48.4K141,274(D)

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Feb 23, 2026Feb 23 9:25 PMMazzariello Gina
Proposed Sale
3,419$14.14$48.4K

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Feb 2, 2026Feb 4 9:05 PMJames M FratesChief Financial Officer
Sale
3,557$14.65$52.1K173,547(D)

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Feb 2, 2026Feb 4 9:05 PMJoshua B CohenDirector, Co-Chief Executive Officer
Sale
15,500$14.68$227.6K3,363,965(D)

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Feb 2, 2026Feb 4 9:05 PMGina MazzarielloChief Legal Officer
Sale
3,448$14.65$50.5K144,693(D)

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Feb 2, 2026Feb 4 9:05 PMJustin B. KleeDirector, Co-Chief Executive Officer
Sale
15,500$14.69$227.6K3,363,898(D)

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Feb 2, 2026Feb 2 9:10 PMKlee Justin B.
Proposed Sale
15,500$14.68$227.6K

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Feb 2, 2026Feb 2 9:10 PMCohen Joshua B
Proposed Sale
15,500$14.68$227.6K

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Feb 2, 2026Feb 2 9:10 PMMazzariello Gina
Proposed Sale
3,448$14.65$50.5K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 4, 2026Jun 8 8:00 PMBernhardt G ZeiherDirector
Grant/Award
24,372$14.3124,372(D)

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Jun 4, 2026Jun 8 8:00 PMKaren FirestoneDirector
Grant/Award
24,372$14.3124,372(D)

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Jun 4, 2026Jun 8 8:00 PMDaphne QuimiDirector
Grant/Award
24,372$14.3124,372(D)

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Jun 4, 2026Jun 8 8:00 PMGeorge M Milne JRDirector
Grant/Award
24,372$14.3124,372(D)

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Jun 4, 2026Jun 8 8:00 PMPaul R. FonteyneDirector
Grant/Award
24,372$14.3124,372(D)

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Mar 5, 2026Mar 9 8:00 PMJoshua B CohenDirector, Co-Chief Executive Officer
Grant/Award
373,295$14.10373,295(D)

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Mar 5, 2026Mar 9 8:00 PMGina MazzarielloChief Legal Officer
Grant/Award
111,990$14.10111,990(D)

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Mar 5, 2026Mar 9 8:00 PMJames M FratesChief Financial Officer
Grant/Award
143,985$14.10143,985(D)

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Mar 5, 2026Mar 9 8:00 PMJustin B. KleeDirector, Co-Chief Executive Officer
Grant/Award
373,295$14.10373,295(D)

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Mar 5, 2026Mar 9 8:00 PMCamille L BedrosianChief Medical Officer
Grant/Award
143,985$14.10143,985(D)

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Jan 16, 2026Jan 21 2:46 AMJoshua B CohenDirector, Co-Chief Executive Officer
Option Exercise
2,818$7.570(D)

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Jan 15, 2026Jan 21 2:46 AMJoshua B CohenDirector, Co-Chief Executive Officer
Option Exercise
197,182$7.572,818(D)

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Jan 16, 2026Jan 21 2:46 AMJustin B. KleeDirector, Co-Chief Executive Officer
Option Exercise
2,847$7.570(D)

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Jan 15, 2026Jan 21 2:46 AMJustin B. KleeDirector, Co-Chief Executive Officer
Option Exercise
197,153$7.572,847(D)

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