Form 4 Tracker
Amylyx Pharmaceuticals, Inc.
AMLX

23 insider filings · Latest: Jun 4, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 2, 2026Feb 2 9:10 PMFrates James M
Proposed Sale
3,557$14.65$52.1K

View →

Jan 16, 2026Jan 21 2:46 AMJoshua B CohenDirector, Co-Chief Executive Officer
Sale
1,974$13.83$27.3K3,379,465(D)

View →

Jan 15, 2026Jan 21 2:46 AMJoshua B CohenDirector, Co-Chief Executive Officer
Sale
136,193$13.59$1.9M3,378,621(D)

View →

Jan 16, 2026Jan 21 2:46 AMJustin B. KleeDirector, Co-Chief Executive Officer
Sale
1,995$13.89$27.7K3,379,398(D)

View →

Jan 15, 2026Jan 21 2:46 AMJustin B. KleeDirector, Co-Chief Executive Officer
Sale
136,193$13.58$1.8M3,378,546(D)

View →

Jan 16, 2026Jan 16 9:05 PMJUSTIN KLEE
Proposed Sale
1,995$13.52$27.0K

View →

Jan 16, 2026Jan 16 9:03 PMJOSHUA COHEN
Proposed Sale
1,974$13.52$26.7K

View →

Jan 15, 2026Jan 15 9:17 PMJOSHUA COHEN
Proposed Sale
136,193$14.07$1.9M

View →

Jan 15, 2026Jan 15 9:14 PMJUSTIN KLEE
Proposed Sale
136,193$14.07$1.9M

View →

Jan 6, 2026Jan 6 9:05 PMFrates James M
Proposed Sale
3,326$11.11$37.0K

View →

Jan 6, 2026Jan 6 9:05 PMKlee Justin B.
Proposed Sale
7,715$11.09$85.6K

View →

Jan 6, 2026Jan 6 9:04 PMCohen Joshua B
Proposed Sale
7,715$11.09$85.6K

View →

Dec 1, 2025Dec 1 9:05 PMBedrosian Camille L
Proposed Sale
6,580$14.35$94.4K

View →

Aug 12, 2025Aug 12 8:25 PMGINA MAZZARIELLO
Proposed Sale
30,000$7.82$234.6K

View →

← Previous

Page 2 of 2

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →