Dudediligence.

Amylyx Pharmaceuticals, Inc

AMLXNASDAQ · Pharmaceutical Preparations
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$9,432,545

24 notices · 544,195 sh

Oct 2025 to Oct 2026

Reported ·

$5,820,200

18 sales · 2 buys · $152,183 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

None of the 18 reported sales carry the 10b5-1 box. Together they are 0.38% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-10: Klee Justin B., Form 1442026-09-10: Frates James M, Form 1442026-09-10: Bedrosian Camille L, Form 1442026-09-10: Mazzariello Gina, Form 1442026-09-10: Cohen Joshua B, Form 1442026-07-09: GINA MAZZARIELLO, Form 1442026-03-02: Mazzariello Gina, Form 1442026-03-02: Cohen Joshua B, Form 1442026-03-02: Klee Justin B., Form 1442026-03-02: Bedrosian Camille L, Form 1442026-03-02: Frates James M, Form 1442026-02-23: Mazzariello Gina, Form 1442026-02-02: Cohen Joshua B, Form 1442026-02-02: Klee Justin B., Form 1442026-02-02: Mazzariello Gina, Form 1442026-02-02: Frates James M, Form 1442026-01-16: JUSTIN KLEE, Form 1442026-01-16: JOSHUA COHEN, Form 1442026-01-15: JOSHUA COHEN, Form 1442026-01-15: JUSTIN KLEE, Form 1442026-01-06: Frates James M, Form 1442026-01-06: Klee Justin B., Form 1442026-01-06: Cohen Joshua B, Form 1442025-12-01: Bedrosian Camille L, Form 1442025-12-01: Bedrosian Camille L, sold2025-12-23: Firestone Karen, bought2026-01-06: Klee Justin B., sold2026-01-06: Cohen Joshua B, sold2026-01-06: FRATES JAMES M, sold2026-01-15: Klee Justin B., sold2026-01-15: Cohen Joshua B, sold2026-02-02: Klee Justin B., sold2026-02-02: Mazzariello Gina, sold2026-02-02: Cohen Joshua B, sold2026-02-02: FRATES JAMES M, sold2026-02-23: Mazzariello Gina, sold2026-03-02: Mazzariello Gina, sold2026-03-02: FRATES JAMES M, sold2026-03-02: Bedrosian Camille L, sold2026-03-02: Cohen Joshua B, sold2026-03-02: Klee Justin B., sold2026-05-21: Firestone Karen, bought
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-09-10Klee Justin B., Co-Chief Executive Officer$980,264
30,464 shplan 2026-05-11Form 4s on file end Jun 23144 ↗
2026-09-10Frates James M, Chief Financial Officer$349,821
10,810 shplan 2026-04-10Form 4s on file end Jun 23144 ↗
2026-09-10Bedrosian Camille L, Chief Medical Officer$324,868
10,028 shno plan dateForm 4s on file end Jun 23144 ↗
2026-09-10Mazzariello Gina, Chief Legal Officer$309,506
9,536 shplan 2026-04-09Form 4s on file end Jun 23144 ↗
2026-09-10Cohen Joshua B, Co-Chief Executive Officer$980,504
30,464 shplan 2026-05-11Form 4s on file end Jun 23144 ↗
2026-07-09GINA MAZZARIELLO, Chief Legal Officer$536,400
30,000 shplan 2026-04-09Form 4s on file end Jun 23144 ↗
2026-03-02Mazzariello Gina, Chief Legal Officer$99,379
6,844 shno plan date144 ↗
Form 4, 2026-03-04: sold 6,844 at $14.52 Form 4 ↗
2026-03-02Cohen Joshua B, Co-Chief Executive Officer$424,120
29,282 shno plan date144 ↗
Form 4, 2026-03-04: sold 29,282 at $14.48 Form 4 ↗
2026-03-02Klee Justin B., Co-Chief Executive Officer$423,760
29,282 shno plan date144 ↗
Form 4, 2026-03-04: sold 29,282 at $14.47 Form 4 ↗
2026-03-02Bedrosian Camille L, Chief Medical Officer$94,205
6,461 shno plan date144 ↗
Form 4, 2026-03-04: sold 6,461 at $14.58 Form 4 ↗
2026-03-02Frates James M, Chief Financial Officer$114,852
7,909 shno plan date144 ↗
Form 4, 2026-03-04: sold 7,909 at $14.52 Form 4 ↗
2026-02-23Mazzariello Gina, Chief Legal Officer$48,352
3,419 shno plan date144 ↗
Form 4, 2026-02-25: sold 3,419 at $14.14 Form 4 ↗
2026-02-02Cohen Joshua B, Co-Chief Executive Officer$227,593
15,500 shno plan date144 ↗
Form 4, 2026-02-04: sold 15,500 at $14.68 Form 4 ↗
2026-02-02Klee Justin B., Co-Chief Executive Officer$227,617
15,500 shno plan date144 ↗
Form 4, 2026-02-04: sold 15,500 at $14.69 Form 4 ↗
2026-02-02Mazzariello Gina, Chief Legal Officer$50,515
3,448 shno plan date144 ↗
Form 4, 2026-02-04: sold 3,448 at $14.65 Form 4 ↗
2026-02-02Frates James M, Chief Financial Officer$52,097
3,557 shno plan date144 ↗
Form 4, 2026-02-04: sold 3,557 at $14.65 Form 4 ↗
2026-01-16JUSTIN KLEE, Co-Chief Executive Officer$26,972
1,995 shno plan dateno Form 4 on file144 ↗
2026-01-16JOSHUA COHEN, Co-Chief Executive Officer$26,688
1,974 shno plan dateno Form 4 on file144 ↗
2026-01-15JOSHUA COHEN, Co-Chief Executive Officer$1,916,236
136,193 shno plan date144 ↗
Form 4, 2026-01-20: sold 138,167 at $13.59 Form 4 ↗
2026-01-15JUSTIN KLEE, Co-Chief Executive Officer$1,916,236
136,193 shno plan date144 ↗
Form 4, 2026-01-20: sold 138,188 at $13.58 Form 4 ↗
2026-01-06Frates James M, Chief Financial Officer$36,954
3,326 shno plan date144 ↗
Form 4, 2026-01-08: sold 3,326 at $11.11 Form 4 ↗
2026-01-06Klee Justin B., Co-Chief Executive Officer$85,590
7,715 shno plan date144 ↗
Form 4, 2026-01-08: sold 7,715 at $11.09 Form 4 ↗
2026-01-06Cohen Joshua B, Co-Chief Executive Officer$85,597
7,715 shno plan date144 ↗
Form 4, 2026-01-08: sold 7,715 at $11.09 Form 4 ↗
2025-12-01Bedrosian Camille L, Chief Medical Officer$94,419
6,580 shno plan date144 ↗
Form 4, 2025-12-03: sold 6,580 at $14.35 Form 4 ↗