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CIK 0001658551 · Non-accelerated filer<br>Smaller reporting company

Amylyx Pharmaceuticals, Inc.

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Ticker
AMLX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
464600503
Phone
617-682-0917
Business address
55 CAMBRIDGE PARKWAY, SUITE 6W, CAMBRIDGE, MA, 02142
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$10,951,125
in 9 filings, $8.0M under 10b5-1 plans

Net −$10,951,125. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2025-03-06 Mazzariello Gina Chief Legal Officer Grant or award · Stock Option (right to buy) +95,777 95,777
2025-03-06 Bedrosian Camille L Chief Medical Officer Grant or award +68,420 206,800
2025-03-06 Bedrosian Camille L Chief Medical Officer Grant or award · Stock Option (Right to Buy) +102,630 102,630
2025-03-06 Klee Justin B. Co-Chief Executive Officer Grant or award +180,118 3,376,766
2025-03-06 Klee Justin B. Co-Chief Executive Officer Grant or award · Stock Option (right to buy) +270,177 270,177
2025-03-06 Cohen Joshua B Co-Chief Executive Officer Grant or award +180,118 3,376,770
2025-03-06 Cohen Joshua B Co-Chief Executive Officer Grant or award · Stock Option (Right to Buy) +270,177 270,177
2025-03-06 FRATES JAMES M Chief Financial Officer Grant or award +68,420 301,884
2025-03-06 FRATES JAMES M Chief Financial Officer Grant or award · Stock Option (right to buy) +102,630 102,630
2025-03-03 Klee Justin B. Co-Chief Executive Officer Sale −4,595 $3.15 $14K 3,196,648
2025-03-03 Cohen Joshua B Co-Chief Executive Officer Sale −4,595 $3.17 $15K 3,196,652
2025-03-03 Mazzariello Gina Chief Legal Officer Sale −1,611 $3.12 $5K 133,310
2025-02-24 Mazzariello Gina Chief Legal Officer Sale −4,169 $3.15 $13K 134,921
2025-02-05 Klee Justin B. Co-Chief Executive Officer Option exercise +36,310 $1.57 $57K 3,201,243
2025-02-05 Klee Justin B. Co-Chief Executive Officer Option exercise · Stock Option (right to buy) −36,310 0
2025-02-03 Mazzariello Gina Chief Legal Officer Sale −3,678 $3.49 $13K 139,090
2025-02-03 Cohen Joshua B Co-Chief Executive Officer Sale −11,851 $3.47 $41K 3,201,247
2025-02-03 Klee Justin B. Co-Chief Executive Officer Sale −11,855 $3.47 $41K 3,164,933
2025-01-24 MILNE GEORGE M JR Director Gift −27,910 830,661
2025-01-06 Klee Justin B. Co-Chief Executive Officer Sale −7,471 $4.04 $30K 3,176,788

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