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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Cohen Joshua B −$4.0M Co-Chief Executive Officer sold 4% of stake
  2. Klee Justin B. −$4.0M Co-Chief Executive Officer sold 4% of stake
  3. FRATES JAMES M −$1.6M Chief Financial Officer sold 18% of stake
  4. MILNE GEORGE M JR −$831K Director sold 4% of stake
  5. Bedrosian Camille L −$325K Chief Medical Officer sold 3% of stake
Date Insider Transaction Shares Price Value Owned after
2023-03-16 Yeramian Patrick D Chief Medical Officer Sale −52,211 $31.85 $1.7M 152,088
2023-03-16 Yeramian Patrick D Chief Medical Officer Sale −2,416 $32.43 $78K 149,672
2023-03-16 Yeramian Patrick D Chief Medical Officer Grant or award +9,167 158,839
2023-03-16 Yeramian Patrick D Chief Medical Officer Grant or award · Stock Option (right to buy) +41,250 41,250
2023-03-16 Mazzariello Gina Chief Legal Officer Grant or award +18,333 55,747
2023-03-16 Mazzariello Gina Chief Legal Officer Grant or award · Stock Option (right to buy) +82,500 82,500
2023-03-16 Firestone Karen Director Purchase +1,000 $31.99 $32K 1,000
2023-03-16 Firestone Karen Director Grant or award · Stock Option (Right to Buy) +27,403 27,403
2023-03-16 Cohen Joshua B Co-Chief Executive Officer Sale −96,076 $31.84 $3.1M 2,796,541
2023-03-16 Cohen Joshua B Co-Chief Executive Officer Sale −3,924 $32.45 $127K 2,792,617
2023-03-16 Cohen Joshua B Co-Chief Executive Officer Grant or award +50,000 2,842,617
2023-03-16 Cohen Joshua B Co-Chief Executive Officer Grant or award · Stock Option (right to buy) +225,000 225,000
2023-03-16 FRATES JAMES M Chief Financial Officer Sale −30,796 $31.86 $981K 3,213
2023-03-16 FRATES JAMES M Chief Financial Officer Sale −1,704 $32.46 $55K 1,509
2023-03-16 FRATES JAMES M Chief Financial Officer Grant or award +21,667 23,176
2023-03-16 FRATES JAMES M Chief Financial Officer Grant or award · Stock Option (right to buy) +97,500 97,500
2023-03-16 Morningside Venture Investments Ltd 10% owner Sale −9,122 $32.55 $297K 7,250,762
2023-03-15 Morningside Venture Investments Ltd 10% owner Sale −108,934 $33.12 $3.6M 7,300,950
2023-03-15 Morningside Venture Investments Ltd 10% owner Sale −41,066 $33.68 $1.4M 7,259,884
2023-03-14 Morningside Venture Investments Ltd 10% owner Sale −70,714 $34.54 $2.4M 7,409,884

Page 13 of 19 · 362 trades