Insider Transactions last 24 months for Amylyx Pharmaceuticals, Inc. - NSDQ: AMLX
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Bedrosian Camille L Chief Medical Officer 03/05/2026 AA Direct COM 95,990 $0.00 $0.00 265,285 Klee Justin B. Co-Chief Executive Officer 03/05/2026 AA Direct COM 248,865 $0.00 $0.00 3,583,481 Frates James M Chief Financial Officer 03/05/2026 AA Direct COM 95,990 $0.00 $0.00 261,628 Mazzariello Gina Chief Legal Officer 03/05/2026 AA Direct COM 74,660 $0.00 $0.00 209,090 Cohen Joshua B Co-Chief Executive Officer 03/05/2026 AA Direct COM 248,865 $0.00 $0.00 3,583,548 Mazzariello Gina Chief Legal Officer 03/02/2026 DS Direct COM 6,844 $14.52 $99,378.30 134,430 Frates James M Chief Financial Officer 03/02/2026 DS Direct COM 7,909 $14.52 $114,851.33 165,638 Bedrosian Camille L Chief Medical Officer 03/02/2026 DS Direct COM 6,461 $14.58 $94,205.26 169,295 Cohen Joshua B Co-Chief Executive Officer 03/02/2026 DS Direct COM 29,282 $14.48 $424,120.49 3,334,683 Klee Justin B. Co-Chief Executive Officer 03/02/2026 DS Direct COM 29,282 $14.47 $423,760.32 3,334,616 Mazzariello Gina Chief Legal Officer 02/23/2026 DS Direct COM 3,419 $14.14 $48,352.18 141,274 Klee Justin B. Co-Chief Executive Officer 02/02/2026 DS Direct COM 15,500 $14.69 $227,617.50 3,363,898 Mazzariello Gina Chief Legal Officer 02/02/2026 DS Direct COM 3,448 $14.65 $50,515.61 144,693 Cohen Joshua B Co-Chief Executive Officer 02/02/2026 DS Direct COM 15,500 $14.68 $227,592.70 3,363,965 Frates James M Chief Financial Officer 02/02/2026 DS Direct COM 3,557 $14.65 $52,096.89 173,547 Klee Justin B. Co-Chief Executive Officer 01/16/2026 DS Direct COM 1,995 $13.89 $27,701.17 3,379,398 Klee Justin B. Co-Chief Executive Officer 01/16/2026 AM Direct COM 2,847 $7.57 $21,551.79 3,381,393 Cohen Joshua B Co-Chief Executive Officer 01/16/2026 DS Direct COM 1,974 $13.83 $27,299.04 3,379,465 Cohen Joshua B Co-Chief Executive Officer 01/16/2026 AM Direct COM 2,818 $7.57 $21,332.26 3,381,439 Klee Justin B. Co-Chief Executive Officer 01/15/2026 DS Direct COM 136,193 $13.58 $1,849,868.66 3,378,546 Klee Justin B. Co-Chief Executive Officer 01/15/2026 AM Direct COM 197,153 $7.57 $1,492,448.21 3,514,739 Cohen Joshua B Co-Chief Executive Officer 01/15/2026 DS Direct COM 136,193 $13.59 $1,850,794.77 3,378,621 Cohen Joshua B Co-Chief Executive Officer 01/15/2026 AM Direct COM 197,182 $7.57 $1,492,667.74 3,514,814 Milne George M Jr Director 01/12/2026 DG Direct COM 17,780 $0.00 $0.00 812,881 Klee Justin B. Co-Chief Executive Officer 01/06/2026 DS Direct COM 7,715 $11.09 $85,589.44 3,317,586
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Bedrosian Camille L Chief Medical Officer 03/05/2026 AA Direct COM 95,990 $0.00 $0.00 265,285 Klee Justin B. Co-Chief Executive Officer 03/05/2026 AA Direct COM 248,865 $0.00 $0.00 3,583,481 Frates James M Chief Financial Officer 03/05/2026 AA Direct COM 95,990 $0.00 $0.00 261,628 Mazzariello Gina Chief Legal Officer 03/05/2026 AA Direct COM 74,660 $0.00 $0.00 209,090 Cohen Joshua B Co-Chief Executive Officer 03/05/2026 AA Direct COM 248,865 $0.00 $0.00 3,583,548 Firestone Karen Director 12/23/2025 AP Direct COM 8,100 $12.45 $100,845.00 63,100 Zeiher Bernhardt G Director 03/20/2025 AP Direct COM 10,000 $3.70 $37,005.00 10,000 Frates James M Chief Financial Officer 03/06/2025 AA Direct COM 68,420 $0.00 $0.00 301,884 Cohen Joshua B Co-Chief Executive Officer 03/06/2025 AA Direct COM 180,118 $0.00 $0.00 3,376,770 Klee Justin B. Co-Chief Executive Officer 03/06/2025 AA Direct COM 180,118 $0.00 $0.00 3,376,766 Bedrosian Camille L Chief Medical Officer 03/06/2025 AA Direct COM 68,420 $0.00 $0.00 206,800 Mazzariello Gina Chief Legal Officer 03/06/2025 AA Direct COM 63,851 $0.00 $0.00 197,161 Frates James M Chief Financial Officer 09/12/2024 AP Direct COM 40,000 $2.53 $101,368.00 233,464 Firestone Karen Director 09/05/2024 AP Direct COM 50,000 $2.13 $106,590.00 55,000 Milne George M Jr Director 09/03/2024 AP Direct COM 100,000 $2.20 $219,800.00 858,571 Quimi Daphne Director 05/15/2024 AP Direct COM 2,250 $1.89 $4,252.28 5,000 Quimi Daphne Director 05/14/2024 AP Direct COM 2,750 $1.89 $5,183.75 2,750 Bedrosian Camille L Chief Medical Officer 04/16/2024 AA Direct COM 96,910 $0.00 $0.00 155,243 Klee Justin B. Co-Chief Executive Officer 04/16/2024 AA Direct COM 179,850 $0.00 $0.00 3,139,158 Mazzariello Gina Chief Legal Officer 04/16/2024 AA Direct COM 80,560 $0.00 $0.00 161,932 Cohen Joshua B Co-Chief Executive Officer 04/16/2024 AA Direct COM 179,850 $0.00 $0.00 3,202,852 Frates James M Chief Financial Officer 04/16/2024 AA Direct COM 91,180 $0.00 $0.00 225,964
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Mazzariello Gina Chief Legal Officer 03/02/2026 DS Direct COM 6,844 $14.52 $99,378.30 134,430 Frates James M Chief Financial Officer 03/02/2026 DS Direct COM 7,909 $14.52 $114,851.33 165,638 Bedrosian Camille L Chief Medical Officer 03/02/2026 DS Direct COM 6,461 $14.58 $94,205.26 169,295 Cohen Joshua B Co-Chief Executive Officer 03/02/2026 DS Direct COM 29,282 $14.48 $424,120.49 3,334,683 Klee Justin B. Co-Chief Executive Officer 03/02/2026 DS Direct COM 29,282 $14.47 $423,760.32 3,334,616 Mazzariello Gina Chief Legal Officer 02/23/2026 DS Direct COM 3,419 $14.14 $48,352.18 141,274 Klee Justin B. Co-Chief Executive Officer 02/02/2026 DS Direct COM 15,500 $14.69 $227,617.50 3,363,898 Mazzariello Gina Chief Legal Officer 02/02/2026 DS Direct COM 3,448 $14.65 $50,515.61 144,693 Cohen Joshua B Co-Chief Executive Officer 02/02/2026 DS Direct COM 15,500 $14.68 $227,592.70 3,363,965 Frates James M Chief Financial Officer 02/02/2026 DS Direct COM 3,557 $14.65 $52,096.89 173,547 Klee Justin B. Co-Chief Executive Officer 01/16/2026 DS Direct COM 1,995 $13.89 $27,701.17 3,379,398 Cohen Joshua B Co-Chief Executive Officer 01/16/2026 DS Direct COM 1,974 $13.83 $27,299.04 3,379,465 Klee Justin B. Co-Chief Executive Officer 01/15/2026 DS Direct COM 136,193 $13.58 $1,849,868.66 3,378,546 Cohen Joshua B Co-Chief Executive Officer 01/15/2026 DS Direct COM 136,193 $13.59 $1,850,794.77 3,378,621 Milne George M Jr Director 01/12/2026 DG Direct COM 17,780 $0.00 $0.00 812,881 Klee Justin B. Co-Chief Executive Officer 01/06/2026 DS Direct COM 7,715 $11.09 $85,589.44 3,317,586 Cohen Joshua B Co-Chief Executive Officer 01/06/2026 DS Direct COM 7,715 $11.09 $85,596.38 3,317,632 Frates James M Chief Financial Officer 01/06/2026 DS Direct COM 3,326 $11.11 $36,953.86 177,104 Bedrosian Camille L Chief Medical Officer 12/01/2025 DS Direct COM 6,580 $14.35 $94,418.39 175,756 Bedrosian Camille L Chief Medical Officer 09/30/2025 DS Direct COM 12,039 $14.58 $175,517.78 182,336 Cohen Joshua B Co-Chief Executive Officer 09/30/2025 DS Direct COM 200 $15.00 $2,999.50 3,325,347 Cohen Joshua B Co-Chief Executive Officer 09/30/2025 DS Direct COM 29,733 $14.34 $426,469.34 3,325,547 Frates James M Chief Financial Officer 09/30/2025 DS Direct COM 10,558 $14.65 $154,650.42 280,430 Mazzariello Gina Chief Legal Officer 09/30/2025 DS Direct COM 8,828 $14.58 $128,668.98 148,141 Klee Justin B. Co-Chief Executive Officer 09/30/2025 DS Direct COM 200 $15.01 $3,002.00 3,325,301
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Klee Justin B. Co-Chief Executive Officer 01/16/2026 AM Direct COM 2,847 $7.57 $21,551.79 3,381,393 Cohen Joshua B Co-Chief Executive Officer 01/16/2026 AM Direct COM 2,818 $7.57 $21,332.26 3,381,439 Klee Justin B. Co-Chief Executive Officer 01/15/2026 AM Direct COM 197,153 $7.57 $1,492,448.21 3,514,739 Cohen Joshua B Co-Chief Executive Officer 01/15/2026 AM Direct COM 197,182 $7.57 $1,492,667.74 3,514,814 Klee Justin B. Co-Chief Executive Officer 02/05/2025 AM Direct COM 36,310 $1.57 $57,006.70 3,201,243 Klee Justin B. Co-Chief Executive Officer 11/04/2024 AM Direct COM 63,690 $1.57 $99,993.30 3,184,259 Cohen Joshua B Co-Chief Executive Officer 09/23/2024 AM Direct COM 1,857 $1.57 $2,915.49 3,239,158 Cohen Joshua B Co-Chief Executive Officer 09/12/2024 AM Direct COM 34,449 $1.57 $54,084.93 3,237,301
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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