Stocks · Health care · Pharmaceutical Preparations

Amylyx Pharmaceuticals, Inc.

AMLX Clue Score40
United States Fiscal year ends December CIK 0001658551
28.14
+3.46%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
28.14 on 9 Oct 2026
40 26 11 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $14.12 14 Oct 2025 $14.19 15 Oct 2025 $15.79 16 Oct 2025 $15.17 17 Oct 2025 $14.95 20 Oct 2025 $15.37 21 Oct 2025 $15.29 22 Oct 2025 $14.82 23 Oct 2025 $14.31 24 Oct 2025 $14.17 27 Oct 2025 $14.23 28 Oct 2025 $14.32 29 Oct 2025 $13.89 30 Oct 2025 $14.05 31 Oct 2025 $13.93 3 Nov 2025 $13.60 4 Nov 2025 $13.74 5 Nov 2025 $13.24 6 Nov 2025 $12.46 7 Nov 2025 $12.31 10 Nov 2025 $12.18 11 Nov 2025 $12.68 12 Nov 2025 $12.33 13 Nov 2025 $12.42 14 Nov 2025 $12.69 17 Nov 2025 $13.98 18 Nov 2025 $13.95 19 Nov 2025 $14.32 20 Nov 2025 $13.57 21 Nov 2025 $14.67 24 Nov 2025 $14.82 25 Nov 2025 $14.88 26 Nov 2025 $15.00 28 Nov 2025 $14.98 1 Dec 2025 $14.24 2 Dec 2025 $13.75 3 Dec 2025 $14.21 4 Dec 2025 $14.49 5 Dec 2025 $14.20 8 Dec 2025 $13.67 9 Dec 2025 $13.24 10 Dec 2025 $13.23 11 Dec 2025 $13.07 12 Dec 2025 $13.10 15 Dec 2025 $12.56 16 Dec 2025 $12.31 17 Dec 2025 $11.87 18 Dec 2025 $11.92 19 Dec 2025 $12.02 22 Dec 2025 $12.50 23 Dec 2025 $12.31 24 Dec 2025 $12.49 26 Dec 2025 $12.33 29 Dec 2025 $12.19 30 Dec 2025 $12.00 31 Dec 2025 $12.08 2 Jan 2026 $11.42 5 Jan 2026 $11.39 6 Jan 2026 $11.38 7 Jan 2026 $11.99 8 Jan 2026 $11.83 9 Jan 2026 $12.21 12 Jan 2026 $12.39 13 Jan 2026 $12.60 14 Jan 2026 $14.07 15 Jan 2026 $13.52 16 Jan 2026 $14.30 20 Jan 2026 $16.55 21 Jan 2026 $16.92 22 Jan 2026 $16.23 23 Jan 2026 $15.76 26 Jan 2026 $15.01 27 Jan 2026 $15.47 28 Jan 2026 $14.51 29 Jan 2026 $14.85 30 Jan 2026 $14.29 2 Feb 2026 $14.67 3 Feb 2026 $14.49 4 Feb 2026 $13.88 5 Feb 2026 $12.99 6 Feb 2026 $13.98 9 Feb 2026 $14.22 10 Feb 2026 $14.89 11 Feb 2026 $14.35 12 Feb 2026 $14.07 13 Feb 2026 $14.12 17 Feb 2026 $14.13 18 Feb 2026 $14.10 19 Feb 2026 $14.02 20 Feb 2026 $14.01 23 Feb 2026 $13.90 24 Feb 2026 $14.71 25 Feb 2026 $14.37 26 Feb 2026 $15.26 27 Feb 2026 $15.17 2 Mar 2026 $15.30 3 Mar 2026 $14.11 4 Mar 2026 $15.05 5 Mar 2026 $14.10 6 Mar 2026 $13.85 9 Mar 2026 $14.31 10 Mar 2026 $14.98 11 Mar 2026 $14.93 12 Mar 2026 $14.38 13 Mar 2026 $13.99 16 Mar 2026 $14.38 17 Mar 2026 $14.29 18 Mar 2026 $13.79 19 Mar 2026 $14.05 20 Mar 2026 $13.81 23 Mar 2026 $13.53 24 Mar 2026 $13.66 25 Mar 2026 $13.83 26 Mar 2026 $13.47 27 Mar 2026 $13.55 30 Mar 2026 $12.76 31 Mar 2026 $13.90 1 Apr 2026 $14.35 2 Apr 2026 $14.95 6 Apr 2026 $15.82 7 Apr 2026 $16.27 8 Apr 2026 $16.92 9 Apr 2026 $17.32 10 Apr 2026 $16.36 13 Apr 2026 $16.47 14 Apr 2026 $16.92 15 Apr 2026 $17.12 16 Apr 2026 $17.73 17 Apr 2026 $18.36 20 Apr 2026 $17.57 21 Apr 2026 $17.59 22 Apr 2026 $17.52 23 Apr 2026 $17.32 24 Apr 2026 $17.04 27 Apr 2026 $16.88 28 Apr 2026 $16.31 29 Apr 2026 $15.60 30 Apr 2026 $16.00 1 May 2026 $16.01 4 May 2026 $16.46 5 May 2026 $16.43 6 May 2026 $16.06 7 May 2026 $15.20 8 May 2026 $14.73 11 May 2026 $14.88 12 May 2026 $14.44 13 May 2026 $14.58 14 May 2026 $13.88 15 May 2026 $13.29 18 May 2026 $12.86 19 May 2026 $12.74 20 May 2026 $13.61 21 May 2026 $13.93 22 May 2026 $13.58 26 May 2026 $13.68 27 May 2026 $14.07 28 May 2026 $14.22 29 May 2026 $14.35 1 Jun 2026 $14.07 2 Jun 2026 $13.29 3 Jun 2026 $13.20 4 Jun 2026 $14.31 5 Jun 2026 $13.32 8 Jun 2026 $13.01 9 Jun 2026 $13.55 10 Jun 2026 $13.46 11 Jun 2026 $13.91 12 Jun 2026 $14.59 15 Jun 2026 $15.19 16 Jun 2026 $15.05 17 Jun 2026 $15.25 18 Jun 2026 $15.67 22 Jun 2026 $16.28 23 Jun 2026 $16.37 24 Jun 2026 $17.00 25 Jun 2026 $17.44 26 Jun 2026 $17.79 29 Jun 2026 $18.70 30 Jun 2026 $17.96 1 Jul 2026 $17.95 2 Jul 2026 $18.27 6 Jul 2026 $17.97 7 Jul 2026 $18.17 8 Jul 2026 $17.88 9 Jul 2026 $18.38 10 Jul 2026 $17.77 13 Jul 2026 $17.41 14 Jul 2026 $18.20 15 Jul 2026 $17.78 16 Jul 2026 $17.02 17 Jul 2026 $17.75 20 Jul 2026 $17.45 21 Jul 2026 $18.50 22 Jul 2026 $17.70 23 Jul 2026 $17.59 24 Jul 2026 $18.41 27 Jul 2026 $19.49 28 Jul 2026 $19.55 29 Jul 2026 $19.73 30 Jul 2026 $20.75 31 Jul 2026 $20.31 3 Aug 2026 $20.17 4 Aug 2026 $21.87 5 Aug 2026 $21.85 6 Aug 2026 $24.19 7 Aug 2026 $22.82 10 Aug 2026 $22.67 11 Aug 2026 $23.63 12 Aug 2026 $23.35 13 Aug 2026 $22.48 14 Aug 2026 $21.63 17 Aug 2026 $21.43 18 Aug 2026 $35.11 19 Aug 2026 $38.60 20 Aug 2026 $39.66 21 Aug 2026 $38.66 24 Aug 2026 $38.15 25 Aug 2026 $37.46 26 Aug 2026 $37.08 27 Aug 2026 $37.18 28 Aug 2026 $34.74 31 Aug 2026 $33.75 1 Sep 2026 $33.81 2 Sep 2026 $34.49 3 Sep 2026 $33.96 4 Sep 2026 $34.10 8 Sep 2026 $33.88 9 Sep 2026 $32.40 10 Sep 2026 $32.09 11 Sep 2026 $31.62 14 Sep 2026 $33.64 15 Sep 2026 $33.15 16 Sep 2026 $32.63 17 Sep 2026 $33.94 18 Sep 2026 $32.41 21 Sep 2026 $32.39 22 Sep 2026 $33.00 23 Sep 2026 $30.61 24 Sep 2026 $30.14 25 Sep 2026 $29.49 28 Sep 2026 $29.85 29 Sep 2026 $29.28 30 Sep 2026 $29.10 1 Oct 2026 $28.08 2 Oct 2026 $27.79 5 Oct 2026 $27.78 6 Oct 2026 $28.04 7 Oct 2026 $27.43 8 Oct 2026 $27.20 9 Oct 2026 $28.14 Bedrosian Camille L Chief Medical Officer Sold at will $94.42K 1 Dec 2025 · at $14.35 · 3.6% of stake Firestone Karen Director Bought $100.85K 23 Dec 2025 · at $12.45 · 14.7% of stake FRATES JAMES M Chief Financial Officer Sold at will $36.95K 6 Jan 2026 · at $11.11 · 1.8% of stake Klee Justin B. Co-Chief Executive Officer Sold at will $85.59K 6 Jan 2026 · at $11.09 · 0.2% of stake Cohen Joshua B Co-Chief Executive Officer Sold at will $85.60K 6 Jan 2026 · at $11.09 · 0.2% of stake Klee Justin B. Co-Chief Executive Officer Sold at will $1.85M 15 Jan 2026 · at $13.58 · 3.9% of stake Cohen Joshua B Co-Chief Executive Officer Sold at will $1.85M 15 Jan 2026 · at $13.59 · 3.9% of stake Cohen Joshua B Co-Chief Executive Officer Sold at will $27.30K 16 Jan 2026 · at $13.83 · 0.1% of stake Klee Justin B. Co-Chief Executive Officer Sold at will $27.70K 16 Jan 2026 · at $13.89 · 0.1% of stake Mazzariello Gina Chief Legal Officer Sold at will $50.52K 2 Feb 2026 · at $14.65 · 2.3% of stake FRATES JAMES M Chief Financial Officer Sold at will $52.10K 2 Feb 2026 · at $14.65 · 2.0% of stake Cohen Joshua B Co-Chief Executive Officer Sold at will $227.59K 2 Feb 2026 · at $14.68 · 0.5% of stake Klee Justin B. Co-Chief Executive Officer Sold at will $227.62K 2 Feb 2026 · at $14.69 · 0.5% of stake Mazzariello Gina Chief Legal Officer Sold at will $48.35K 23 Feb 2026 · at $14.14 · 2.4% of stake Bedrosian Camille L Chief Medical Officer Sold at will $94.21K 2 Mar 2026 · at $14.58 · 3.7% of stake Mazzariello Gina Chief Legal Officer Sold at will $99.38K 2 Mar 2026 · at $14.52 · 4.8% of stake FRATES JAMES M Chief Financial Officer Sold at will $114.85K 2 Mar 2026 · at $14.52 · 4.6% of stake Klee Justin B. Co-Chief Executive Officer Sold at will $423.76K 2 Mar 2026 · at $14.47 · 0.9% of stake Cohen Joshua B Co-Chief Executive Officer Sold at will $424.12K 2 Mar 2026 · at $14.48 · 0.9% of stake Firestone Karen Director Bought $51.34K 21 May 2026 · at $13.51 · 6.0% of stake Mazzariello Gina Chief Legal Officer Sold on a plan $274.75K 9 Jul 2026 · at $18.32 · 7.2% of stake Mazzariello Gina Chief Legal Officer Sold on a plan $264.12K 10 Jul 2026 · at $17.61 · 7.7% of stake Mazzariello Gina Chief Legal Officer Sold at will $309.51K 10 Sep 2026 · at $32.46 · 4.8% of stake Bedrosian Camille L Chief Medical Officer Sold at will $324.87K 10 Sep 2026 · at $32.40 · 3.5% of stake FRATES JAMES M Chief Financial Officer Sold at will $349.82K 10 Sep 2026 · at $32.36 · 4.4% of stake Klee Justin B. Co-Chief Executive Officer Sold at will $980.26K 10 Sep 2026 · at $32.18 · 0.8% of stake Cohen Joshua B Co-Chief Executive Officer Sold at will $980.50K 10 Sep 2026 · at $32.19 · 0.8% of stake MILNE GEORGE M JR Director Sold on a plan $830.90K 5 Oct 2026 · at $27.70 · 3.7% of stake
2 buys23 sales at will3 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$0.00
Net income
$144.74M
Free cash flow
$123.48M
Return on equity
-47.4%
Return on capital
-39.7%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
285K -88M FY21 Fiscal year 2021 Revenue $285.00K Net income $87.93M Margin -30,853.0% 22M -198M FY22 Fiscal year 2022 Revenue $22.23M Net income $198.38M Margin -892.4% · growth +7,700.0% 381M 49M FY23 Fiscal year 2023 Revenue $380.79M Net income $49.27M Margin 12.9% · growth +1,612.9% 87M -302M FY24 Fiscal year 2024 Revenue $87.37M Net income $301.74M Margin -345.4% · growth -77.1% 0K -145M FY25 Fiscal year 2025 Revenue $0.00 Net income $144.74M Margin n/a · growth -100.0%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
5 Oct 2026 MILNE GEORGE M JR
Director
Sold on a plan $830.90K 3.7%
10 Sep 2026 Cohen Joshua B
Co-Chief Executive Officer
Sold at will $980.50K 0.8%
10 Sep 2026 Klee Justin B.
Co-Chief Executive Officer
Sold at will $980.26K 0.8%
10 Sep 2026 FRATES JAMES M
Chief Financial Officer
Sold at will $349.82K 4.4%
10 Sep 2026 Bedrosian Camille L
Chief Medical Officer
Sold at will $324.87K 3.5%
10 Sep 2026 Mazzariello Gina
Chief Legal Officer
Sold at will $309.51K 4.8%