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ASP Isotopes Inc.

ASPI Clue Score56
United States Fiscal year ends December CIK 0001921865
$2.65 -6.36% Close, 9 Oct 2026

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
2.65 on 9 Oct 2026
14 8 3 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $13.32 14 Oct 2025 $14.05 15 Oct 2025 $12.62 16 Oct 2025 $11.05 17 Oct 2025 $10.01 20 Oct 2025 $10.26 21 Oct 2025 $9.62 22 Oct 2025 $8.91 23 Oct 2025 $9.55 24 Oct 2025 $9.82 27 Oct 2025 $10.09 28 Oct 2025 $10.43 29 Oct 2025 $10.37 30 Oct 2025 $10.76 31 Oct 2025 $10.13 3 Nov 2025 $9.15 4 Nov 2025 $8.22 5 Nov 2025 $8.43 6 Nov 2025 $7.66 7 Nov 2025 $9.00 10 Nov 2025 $8.92 11 Nov 2025 $8.73 12 Nov 2025 $8.87 13 Nov 2025 $8.00 14 Nov 2025 $8.11 17 Nov 2025 $7.24 18 Nov 2025 $7.63 19 Nov 2025 $7.50 20 Nov 2025 $6.65 21 Nov 2025 $5.97 24 Nov 2025 $6.17 25 Nov 2025 $5.99 26 Nov 2025 $5.92 28 Nov 2025 $6.22 1 Dec 2025 $5.58 2 Dec 2025 $5.58 3 Dec 2025 $5.73 4 Dec 2025 $6.67 5 Dec 2025 $6.54 8 Dec 2025 $6.12 9 Dec 2025 $6.28 10 Dec 2025 $6.17 11 Dec 2025 $6.46 12 Dec 2025 $5.94 15 Dec 2025 $5.69 16 Dec 2025 $5.69 17 Dec 2025 $5.76 18 Dec 2025 $5.79 19 Dec 2025 $6.08 22 Dec 2025 $6.05 23 Dec 2025 $5.95 24 Dec 2025 $5.97 26 Dec 2025 $5.76 29 Dec 2025 $5.71 30 Dec 2025 $5.42 31 Dec 2025 $5.35 2 Jan 2026 $5.63 5 Jan 2026 $6.54 6 Jan 2026 $6.51 7 Jan 2026 $6.31 8 Jan 2026 $6.44 9 Jan 2026 $7.51 12 Jan 2026 $7.49 13 Jan 2026 $7.16 14 Jan 2026 $7.09 15 Jan 2026 $7.48 16 Jan 2026 $7.74 20 Jan 2026 $7.27 21 Jan 2026 $7.30 22 Jan 2026 $8.13 23 Jan 2026 $8.48 26 Jan 2026 $7.52 27 Jan 2026 $7.79 28 Jan 2026 $7.94 29 Jan 2026 $7.24 30 Jan 2026 $6.34 2 Feb 2026 $6.04 3 Feb 2026 $6.31 4 Feb 2026 $5.81 5 Feb 2026 $5.22 6 Feb 2026 $5.82 9 Feb 2026 $5.73 10 Feb 2026 $5.47 11 Feb 2026 $5.67 12 Feb 2026 $5.13 13 Feb 2026 $5.22 17 Feb 2026 $5.39 18 Feb 2026 $5.49 19 Feb 2026 $5.46 20 Feb 2026 $5.20 23 Feb 2026 $5.33 24 Feb 2026 $5.42 25 Feb 2026 $5.74 26 Feb 2026 $5.66 27 Feb 2026 $5.34 2 Mar 2026 $5.50 3 Mar 2026 $5.26 4 Mar 2026 $5.31 5 Mar 2026 $5.11 6 Mar 2026 $5.55 9 Mar 2026 $5.81 10 Mar 2026 $6.04 11 Mar 2026 $5.68 12 Mar 2026 $5.85 13 Mar 2026 $5.28 16 Mar 2026 $5.34 17 Mar 2026 $4.97 18 Mar 2026 $4.65 19 Mar 2026 $4.37 20 Mar 2026 $4.22 23 Mar 2026 $4.83 24 Mar 2026 $4.98 25 Mar 2026 $5.04 26 Mar 2026 $4.61 27 Mar 2026 $4.37 30 Mar 2026 $4.22 31 Mar 2026 $4.42 1 Apr 2026 $4.11 2 Apr 2026 $4.29 6 Apr 2026 $4.21 7 Apr 2026 $4.07 8 Apr 2026 $4.50 9 Apr 2026 $4.21 10 Apr 2026 $4.48 13 Apr 2026 $5.06 14 Apr 2026 $5.00 15 Apr 2026 $5.38 16 Apr 2026 $5.11 17 Apr 2026 $5.37 20 Apr 2026 $5.47 21 Apr 2026 $5.06 22 Apr 2026 $5.61 23 Apr 2026 $5.43 24 Apr 2026 $5.35 27 Apr 2026 $5.65 28 Apr 2026 $5.24 29 Apr 2026 $4.94 30 Apr 2026 $5.26 1 May 2026 $5.15 4 May 2026 $5.16 5 May 2026 $5.13 6 May 2026 $5.54 7 May 2026 $5.33 8 May 2026 $5.38 11 May 2026 $6.22 12 May 2026 $5.97 13 May 2026 $6.32 14 May 2026 $6.09 15 May 2026 $5.80 18 May 2026 $5.28 19 May 2026 $4.84 20 May 2026 $5.26 21 May 2026 $5.17 22 May 2026 $5.55 26 May 2026 $6.93 27 May 2026 $6.67 28 May 2026 $7.77 29 May 2026 $7.78 1 Jun 2026 $8.01 2 Jun 2026 $8.33 3 Jun 2026 $7.55 4 Jun 2026 $7.97 5 Jun 2026 $6.71 8 Jun 2026 $6.83 9 Jun 2026 $6.40 10 Jun 2026 $5.85 11 Jun 2026 $6.23 12 Jun 2026 $6.55 15 Jun 2026 $6.64 16 Jun 2026 $6.44 17 Jun 2026 $6.68 18 Jun 2026 $7.18 22 Jun 2026 $7.28 23 Jun 2026 $7.08 24 Jun 2026 $7.06 25 Jun 2026 $6.35 26 Jun 2026 $6.17 29 Jun 2026 $6.22 30 Jun 2026 $6.22 1 Jul 2026 $6.17 2 Jul 2026 $5.63 6 Jul 2026 $5.53 7 Jul 2026 $5.06 8 Jul 2026 $4.94 9 Jul 2026 $5.15 10 Jul 2026 $5.01 13 Jul 2026 $4.59 14 Jul 2026 $4.70 15 Jul 2026 $4.58 16 Jul 2026 $3.95 17 Jul 2026 $3.88 20 Jul 2026 $3.89 21 Jul 2026 $4.26 22 Jul 2026 $4.08 23 Jul 2026 $4.04 24 Jul 2026 $3.87 27 Jul 2026 $4.05 28 Jul 2026 $3.78 29 Jul 2026 $3.54 30 Jul 2026 $3.98 31 Jul 2026 $4.00 3 Aug 2026 $4.14 4 Aug 2026 $4.29 5 Aug 2026 $4.05 6 Aug 2026 $4.10 7 Aug 2026 $4.43 10 Aug 2026 $4.29 11 Aug 2026 $4.32 12 Aug 2026 $4.30 13 Aug 2026 $4.28 14 Aug 2026 $4.27 17 Aug 2026 $4.02 18 Aug 2026 $3.86 19 Aug 2026 $4.09 20 Aug 2026 $3.95 21 Aug 2026 $4.00 24 Aug 2026 $3.89 25 Aug 2026 $4.00 26 Aug 2026 $3.95 27 Aug 2026 $4.04 28 Aug 2026 $3.88 31 Aug 2026 $4.02 1 Sep 2026 $3.78 2 Sep 2026 $3.93 3 Sep 2026 $3.90 4 Sep 2026 $4.20 8 Sep 2026 $4.22 9 Sep 2026 $3.82 10 Sep 2026 $3.59 11 Sep 2026 $3.31 14 Sep 2026 $3.19 15 Sep 2026 $3.16 16 Sep 2026 $3.15 17 Sep 2026 $3.25 18 Sep 2026 $3.04 21 Sep 2026 $3.18 22 Sep 2026 $3.18 23 Sep 2026 $3.01 24 Sep 2026 $2.95 25 Sep 2026 $2.93 28 Sep 2026 $2.60 29 Sep 2026 $2.64 30 Sep 2026 $2.65 1 Oct 2026 $2.70 2 Oct 2026 $2.91 5 Oct 2026 $2.93 6 Oct 2026 $2.85 7 Oct 2026 $2.86 8 Oct 2026 $2.83 9 Oct 2026 $2.65 Ainscow Robert Interim CEO and COO Sold on a plan $305.98K 14 Oct 2025 · at $13.60 · 1.3% of stake Ainscow Robert Interim CEO and COO Sold on a plan $506.72K 17 Nov 2025 · at $7.51 · 4.1% of stake Mann Paul Elliot Executive Officer Sold on a plan $844.54K 17 Nov 2025 · at $7.51 · 1.4% of stake Ainscow Robert Interim CEO and COO Sold on a plan $144.23K 25 Nov 2025 · at $5.77 · 1.6% of stake Mann Paul Elliot Executive Officer Sold on a plan $288.45K 25 Nov 2025 · at $5.77 · 0.6% of stake Mann Paul Elliot Executive Chairman Sold on a plan $932.87K 1 Dec 2025 · at $5.75 · 2.0% of stake Ainscow Robert Interim CEO and COO Sold on a plan $52.34K 8 Dec 2025 · at $6.20 · 0.5% of stake Kiessling Heather Chief Financial Officer Sold at will $463.84K 18 Dec 2025 · at $5.80 · 9.8% of stake Mann Paul Elliot Executive Chairman Bought $881.46K 2 Mar 2026 · at $5.44 · 2.2% of stake Ainscow Robert COO Sold on a plan $158.67K 6 Mar 2026 · at $4.75 · 2.2% of stake Kiessling Heather Chief Financial Officer Sold on a plan $126.67K 15 Apr 2026 · at $5.48 · 3.2% of stake Moore Duncan Director Sold on a plan $60.60K 16 Apr 2026 · at $5.21 · 1.1% of stake Ainscow Robert COO Sold on a plan $117.11K 16 Apr 2026 · at $5.21 · 1.5% of stake Mann Paul Elliot Chairman and CEO Sold on a plan $660.01K 1 Jun 2026 · at $7.88 · 0.9% of stake Mann Paul Elliot Chairman and CEO Sold on a plan $694.35K 2 Jun 2026 · at $8.29 · 0.9% of stake Mann Paul Elliot Chairman and CEO Sold on a plan $649.97K 3 Jun 2026 · at $7.76 · 0.9% of stake Ainscow Robert COO Sold on a plan $59.06K 8 Jun 2026 · at $7.00 · 0.4% of stake Wider Todd Director Sold at will $312.50K 29 Jun 2026 · at $6.25 · 6.5% of stake Gorley Michael Director Sold at will $188.10K 30 Jun 2026 · at $6.27 · 25.4% of stake Wider Todd Director Sold at will $306.00K 30 Jun 2026 · at $6.12 · 6.9% of stake Ainscow Donald George EVP, Gen Counsel, Secretary Sold at will $614.00K 30 Jun 2026 · at $6.14 · 11.1% of stake Kiessling Heather Chief Financial Officer Sold on a plan $145.22K 1 Jul 2026 · at $6.28 · 1.5% of stake Ainscow Donald George EVP, Gen Counsel, Secretary Sold at will $92.11K 2 Sep 2026 · at $3.89 · 3.0% of stake Ainscow Robert COO Sold on a plan $97.63K 2 Sep 2026 · at $3.91 · 1.1% of stake Mann Paul Elliot Chairman and CEO Sold on a plan $327.49K 2 Sep 2026 · at $3.91 · 0.9% of stake Mann Paul Elliot Chairman and CEO Sold on a plan $328.33K 3 Sep 2026 · at $3.92 · 0.9% of stake Mann Paul Elliot Chairman and CEO Sold on a plan $343.41K 4 Sep 2026 · at $4.10 · 0.9% of stake Ainscow Robert COO Sold on a plan $36.22K 8 Sep 2026 · at $4.29 · 0.4% of stake Ryan Robert John Andrew Director Bought $21.60K 28 Sep 2026 · at $2.70 · 1.2% of stake Ryan Robert John Andrew Director Bought $40.20K 30 Sep 2026 · at $2.68 · 2.3% of stake
3 buys6 sales at will21 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$23.85M
Net income
$159.84M
Free cash flow
$47.43M
Gross margin
14.3%
Operating margin
-251.2%
Net margin
-670.2%
Return on equity
-78.3%
Return on capital
-21.7%
Debt to equity
0.07
Revenue growth, 1 yr
475.5%

Revenue and profit

Fiscal years, as filed with the SEC · point at a year for the detail
Full statements →
0K -5M FY22 Fiscal year 2022 Revenue $0.00 Net income $4.95M Margin n/a 433K -16M FY23 Fiscal year 2023 Revenue $433.03K Net income $16.29M Margin -3,762.9% 4M -32M FY24 Fiscal year 2024 Revenue $4.14M Net income $32.42M Margin -782.4% · growth +857.0% 24M -160M FY25 Fiscal year 2025 Revenue $23.85M Net income $159.84M Margin -670.2% · growth +475.5%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
30 Sep 2026 Ryan Robert John Andrew
Director
Bought $40.20K 2.3%
28 Sep 2026 Ryan Robert John Andrew
Director
Bought $21.60K 1.2%
8 Sep 2026 Ainscow Robert
COO
Sold on a plan $36.22K 0.4%
4 Sep 2026 Mann Paul Elliot
Chairman and CEO
Sold on a plan $343.41K 0.9%
3 Sep 2026 Mann Paul Elliot
Chairman and CEO
Sold on a plan $328.33K 0.9%
2 Sep 2026 Mann Paul Elliot
Chairman and CEO
Sold on a plan $327.49K 0.9%