ASP Isotopes Inc. (ASPI)

Latest Insider Confidence Score

2026Q1

48.2
Bearish

Company insider confidence (by quarter)

2022Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Mann Paul Elliot Chair 7,921,691 Dec 3, 2025
AK Jensen Investment Management Ltd 10% Owner 6,746,874 Oct 16, 2024
Vasnetsov Sergey — 3,838,607 Mar 8, 2023
Strydom Hendrik — 3,797,423 Nov 16, 2022
Ronander Einar — 3,597,424 Nov 14, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 6, 2026 Mar 6, 2026 Ainscow Robert COO Sell 50.6 -8,438 -0.55% ✓ $45.9K
Mar 2, 2026 Mar 2, 2026 Mann Paul Elliot Chair Buy 85.0 +162,153 2.18% ✓ $881.5K
Dec 18, 2025 Dec 29, 2025 Kiessling Heather CFO Sell 20.0 -80,000 -9.85% ✗ $463.8K
Dec 18, 2025 Dec 22, 2025 Wider Todd Director Neutral 82.5 +36,548 4.97% ✗ -
Dec 18, 2025 Dec 22, 2025 Ryan Robert John Andrew Director Neutral 85.0 +36,548 5.94% ✗ -
Dec 18, 2025 Dec 22, 2025 Hunter Ralph L. JR Director Neutral 90.0 +36,548 349.07% ✗ -
Dec 18, 2025 Dec 22, 2025 Gorley Michael Director Neutral 90.0 +36,548 44.92% ✗ -
Dec 8, 2025 Dec 11, 2025 Ainscow Robert CEO Sell 47.5 -8,438 -0.54% ✓ $52.3K
Dec 1, 2025 Dec 3, 2025 Mann Paul Elliot Chair Sell 38.8 -162,153 -2.05% ✓ $932.9K
Sep 6, 2025 Nov 28, 2025 Hunter Ralph L. JR Director Neutral 90.0 +10,470 100.00% ✗ -
Nov 28, 2025 Hunter Ralph L. JR Director Neutral 52.5 - 0.00% ✗ -
Aug 1, 2025 Nov 28, 2025 Ainscow Donald George EVP, Gen Counsel, Secretary Neutral 90.0 +400,000 400.00% ✗ -
Nov 28, 2025 Ainscow Donald George EVP, Gen Counsel, Secretary Neutral 52.5 - 0.00% ✗ -
Nov 25, 2025 Nov 28, 2025 Ainscow Robert CEO Sell 45.0 -25,000 -1.58% ✓ $144.2K
Nov 17, 2025 Nov 28, 2025 Mann Paul Elliot Executive Officer Sell 36.3 -162,500 -2.01% ✓ $1.1M
Nov 17, 2025 Nov 19, 2025 Ainscow Robert CEO Sell 35.0 -67,500 -4.10% ✓ $506.7K
Nov 12, 2025 Nov 14, 2025 Wider Todd Director Neutral 82.5 +25,469 3.59% ✗ -
Oct 14, 2025 Oct 16, 2025 Ainscow Robert CEO Sell 42.5 -22,500 -1.35% ✓ $306K
Sep 14, 2025 Oct 3, 2025 Wider Todd Director Sell 20.0 -96,000 -11.91% ✗ $840.8K
Sep 30, 2025 Oct 2, 2025 Gorley Michael Director Sell 20.0 -64,000 -44.03% ✗ $624.2K
Sep 8, 2025 Sep 10, 2025 Ainscow Robert COO Sell 45.0 -47,299 -0.76% ✓ $403.4K
Sep 8, 2025 Sep 10, 2025 Mann Paul Elliot CEO Sell 40.0 -447,263 -1.43% ✓ $3.8M
Aug 29, 2025 Sep 3, 2025 Moore Duncan Director Sell 20.0 -75,000 -7.01% ✗ $696.2K
Apr 15, 2025 Apr 17, 2025 Ainscow Robert COO Sell 20.0 -200,000 -12.35% ✓ $1.1M
Apr 15, 2025 Apr 17, 2025 Mann Paul Elliot CEO Sell 18.8 -950,000 -11.49% ✓ $5.3M
Apr 14, 2025 Apr 15, 2025 Ainscow Robert COO Neutral 90.0 +400,000 32.79% ✗ -
Apr 14, 2025 Apr 15, 2025 Kiessling Heather CFO Neutral 90.0 +400,000 96.97% ✗ -
Apr 14, 2025 Apr 15, 2025 Mann Paul Elliot CEO Neutral 90.0 +1,441,361 21.12% ✗ -
Nov 29, 2024 Feb 14, 2025 Gorley Michael Director Buy 67.5 +1,000 0.69% ✗ $5.1K
May 30, 2024 Feb 14, 2025 Ryan Robert John Andrew Director Buy 55.0 +1,050 0.17% ✗ $5.7K
Dec 9, 2024 Dec 11, 2024 Moore Duncan Director Neutral 90.0 +172,864 19.28% ✗ -
Nov 20, 2024 Nov 21, 2024 Wider Todd Director Neutral 85.0 +42,522 6.37% ✗ -
Nov 20, 2024 Nov 21, 2024 Moore Duncan Director Neutral 82.5 +42,522 4.98% ✗ -
Nov 20, 2024 Nov 21, 2024 Ryan Robert John Andrew Director Neutral 85.0 +42,522 7.43% ✗ -
Nov 20, 2024 Nov 21, 2024 Gorley Michael Director Neutral 90.0 +42,522 41.75% ✗ -
Oct 11, 2024 Oct 16, 2024 AK Jensen Investment Management Ltd 10% Owner Neutral 60.0 +30,000 0.45% ✗ -
Oct 16, 2024 AK Jensen Investment Management Ltd 10% Owner Neutral 52.5 - 0.00% ✗ -
Sep 6, 2024 Sep 10, 2024 Ainscow Robert COO Neutral 90.0 +300,000 32.61% ✗ -
Sep 6, 2024 Sep 10, 2024 Mann Paul Elliot CEO Neutral 90.0 +978,466 16.74% ✗ -
Aug 13, 2024 Aug 14, 2024 Wider Todd Director Neutral 90.0 +172,864 34.93% ✗ -
Aug 13, 2024 Aug 14, 2024 Gorley Michael Director Neutral 85.0 +8,380 8.97% ✗ -
Aug 1, 2024 Aug 5, 2024 AK Jensen Investment Management Ltd 10% Owner Sell 30.0 -111,849 -0.84% ✗ $256.3K
Jul 15, 2024 Jul 15, 2024 Ainscow Robert COO Neutral 77.5 +19,992 2.22% ✗ -
Jul 15, 2024 Jul 15, 2024 Mann Paul Elliot CEO Neutral 67.5 +39,984 0.69% ✗ -
Jul 8, 2024 Jul 10, 2024 AK Jensen Investment Management Ltd 10% Owner Buy 85.0 +161,849 1.24% ✗ $515.1K
Jul 1, 2024 Jul 1, 2024 Kiessling Heather CFO Neutral 90.0 +400,000 3200.00% ✗ -
Jul 1, 2024 Kiessling Heather CFO Neutral 52.5 - 0.00% ✗ -
Apr 29, 2024 May 1, 2024 Ryan Robert John Andrew Director Buy 87.5 +20,547 3.73% ✗ $69.5K
Apr 26, 2024 Apr 30, 2024 Ryan Robert John Andrew Director Buy 68.8 +5,000 0.91% ✗ $17.4K
Apr 25, 2024 Apr 29, 2024 Ryan Robert John Andrew Director Buy 78.8 +9,500 1.77% ✗ $32.5K
Jan 14, 2024 Feb 26, 2024 Ryan Robert John Andrew Director Buy 91.3 +68,597 14.64% ✗ $42K
Feb 26, 2024 Ryan Robert John Andrew Director Neutral 52.5 - 0.00% ✗ -
Oct 23, 2023 Feb 26, 2024 Gorley Michael Director Neutral 90.0 +93,458 100.00% ✗ -
Feb 26, 2024 Gorley Michael Director Neutral 52.5 - 0.00% ✗ -
Aug 10, 2023 Oct 30, 2023 Moore Duncan Director Buy 95.0 +304,167 55.30% ✗ $100K
Oct 26, 2023 Oct 30, 2023 Wider Todd Director Buy 95.0 +94,844 23.71% ✗ $91.1K
Oct 26, 2023 Oct 30, 2023 Donfeld Joshua Jay Director Buy 95.0 +104,167 10.42% ✗ $100K
Oct 19, 2023 AK Jensen Investment Management Ltd 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 Moore Duncan Director Buy 91.3 +100,000 22.22% ✗ $50K
May 18, 2023 May 19, 2023 Moore Duncan Director Buy 82.5 +20,000 4.65% ✗ $6.2K
May 10, 2023 May 16, 2023 Moore Duncan Director Buy 77.5 +10,000 2.38% ✗ $5K
Apr 6, 2023 Apr 11, 2023 Moore Duncan Director Buy 86.3 +20,000 5.00% ✗ $20K
Mar 1, 2023 Mar 8, 2023 Vasnetsov Sergey Director Neutral 90.0 +538,607 16.32% ✗ -
Mar 1, 2023 Mar 8, 2023 Mann Paul Elliot CEO Neutral 90.0 +718,143 14.12% ✗ -
Dec 30, 2022 Feb 22, 2023 Vasnetsov Sergey Director Neutral 90.0 +500,000 17.86% ✗ -
Dec 30, 2022 Feb 17, 2023 Ainscow Robert CFO Neutral 85.0 +50,000 5.88% ✗ -
Dec 30, 2022 Feb 17, 2023 Mann Paul Elliot CEO Neutral 90.0 +1,000,000 24.46% ✗ -
Nov 15, 2022 Nov 16, 2022 Wider Todd Director Neutral 90.0 +200,000 100.00% ✗ -
Nov 15, 2022 Nov 16, 2022 Vasnetsov Sergey Director Neutral 90.0 +600,000 27.27% ✗ -
Nov 15, 2022 Nov 16, 2022 Strydom Hendrik Director Neutral 85.0 +200,000 5.56% ✗ -
Nov 15, 2022 Nov 16, 2022 Moore Duncan Director Neutral 90.0 +200,000 100.00% ✗ -
Nov 15, 2022 Nov 16, 2022 Donfeld Joshua Jay Director Neutral 90.0 +200,000 25.00% ✗ -
Nov 15, 2022 Nov 16, 2022 Ainscow Robert CFO Neutral 90.0 +600,000 240.00% ✗ -
Nov 15, 2022 Nov 15, 2022 Mann Paul Elliot CEO Neutral 90.0 +1,037,500 34.02% ✗ -
Nov 14, 2022 Wider Todd Director Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Vasnetsov Sergey Director Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Strydom Hendrik Director Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Ronander Einar 10% Owner Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Moore Duncan Director Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Mann Paul Elliot CEO Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Donfeld Joshua Jay Director Neutral 52.5 - 0.00% ✗ -
Nov 14, 2022 Ainscow Robert CFO Neutral 52.5 - 0.00% ✗ -