Dudediligence.

ASP Isotopes Inc

ASPINASDAQ · Miscellaneous Chemical Products
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$10.3M

20 notices · 1,828,498 sh

Oct 2025 to Oct 2026

Reported ·

$6,948,012

18 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

17 of 18 reported sales carry the 10b5-1 box. Together they are 0.83% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-25: Todd Wider, Form 1442026-09-02: Donald George Ainscow, Form 1442026-09-02: Mann Paul Elliot, Form 1442026-09-02: Ainscow Robert, Form 1442026-06-30: Ainscow Donald George, Form 1442026-06-29: Todd Wider, Form 1442026-06-29: Gorley Michael, Form 1442026-06-08: Ainscow Robert, Form 1442026-06-01: Mann Paul Elliot, Form 1442026-04-16: Moore Duncan, Form 1442026-04-16: Ainscow Robert, Form 1442026-04-15: Heather Kiessling, Form 1442026-04-13: Ainscow Robert, Form 1442026-03-06: Ainscow Robert, Form 1442026-03-02: Mann Paul Elliot, Form 1442025-12-18: Heather Kiessling, Form 1442025-12-08: Ainscow Robert, Form 1442025-11-15: Mann Paul Elliot, Form 1442025-11-17: Ainscow Robert, Form 1442025-10-14: Ainscow Robert, Form 1442025-10-14: Ainscow Robert, sold2025-11-17: Ainscow Robert, sold2025-11-17: Mann Paul Elliot, sold2025-11-25: Ainscow Robert, sold2025-12-01: Mann Paul Elliot, sold2025-12-08: Ainscow Robert, sold2025-12-18: Kiessling Heather, sold2026-03-02: Mann Paul Elliot, sold2026-03-06: Ainscow Robert, sold2026-03-06: Ainscow Robert, sold2026-04-15: Kiessling Heather, sold2026-04-16: Moore Duncan, sold2026-04-16: Ainscow Robert, sold2026-06-01: Mann Paul Elliot, sold2026-06-08: Ainscow Robert, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-25Todd Wider, Director$590,000
200,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-09-02Donald George Ainscow, EVP, Gen Counsel, Secretary$194,391
50,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-09-02Mann Paul Elliot, Chairman and CEO$949,819
251,275 shplan 2025-12-30Form 4s on file end Jun 23144 ↗
2026-09-02Ainscow Robert, COO$126,396
33,438 shplan 2025-06-09Form 4s on file end Jun 23144 ↗
2026-06-30Ainscow Donald George, EVP, Gen Counsel, Secretary$622,000
100,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-29Todd Wider, Director$628,000
100,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-29Gorley Michael, DIRECTOR$186,600
30,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-08Ainscow Robert, COO$58,138
8,438 shplan 2025-06-09144 ↗
Form 4, 2026-06-10: sold 8,438 at $7.00 Form 4 ↗
2026-06-01Mann Paul Elliot, Chairman and CEO$1,954,919
251,275 shplan 2025-12-30144 ↗
Form 4, 2026-06-03: sold 251,275 at $7.98 Form 4 ↗
2026-04-16Moore Duncan, DIRECTOR$62,634
11,642 shplan 2025-12-31144 ↗
Form 4, 2026-04-17: sold 11,642 at $5.21 Form 4 ↗
2026-04-16Ainscow Robert, COO$121,050
22,500 shplan 2025-06-09144 ↗
Form 4, 2026-04-17: sold 22,500 at $5.21 Form 4 ↗
2026-04-15Heather Kiessling, Chief Financial Officer$231,240
46,248 shplan 2025-12-19144 ↗
Form 4, 2026-04-17: sold 23,124 at $5.48 Form 4 ↗
2026-04-13Ainscow Robert, COO$112,000
25,000 shplan 2024-12-13Form 4s on file end Jun 23144 ↗
2026-03-06Ainscow Robert, COO$43,118
8,438 shplan 2025-06-09144 ↗
Form 4, 2026-03-06: sold 8,438 at $5.44 Form 4 ↗
2026-03-02Mann Paul Elliot, Chairman and CEO$865,897
162,153 shplan 2025-06-09144 ↗
Form 4, 2026-03-02: sold 162,153 at $5.44 Form 4 ↗
2025-12-18Heather Kiessling, Chief Financial Officer$460,800
80,000 shno plan date144 ↗
Form 4, 2025-12-29: sold 80,000 at $5.80 Form 4 ↗
2025-12-08Ainscow Robert, COO$51,641
8,438 shplan 2025-06-09144 ↗
Form 4, 2025-12-11: sold 8,438 at $6.20 Form 4 ↗
2025-11-17Ainscow Robert, COO$601,250
92,500 shplan 2025-06-09144 ↗
Form 4, 2025-11-19: sold 67,500 at $7.51 Form 4 ↗
2025-11-15Mann Paul Elliot, Chairman and CEO$2,110,245
324,653 shplan 2025-06-09144 ↗
Form 4, 2025-11-28: sold 162,500 at $6.97 Form 4 ↗
2025-10-14Ainscow Robert, COO$299,700
22,500 shplan 2025-06-09144 ↗
Form 4, 2025-10-16: sold 22,500 at $13.60 Form 4 ↗