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Company

ASP Isotopes Inc.

ASPI · CIK 0001921865

SEC FORM 4
$36,215.90

ASP Isotopes Inc. (ASPI)

Sale of 8,438 shares at $4.292 per share.

Reporting Person Ainscow Robert · Officer Title COO · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0001477932-26-005524 · filed 2026-09-10 · View filing →

SEC FORM 4
$343,411.90

ASP Isotopes Inc. (ASPI)

Sale of 83,759 shares at $4.10 per share.

Reporting Person Mann Paul Elliot · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 4, 2026 · Disclosed Sep 4, 2026

Source: SEC Form 4 · 0001477932-26-005430 · filed 2026-09-04 · View filing →

SEC FORM 4
$328,331.36

ASP Isotopes Inc. (ASPI)

Sale of 83,758 shares at $3.92 per share.

Reporting Person Mann Paul Elliot · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 3, 2026 · Disclosed Sep 4, 2026

Source: SEC Form 4 · 0001477932-26-005430 · filed 2026-09-04 · View filing →

SEC FORM 4
$327,493.78

ASP Isotopes Inc. (ASPI)

Sale of 83,758 shares at $3.91 per share.

Reporting Person Mann Paul Elliot · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 2, 2026 · Disclosed Sep 4, 2026

Source: SEC Form 4 · 0001477932-26-005430 · filed 2026-09-04 · View filing →

SEC FORM 4
$97,625.00

ASP Isotopes Inc. (ASPI)

Sale of 25,000 shares at $3.905 per share.

Reporting Person Ainscow Robert · Officer Title COO · Transaction Code S

Traded Sep 2, 2026 · Disclosed Sep 4, 2026

Source: SEC Form 4 · 0001477932-26-005431 · filed 2026-09-04 · View filing →

SEC FORM 4
$92,107.42

ASP Isotopes Inc. (ASPI)

Sale of 23,678 shares at $3.89 per share.

Reporting Person Ainscow Donald George · Officer Title EVP, Gen Counsel, Secretary · Transaction Code S

Traded Sep 2, 2026 · Disclosed Sep 4, 2026

Source: SEC Form 4 · 0001477932-26-005432 · filed 2026-09-04 · View filing →