AINSCOW DONALD GEORGE

PrivateCIK: 2079961
Location

DALLAS, TX

Senior insider sale

EVP, Gen Counsel, Secretary at ASP ISOTOPES INC. — senior position signals high conviction

$808.4K

150K shares

What this filing means

AINSCOW DONALD GEORGE plans to sell 150K shares of ASP ISOTOPES INC. valued at approximately $808.4K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderAINSCOW DONALD GEORGECIK 2079961
IssuerASP ISOTOPES INC.CIK 1921865
Officer· EVP, Gen Counsel, Secretary
150K
Shares to sell
$808.4K
Approx. market value
400K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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Acquired as compensation - Restricted Stock Award

N/A

8/1/2025
400K
Total acquired400K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

100K

Market value

$614.0K

6/30/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

50K

Market value

$194.4K

9/2/2026
Total

Units

150K

Value

$808.4K