KIESSLING HEATHER

PrivateCIK: 2026548
Location

DALLAS, TX

Senior insider sale

Chief Financial Officer at ASP ISOTOPES INC. — senior position signals high conviction

$48.0K

21.83K shares

What this filing means

KIESSLING HEATHER plans to sell 21.83K shares of ASP ISOTOPES INC. valued at approximately $48.0K. 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.

InsiderKIESSLING HEATHERCIK 2026548
→
IssuerASP ISOTOPES INC.CIK 1921865
Officer· Chief Financial Officer
21.83K
Shares to sell
$48.0K
Approx. market value
400K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
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Acquired as compensation - Restricted Stock Award

N/A

4/14/2025
400K
Total acquired400K
Planned & Completed Dispositions1
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NASDAQPlanned

Units to sell

21.83K

Market value

$48.0K

10/16/2026
Total

Units

21.83K

Value

$48.0K

KIESSLING HEATHER — Planned Insider Sale (Form 144) | Finecho