Senior insider sale
Chief Financial Officer at ASP ISOTOPES INC. — senior position signals high conviction
$231.2K
46.25K shares
What this filing means
KIESSLING HEATHER plans to sell 46.25K shares of ASP ISOTOPES INC. valued at approximately $231.2K. 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.
Filed: 4/15/2026ACC: 0001968582-26-000359
Officer· Chief Financial Officer
46.25K
Shares to sell
$231.2K
Approx. market value
46.25K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months2
Restricted Stock Award
N/A
4/15/2026
23.12KRestricted Stock Award
N/A
4/14/2026
23.12KTotal acquired46.25K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
4/15/2026 | Restricted Stock Award N/A | 23.12K | — |
4/14/2026 | Restricted Stock Award N/A | 23.12K | — |
| Total | 46.25K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
46.25K
Market value
$231.2K
4/15/2026
Total
Units
46.25K
Value
$231.2K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
4/15/2026 | 46.25K | $231.2K | NASDAQ | Planned |
| Total | 46.25K | $231.2K | ||