SEC Form 4 · accession 0001477932-26-003631
ASP Isotopes Inc. · ASPI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Donald George Ainscow
Officer — EVP, Gen Counsel, Secretary
Period of report
May 28, 2026
Accepted (ET)
Jun 3, 2026 · 9:45 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001921865
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | May 28, 2026 | A | 400,000 | — | A | 900,000 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This award of common stock shall vest (subject to compliance with applicable vesting conditions) in semi-annual installments over a four-year period beginning on the grant date.