InsiderTrades

Form 4 for ASPI ASP Isotopes Inc.

Accepted 2026-06-03 21:45:23 ET · period of report 2026-05-28 · accession 0001477932-26-003631 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-06-03 21:45 2026-05-28 ASPI Ainscow Donald George EVP, Gen Counsel, Sec A - Grant — +400.0K 900.0K +80% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-28 A A 400,000 — 900,000 D — — (F1) This 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. (F1) This 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.