Form 4 for ASPI ASP Isotopes Inc.
Accepted 2026-06-03 21:45:14 ET · period of report 2026-05-28 · accession 0001477932-26-003630 · 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 | Kiessling Heather | CFO | A - Grant | — | +840.0K | 1.55M | +118% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-28 | A | A | 840,000 | — | 1,549,376 | 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. |