Form 4 for ASPI ASP Isotopes Inc.
Accepted 2025-09-10 00:00:00 ET · period of report 2025-09-08 · accession 0001477932-25-006619 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | F - Tax | $8.53 | -285.1K | 8.17M | -3% | -$2.43M |
| DMT | 2025-09-10 | 2025-09-08+ | ASPI | Mann Paul Elliot | CEO, Dir, 10% | S - Sale+OE | $8.46 | -162.2K | 7.23M | -2% | -$1.37M |
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | M - OptEx | $2.00 | +1.22M | 8.40M | +17% | +$2.43M |
| DMT | 2025-09-10 | 2025-09-09 | ASPI | Mann Paul Elliot | CEO, Dir, 10% | M - OptEx | $0.00 | -1.22M | 0 | -100% | $0 |
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 | 2025-09-09 | F | D | 50,644 | $8.53 | 7,399,734 | D | — | — | |
| 2 | Common | Common Stock | 2025-09-09 | S | D | 81,077 | $8.39 | 8,084,191 | D | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.135 to $8.575, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2. |
| 3 | Common | Common Stock | 2025-09-08 | S | D | 81,076 | $8.53 | 7,234,378 | D | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.135 to $8.575, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2. |
| 4 | Common | Common Stock | 2025-09-09 | M | A | 216,000 | $2.00 | 7,450,378 | D | — | — | |
| 5 | Common | Common Stock | 2025-09-09 | M | A | 1,000,000 | $2.00 | 8,399,734 | D | — | — | |
| 6 | Common | Common Stock | 2025-09-09 | F | D | 234,466 | $8.53 | 8,165,268 | D | — | — | |
| 7 | Derivative | Employee Stock Option (right to buy) | 2025-09-09 | M | D | 1,000,000 | $0.00 | 0 | D | $2.00 · 2025-06-10 to 2032-06-10 | 1,000,000 Common Stock | (F6) These options vested in thirty-six equal installments beginning on the last day of month after the option's grant date. The option was granted on June 10, 2022. |
| 8 | Derivative | Employee Stock Option (right to buy) | 2025-09-09 | M | D | 216,000 | $0.00 | 0 | D | $2.00 · 2023-04-04 to 2032-04-04 | 216,000 Common Stock | (F5) These options vested in a single installment 12 months after the grant date. The option was granted on April 4, 2022. |