4
Changes in Ownership
ASP Isotopes Inc. Filed Acc 0001477932-25-006620
Chief Operating Officer sold 8,438 shares at $8.53 ($71,945)
- Chief Operating Officer acquired 297,000 shares (option exercise)
- Chief Operating Officer gave up 38,861 shares (to pay taxes)
- Traded under a Rule 10b5-1 plan
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Ainscow Robert Chief Operating Officer | 2025-09-08 | Sale 10b5-1 | −8,438 | $8.53 | $71,945 | 1,411,554 | D |
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Option exercise 10b5-1 | +150,000 | $0.25 | $37,500 | 1,564,554 | D |
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Shares withheld for taxes 10b5-1 | −4,396 | $8.53 | $37,498 | 1,557,158 | D |
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Option exercise 10b5-1 | +12,000 | $2.00 | $24,000 | 1,569,158 | D |
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Shares withheld for taxes 10b5-1 | −2,813 | $8.53 | $23,995 | 1,566,345 | D |
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Option exercise 10b5-1 | +135,000 | $2.00 | $270,000 | 1,701,345 | D |
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Shares withheld for taxes 10b5-1 | −31,652 | $8.53 | $269,992 | 1,669,693 | D |
| Derivatives | |||||||
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −150,000 | 0 | D | ||
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −12,000 | 0 | D | ||
| Ainscow Robert Chief Operating Officer | 2025-09-09 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −135,000 | 0 | D | ||
| Open-market sales · 8,438 sh · avg $8.53 · $71,945 | |||||||
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