Company · CIK 0001921865 · SIC 2890 — Miscellaneous Chemical Products · Nasdaq
ASP Isotopes Inc. · ASPI
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 8, 2026 SForm 4 → | Sep 10, 9:45 pm EDT | Robert AinscowCOO | 8,438 | $4.29 | $36,216 | 2,248,441 | −0.37% | 10b5-1 |
| Sep 2, 2026 SForm 4 → | Sep 4, 9:33 pm EDT | Donald George AinscowEVP, Gen Counsel, Secretary | 23,678 | $3.89 | $92,107 | 776,322 | −2.96% | |
| Sep 2, 2026 SForm 4 → | Sep 4, 9:32 pm EDT | Robert AinscowCOO | 25,000 | $3.91 | $97,625 | 2,256,879 | −1.10% | 10b5-1 |
| Sep 2, 2026 SForm 4 → | Sep 4, 9:30 pm EDT | Paul Elliot MannChairman and CEO, Director | 251,275 | $3.98 | $999,237 | 9,328,570 | −2.62% | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 2, 9:45 pm EDT | Heather KiesslingChief Financial Officer | 23,124 | $6.28 | $145,219 | 1,526,252 | −1.49% | 10b5-1 |
| Jun 30, 2026 SForm 4 → | Jul 2, 9:45 pm EDT | Donald George AinscowEVP, Gen Counsel, Secretary | 100,000 | $6.14 | $614,000 | 800,000 | −11.1% | |
| Jun 30, 2026 SForm 4 → | Jul 1, 9:45 pm EDT | Michael GorleyDirector | 30,000 | $6.27 | $188,100 | 87,908 | −25.4% | |
| Jun 29, 2026 SForm 4 → | Jul 1, 9:45 pm EDT | Todd WiderDirector | 100,000 | $6.19 | $618,500 | 672,247 | −12.9% | |
| Jun 8, 2026 SForm 4 → | Jun 10, 9:48 pm EDT | Robert AinscowCOO | 8,438 | $7.00 | $59,058 | 2,281,879 | −0.37% | 10b5-1 |
| Jun 1, 2026 SForm 4 → | Jun 3, 9:45 pm EDT | Paul Elliot MannChairman and CEO, Director | 251,275 | $7.98 | $2,004,337 | 9,579,845 | −2.56% | 10b5-1 |
| May 28, 2026 AForm 4 → | Jun 3, 9:45 pm EDT | Paul Elliot MannChairman and CEO, Director | 2,233,555 | — | — | 9,830,940 | — | 10b5-1 late |
| May 28, 2026 AForm 4 → | Jun 3, 9:45 pm EDT | Robert AinscowChief Operating Officer | 800,000 | — | — | 2,290,317 | — | late |
| May 28, 2026 AForm 4 → | Jun 3, 9:45 pm EDT | Donald George AinscowEVP, Gen Counsel, Secretary | 400,000 | — | — | 900,000 | — | late |
| May 28, 2026 AForm 4 → | Jun 3, 9:45 pm EDT | Heather KiesslingChief Financial Officer | 840,000 | — | — | 1,549,376 | — | late |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.