🕵️ ASP Isotopes Inc. ($ASPI)
SEC insider & ownership activity, last 12 months · CIK 1921865 · every row links its SEC filing
Over the last 12 months insiders sold $11.9M with no open-market buying against it. Mann Paul Elliot sold $6.3M through a 10b5-1 trading plan in 9 lots (Sep–Jun). Mann Paul Elliot trimmed 10.8% → 7.0%; Blackrock, Inc. added 5.5% → 6.6%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 7 sellers, $11.9M (29 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Mann Paul Elliot | 0 | – | 9 | $6.3M | Jun 3, 2026 |
| Ainscow Robert | 0 | – | 9 | $1.4M | Jun 8, 2026 |
| Wider Todd | 0 | – | 3 | $1.3M | Jun 30, 2026 |
| Gorley Michael | 0 | – | 2 | $812K | Jun 30, 2026 |
| Moore Duncan | 0 | – | 2 | $757K | Apr 16, 2026 |
| Kiessling Heather | 0 | – | 3 | $736K | Jul 1, 2026 |
| Ainscow Donald George | 0 | – | 1 | $614K | Jun 30, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Mann Paul Elliot | 7.0% | 13G | Feb 17, 2026 | filing ↗ | |
| Blackrock, Inc. | 6.6% | 13G | Apr 27, 2026 | filing ↗ | |
| AK Jensen Investment Management Ltd | 5.4% | 13G | Nov 14, 2025 | filing ↗ | |
| Encompass Capital Advisors LLC | 5.1% | 13G | Jan 23, 2026 | filing ↗ | |
| Todd J. Kantor | 5.1% | 13G | Jan 23, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Ainscow Donald George | $622K | Jun 30, 2026 | filing ↗ |
| Todd Wider | $628K | Jun 29, 2026 | filing ↗ |
| Gorley Michael | $187K | Jun 29, 2026 | filing ↗ |
| Ainscow Robert | $58K | Jun 8, 2026 | filing ↗ |
| Mann Paul Elliot | $2.0M | Jun 1, 2026 | filing ↗ |
| Moore Duncan | $63K | Apr 16, 2026 | filing ↗ |
| Ainscow Robert | $121K | Apr 16, 2026 | filing ↗ |
| Heather Kiessling | $231K | Apr 15, 2026 | filing ↗ |
| Ainscow Robert | $112K | Apr 13, 2026 | filing ↗ |
| Ainscow Robert | $43K | Mar 6, 2026 | filing ↗ |
| Mann Paul Elliot | $866K | Mar 2, 2026 | filing ↗ |
| Heather Kiessling | $461K | Dec 18, 2025 | filing ↗ |
| Ainscow Robert | $52K | Dec 8, 2025 | filing ↗ |
| Mann Paul Elliot | $1.1M | Dec 1, 2025 | filing ↗ |
| Mann Paul Elliot | $325K | Nov 25, 2025 | filing ↗ |
| Ainscow Robert | $162K | Nov 25, 2025 | filing ↗ |
| Ainscow Robert | $439K | Nov 17, 2025 | filing ↗ |
| Mann Paul Elliot | $731K | Nov 15, 2025 | filing ↗ |
| Ainscow Robert | $300K | Oct 14, 2025 | filing ↗ |
| Gorley Michael | $662K | Sep 30, 2025 | filing ↗ |
| Todd Wider | $658K | Sep 12, 2025 | filing ↗ |
| Ainscow Robert | $69K | Sep 8, 2025 | filing ↗ |
| Mann Paul Elliot | $69K | Sep 8, 2025 | filing ↗ |
| Moore Duncan | $790K | Aug 29, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 21, 2026 | filing ↗ |
| Other events (8.01) | Jul 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 16, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 15, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jul 15, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 15, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 25, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jun 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 25, 2026 | filing ↗ |
| Other events (8.01) | Jun 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 23, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 10, 2026 | filing ↗ |