Donald George Ainscow - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Donald George Ainscow has filed 2 SEC Form 4 filings across 1 company in the last 90 days.
Profile
Donald George Ainscow is a corporate insider at ASP Isotopes Inc. (ASPI). Ainscow has reported 3 insider filings with the SEC since 2025. The most recent filing was in July 2026.
| Role | EVP, Gen Counsel, Secretary |
|---|---|
| Notability | 20/100 |
Board memberships
- ASP Isotopes Inc.
Trading Pattern
InsiderAlpha's records for Donald George Ainscow go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Donald George Ainscow has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- EVP, Gen Counsel, Secretary at ASP Isotopes Inc. (ASPI) - 3 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-11-28 | ASPI | ASP Isotopes Inc. | A - Grant or award | 400.0K | - |
Companies - Last 90 Days
- ASP Isotopes Inc. (ASPI) - 2 filings, last 2026-07-03
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Donald George Ainscow has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Paul Elliot Mann - $2.07M of ASPI open-market activity in the last 12 months
- Robert Ainscow - $957K of ASPI open-market activity in the last 12 months
- Todd Wider - $649K of ASPI open-market activity in the last 12 months
- Michael Gorley - $624K of ASPI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- DONEGAL MUTUAL INSURANCE CO
- DORCHESTER MINERALS OPERATING LP
- Robert W. Duggan
- John Earl
- EcoR1 Capital, LLC
- ECP ControlCo, LLC
- ECP Fiber Holdings GP, LLC
- Electrum Strategic Resources L.P.
Frequently Asked Questions
Who is Donald George Ainscow?
Donald George Ainscow is a corporate insider at ASP Isotopes Inc. (ASPI). Ainscow has reported 3 insider filings with the SEC since 2025. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Donald George Ainscow submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Donald George Ainscow's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Donald George Ainscow profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.