Robert Ainscow - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Robert Ainscow has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $957K.
Profile
Robert Ainscow is a corporate insider at ASP Isotopes Inc. (ASPI). Ainscow has reported 8 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | COO |
|---|---|
| Notability | 20/100 |
Board memberships
- ASP Isotopes Inc.
Trading Pattern
InsiderAlpha's records for Robert Ainscow go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 3 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Robert 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.
- COO at ASP Isotopes Inc. (ASPI) - 4 filings, 2026
- Chief Operating Officer at ASP Isotopes Inc. (ASPI) - 1 filing, 2026
- Interim CEO and COO at ASP Isotopes Inc. (ASPI) - 3 filings, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-11-28 | ASPI | ASP Isotopes Inc. | S - Open-market sale [10b5-1] | 25.0K | $5.77 | $144K |
| 2025-11-19 | ASPI | ASP Isotopes Inc. | S - Open-market sale [10b5-1] | 67.5K | $7.51 | $507K |
| 2025-10-16 | ASPI | ASP Isotopes Inc. | S - Open-market sale [10b5-1] | 22.5K | $13.60 | $306K |
Companies - Last 90 Days
- ASP Isotopes Inc. (ASPI) - 2 filings, last 2026-06-11
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Robert 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
- 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:
- Saul B. Rosenthal
- Jack Ross
- Martine A. Rothblatt
- Saba Capital Management, L.P.
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
Frequently Asked Questions
Who is Robert Ainscow?
Robert Ainscow is a corporate insider at ASP Isotopes Inc. (ASPI). Ainscow has reported 8 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Robert Ainscow submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Robert Ainscow been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($957K) across all tracked filings.
Where can I see all of Robert 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 Robert Ainscow profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.