Insider filing · ASPI
Robert Ainscow
Interim CEO and COO
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ASP Isotopes Inc.
ASPI · Basic Materials · 21 filings in 24 months
ticker →
Robert Ainscow sold $507K of ASP Isotopes (ASPI)
Executed Nov 17 2025, disclosed Nov 19 2025, 2 days later.
Value, as filed
$507K
67,500 sh × $7.51
Executed
Nov 17 2025
the trade date, as filed
Disclosed
Nov 19 2025
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
RARobert Ainscow (Interim CEO and COO) filed 5 Form 4 reports in the trailing twelve months (0 purchases, 5 sales, 1 filed past the two-business-day deadline), most often in ASP Isotopes Inc. (ASPI). The largest single filing was $507K of ASPI (67,500 sh × $7.51, as filed), executed Nov 17 2025.
The name
ASPIBasic Materials · ASP Isotopes Inc., a development stage advanced materials company, engages in the production, distribution, marketing, and sale of isotopes…
More Basic Materials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Robert Ainscow in ASPI
ASPISALE
ASP Isotopes Inc.
$117K22,500 sh × $5.21
Exec Apr 16
Filed Apr 17 · 5:30 PM ET ASPISALE ASP Isotopes Inc. $113K
25,000 sh × $4.51
Exec Mar 6
Filed Apr 13 · 5:30 PM ET † ASPISALE ASP Isotopes Inc. $144K
25,000 sh × $5.77
Exec Nov 25 2025
Filed Nov 28 2025 · 5:30 PM ET ASPISALE ASP Isotopes Inc. $306K
22,500 sh × $13.60
Exec Oct 14 2025
Filed Oct 16 2025 · 5:30 PM ET ASPISALE ASP Isotopes Inc. $1.1M
200,000 sh across 3 lots
Exec Apr 15 2025
Filed Apr 17 2025 · 5:30 PM ET