Ainscow Robert sold ASPI

September 2, 2026 · Form 4 insider transaction

Ainscow Robert sold 25,000 shares of ASP Isotopes Inc. at $3.90 per share, a transaction worth $97.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4.

Direction
Disposed (sell-side)
Shares
25,000
Price
$3.90
Total value
$97.6K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 2, 2026
Filing dateSeptember 4, 2026
Shares owned after2,256,879
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on December 13, 2024.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.75 to $3.96, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2.

View the original Form 4 on SEC EDGAR