Moore Duncan sold ASPI

April 16, 2026 · Form 4 insider transaction

Moore Duncan sold 11,642 shares of ASP Isotopes Inc. at $5.21 per share, a transaction worth $60.6K. 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
11,642
Price
$5.21
Total value
$60.6K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateApril 16, 2026
Filing dateApril 17, 2026
Shares owned after1,044,928
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The sale of shares reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on December 31, 2025 and includes an amount for the purpose of satisfying the reporting person's income tax liabilities resulting from the vesting of a previously granted restricted stock award pursuant to an issuer equity incentive plan.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.055 to $5.52, 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