ASP Isotopes Inc.

Ownership Transactions Reported by 14 Insiders

Symbol
ASPI on Nasdaq
Location
601 Pennsylvania Avenue Nw, South Building, Suite 900, Washington, DC

Insiders trading volume in the past year

ASP Isotopes Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Paul Elliot Mann Executive Officer, Director $45.7M -$7.83M -14.6% Nov 17, 2025
AK Jensen Investment Management Ltd 10%+ Owner $40.5M Oct 11, 2024
Duncan Moore Director $9.23M -$696K -7.01% Aug 29, 2025
Robert Ainscow Interim CEO and COO $8.97M -$2.15M -19.3% Nov 25, 2025
Todd Wider Director $7.08M -$649K -8.4% Nov 12, 2025
Donald Ainscow EVP, Gen Counsel, Secretary $5.38M Aug 1, 2025
Heather Kiessling Chief Financial Officer $4.1M Apr 14, 2025
Sergey Vasnetsov Director $3.69M Mar 1, 2023
Hendrik Strydom Director, 10%+ Owner $3.65M Nov 15, 2022
Einar Ronander Chief Scientific Adviser, 10%+ Owner $3.45M Nov 9, 2022
Robert John Andrew Ryan Director $1.86M Dec 31, 2024
Joshua J. Donfeld Director $1.06M Oct 26, 2023
Michael Gorley Director $794K -$624K -44% Sep 30, 2025
Ralph L. Hunter JR Director $113K Sep 6, 2025

Recent Insider Transactions by Companies or Individuals for ASP Isotopes Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.