NASDAQ: ASPI
Asp Isotopes Inc Stock Ownership - Who owns Asp Isotopes?

Insider buying vs selling

Have Asp Isotopes Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert AinscowCOO2026-04-1622,500$5.21
$117.11kSell
Duncan MooreDirector2026-04-1611,642$5.21
$60.60kSell
Heather KiesslingChief Financial Officer2026-04-1523,124$5.48
$126.67kSell
Robert AinscowCOO2026-03-0625,000$4.51
$112.78kSell
Robert AinscowCOO2026-03-068,438$5.44
$45.89kSell
Paul Elliot MannExecutive Chairman2026-03-02162,153$5.44
$881.46kSell
Heather KiesslingChief Financial Officer2025-12-1880,000$5.80
$463.84kSell
Robert AinscowInterim CEO and COO2025-12-088,438$6.20
$52.34kSell
Paul Elliot MannExecutive Chairman2025-12-01162,153$5.75
$932.87kSell
Robert AinscowInterim CEO and COO2025-11-2525,000$5.77
$144.23kSell

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Net Insider Buy/Sell (L12M) Ownership

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ASPI Shareholders

What type of owners hold Asp Isotopes Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sergey Vasnetsov6.54%8,238,607$49.18MInsider
Paul Elliot Mann6.03%7,597,385$45.36MInsider
Hendrik Strydom5.87%7,394,846$44.15MInsider
Blackrock Inc5.39%6,789,417$40.53MInstitution
Ak Jensen Investment Management Ltd5.33%6,716,874$40.10MInsider
Vanguard Group Inc5.09%6,406,244$38.25MInstitution
Alyeska Investment Group LP3.89%4,895,546$29.23MInstitution
Rovida Investment Management Ltd3.26%4,100,000$24.48MInstitution
Einar Ronander2.86%3,597,424$21.48MInsider
Ubs Group Ag1.91%2,406,457$14.37MInstitution

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ASPI vs Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASPI46.51%31.44%Net BuyingNet Selling
WLKP11.04%88.96%Net Selling
RYAM66.31%8.38%Net BuyingNet Selling
ASIX88.74%6.30%Net BuyingNet Buying
LXU37.12%62.88%Net SellingNet Selling

Asp Isotopes Stock Ownership FAQ

Who owns Asp Isotopes?

Asp Isotopes (NASDAQ: ASPI) is owned by 46.51% institutional shareholders, 31.44% Asp Isotopes insiders, and 22.05% retail investors. Sergey Vasnetsov is the largest individual Asp Isotopes shareholder, owning 8.24M shares representing 6.54% of the company. Sergey Vasnetsov's Asp Isotopes shares are currently valued at $52.07M.

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