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
Heather KiesslingChief Financial Officer2026-07-0123,124$6.28
$145.22kSell
Todd WiderDirector2026-06-3050,000$6.12
$306.00kSell
Donald George AinscowEVP Gen Counsel Secretary2026-06-30100,000$6.14
$614.00kSell
Michael GorleyDirector2026-06-3030,000$6.27
$188.10kSell
Todd WiderDirector2026-06-2950,000$6.25
$312.50kSell
Robert AinscowCOO2026-06-088,438$7.00
$59.06kSell
Paul Elliot MannChairman and CEO2026-06-0383,759$7.76
$649.97kSell
Paul Elliot MannChairman and CEO2026-06-0283,758$8.29
$694.35kSell
Paul Elliot MannChairman and CEO2026-06-0183,758$7.88
$660.01kSell
Duncan MooreDirector2026-04-1611,642$5.21
$60.60kSell

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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
Paul Elliot Mann7.61%9,579,845$37.07MInsider
Blackrock Inc6.61%8,328,144$32.23MInstitution
Sergey Vasnetsov6.54%8,238,607$31.88MInsider
Hendrik Strydom5.87%7,394,846$28.62MInsider
Encompass Capital Advisors LLC5.49%6,912,054$26.75MInstitution
Ak Jensen Investment Management Ltd5.33%6,716,874$25.99MInsider
Vanguard Capital Management LLC4.02%5,060,464$19.58MInstitution
Rovida Investment Management Ltd3.26%4,100,000$15.87MInstitution
Einar Ronander2.86%3,597,424$13.92MInsider
Ubs Group Ag2.26%2,841,709$11.00MInstitution

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ASPI vs Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASPI50.71%34.74%Net SellingNet Selling
ASIX88.00%6.49%Net BuyingNet Buying
RYAM79.16%8.58%Net Selling
VHI0.07%99.93%Net BuyingNet Buying
WLKP11.02%88.98%Net Selling

Asp Isotopes Stock Ownership FAQ

Who owns Asp Isotopes?

Asp Isotopes (NASDAQ: ASPI) is owned by 50.71% institutional shareholders, 34.74% Asp Isotopes insiders, and 14.55% retail investors. Paul Elliot Mann is the largest individual Asp Isotopes shareholder, owning 9.58M shares representing 7.61% of the company. Paul Elliot Mann's Asp Isotopes shares are currently valued at $38.80M.

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