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 Mann6.25%9,579,845$38.32MInsider
Sergey Vasnetsov5.37%8,238,607$32.95MInsider
Hendrik Strydom4.82%7,394,846$29.58MInsider
Ak Jensen Investment Management Ltd4.38%6,716,874$26.87MInsider
Einar Ronander2.35%3,597,424$14.39MInsider
Robert Ainscow1.49%2,281,879$9.13MInsider
Heather Kiessling1.00%1,526,252$6.11MInsider
Joshua Jay Donfeld0.72%1,104,167$4.42MInsider
Duncan Moore0.68%1,044,928$4.18MInsider
Donald George Ainscow0.52%800,000$3.20MInsider

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ASPI vs Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASPI0.04%28.53%Net SellingNet Selling
BAK0.00%0.06%
RYAM0.08%8.55%Net SellingNet Selling
VHI0.00%100.00%Net Buying
LXU0.07%93.85%Net SellingNet Selling

Asp Isotopes Stock Ownership FAQ

Who owns Asp Isotopes?

Asp Isotopes (NASDAQ: ASPI) is owned by 0.04% institutional shareholders, 28.53% Asp Isotopes insiders, and 71.42% retail investors. Paul Elliot Mann is the largest individual Asp Isotopes shareholder, owning 9.58M shares representing 6.25% of the company. Paul Elliot Mann's Asp Isotopes shares are currently valued at $37.79M.

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