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 KiesslingCFO2026-10-1621,830$2.19
$47.81kSell
Robert AinscowCOO2026-10-1422,500$2.11
$47.57kSell
Robert John Andrew RyanDirector2026-09-3015,000$2.68
$40.20kBuy
Robert John Andrew RyanDirector2026-09-288,000$2.70
$21.60kBuy
Robert AinscowCOO2026-09-088,438$4.29
$36.22kSell
Paul Elliot MannCEO;Chair2026-09-0483,759$4.10
$343.41kSell
Paul Elliot MannCEO;Chair2026-09-0383,758$3.92
$328.33kSell
Paul Elliot MannCEO;Chair2026-09-0283,758$3.91
$327.49kSell
Robert AinscowCOO2026-09-0225,000$3.91
$97.63kSell
Donald George AinscowSec;EVP2026-09-0223,678$3.89
$92.11kSell

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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 Mann6.08%9,328,570$18.14MInsider
Sergey Vasnetsov5.37%8,238,607$16.02MInsider
Hendrik Strydom4.82%7,394,846$14.38MInsider
Ak Jensen Investment Management Ltd4.38%6,716,874$13.06MInsider
Einar Ronander2.35%3,597,424$7.00MInsider
Robert Ainscow1.45%2,225,941$4.33MInsider
Heather Kiessling0.98%1,504,422$2.93MInsider
Joshua Jay Donfeld0.72%1,104,167$2.15MInsider
Duncan Moore0.68%1,044,928$2.03MInsider
Donald George Ainscow0.51%776,322$1.51MInsider

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ASPI vs Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASPI0.04%28.32%Net SellingNet Selling
VHI0.00%100.00%Net Buying
ASIX0.09%6.48%Net BuyingNet Buying
RYAM0.08%8.55%Net SellingNet Selling
ACNT0.06%39.64%Net BuyingNet Selling

Asp Isotopes Stock Ownership FAQ

Who owns Asp Isotopes?

Asp Isotopes (NASDAQ: ASPI) is owned by 0.04% institutional shareholders, 28.32% Asp Isotopes insiders, and 71.64% retail investors. Paul Elliot Mann is the largest individual Asp Isotopes shareholder, owning 9.33M shares representing 6.08% of the company. Paul Elliot Mann's Asp Isotopes shares are currently valued at $18.14M.

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