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NASDAQ: PESI
Perma Fix Environmental Services Inc Stock Ownership - Who owns Perma Fix Environmental Services?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Perma Fix Environmental Services Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Zach Paul WampDirector2025-10-011,201$7.58
$9.10kBuy
Joe ReederDirector2025-10-012,063$7.58
$15.63kBuy
Joseph Timothy GrumskiDirector2025-10-012,228$7.58
$16.88kBuy
Thomas BostickDirector2025-10-011,716$7.58
$13.00kBuy
Mark A. ZweckerDirector2025-10-011,609$7.58
$12.19kBuy
Larry SheltonDirector2025-10-011,931$7.58
$14.63kBuy
Kerry C. DugganDirector2025-10-011,158$7.58
$8.77kBuy
Kerry C. DugganDirector2025-09-165,653$8.60
$48.62kSell
Larry SheltonDirector2025-09-111,000$8.58
$8.58kBuy
Mark DuffPresident and CEO2025-09-11897$8.05
$7.22kBuy

1 of 6

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Net Insider Buy/Sell (L12M) Ownership

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PESI Shareholders

What type of owners hold Perma Fix Environmental Services Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc6.40%1,180,484$12.40MInstitution
Vanguard Group Inc4.96%914,607$9.60MInstitution
Prescott Group Capital Management LLC4.21%777,142$8.16MInstitution
Christopher Paul Leichtweis4.05%747,112$7.84MInsider
Heartland Advisors Inc2.61%481,150$5.05MInstitution
Geode Capital Management LLC2.29%421,959$4.43MInstitution
Diamond Hill Capital Management Inc2.14%394,416$4.14MInstitution
Robert L. Ferguson2.13%392,325$4.12MInsider
Steven Baughman1.99%366,676$3.85MInsider
Joe Reeder1.85%341,015$3.58MInsider

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PESI vs Waste Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PESI36.28%21.27%Net BuyingNet Buying
ESGL0.11%11.00%
ENGS0.30%0.00%
ALTS1.56%2.33%Net BuyingNet Buying
LNZA33.63%66.37%
View Top Waste Management Stocks

Perma Fix Environmental Services Stock Ownership FAQ

Who owns Perma Fix Environmental Services?

Perma Fix Environmental Services (NASDAQ: PESI) is owned by 36.28% institutional shareholders, 21.27% Perma Fix Environmental Services insiders, and 42.45% retail investors. Christopher Paul Leichtweis is the largest individual Perma Fix Environmental Services shareholder, owning 747,112.00 shares representing 4.05% of the company. Christopher Paul Leichtweis's Perma Fix Environmental Services shares are currently valued at $8.29M.

If you're new to stock investing, here's how to buy Perma Fix Environmental Services stock.
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