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

Insider buying vs selling

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

Buy
Sell
NameRoleDateSharesPriceValue
Larry SheltonDirector2026-07-132,400$4.60
$11.04kBuy
Joe ReederDirector2026-07-011,458$10.72
$15.63kBuy
Kerry C. DugganDirector2026-07-01819$10.72
$8.78kBuy
Mark A. ZweckerDirector2026-07-011,167$10.72
$12.51kBuy
Zach Paul WampDirector2026-07-01849$10.72
$9.10kBuy
Larry SheltonDirector2026-07-011,365$10.72
$14.63kBuy
Thomas BostickDirector2026-07-011,213$10.72
$13.00kBuy
Joseph Timothy GrumskiDirector2026-07-011,528$10.72
$16.38kBuy
Kerry C. DugganDirector2026-04-011,054$8.02
$8.45kBuy
Joseph Timothy GrumskiDirector2026-04-012,105$8.02
$16.88kBuy

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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 Inc6.30%1,170,303$19.47MInstitution
Mak Capital One LLC4.95%918,673$15.29MInstitution
Prescott Group Capital Management LLC4.19%777,142$12.93MInstitution
Vanguard Capital Management LLC4.09%759,435$12.64MInstitution
Christopher Paul Leichtweis4.02%747,112$12.43MInsider
Geode Capital Management LLC2.33%432,701$7.20MInstitution
Heartland Advisors Inc2.15%400,000$6.66MInstitution
Robert L. Ferguson2.11%392,325$6.53MInsider
Steven Baughman1.98%366,676$6.10MInsider
Diamond Hill Capital Management Inc1.92%355,978$5.92MInstitution

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PESI vs Waste Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PESI40.77%21.27%Net BuyingNet Buying
YDDL0.09%0.00%
LNZA0.76%99.24%Net Buying
ENGS2.62%0.00%
QRHC3.91%96.09%Net BuyingNet Buying

Perma Fix Environmental Services Stock Ownership FAQ

Who owns Perma Fix Environmental Services?

Perma Fix Environmental Services (NASDAQ: PESI) is owned by 40.77% institutional shareholders, 21.27% Perma Fix Environmental Services insiders, and 37.96% retail investors. Christopher Paul Leichtweis is the largest individual Perma Fix Environmental Services shareholder, owning 747,112.00 shares representing 4.02% of the company. Christopher Paul Leichtweis's Perma Fix Environmental Services shares are currently valued at $11.86M.

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