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
Kerry C. DugganDirector2026-04-011,054$8.02
$8.45kBuy
Mark A. ZweckerDirector2026-04-011,520$8.02
$12.19kBuy
Zach Paul WampDirector2026-04-011,094$8.02
$8.77kBuy
Thomas BostickDirector2026-04-011,559$8.02
$12.50kBuy
Larry SheltonDirector2026-04-011,824$8.02
$14.62kBuy
Joe ReederDirector2026-04-011,886$8.02
$15.12kBuy
Joseph Timothy GrumskiDirector2026-04-012,105$8.02
$16.88kBuy
Richard GrondinEVP of Hanford Int. Waste Op2026-01-206,000$3.95
$23.70kBuy
Richard GrondinEVP of Hanford Int. Waste Op2026-01-205,000$7.01
$35.03kBuy
Richard GrondinEVP of Hanford Int. Waste Op2026-01-202,555$13.71
$35.03kSell

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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$12.87MInstitution
Mak Capital One LLC4.95%918,673$10.10MInstitution
Prescott Group Capital Management LLC4.19%777,142$8.54MInstitution
Vanguard Capital Management LLC4.09%759,435$8.35MInstitution
Christopher Paul Leichtweis4.02%747,112$8.21MInsider
Geode Capital Management LLC2.33%432,701$4.76MInstitution
Heartland Advisors Inc2.15%400,000$4.40MInstitution
Robert L. Ferguson2.11%392,325$4.31MInsider
Steven Baughman1.98%366,676$4.03MInsider
Diamond Hill Capital Management Inc1.92%355,978$3.91MInstitution

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PESI vs Waste Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PESI40.77%21.20%Net BuyingNet Buying
YDDL0.09%0.00%
LNZA0.80%99.20%Net Buying
QRHC3.91%96.09%Net BuyingNet Buying
ENGS2.63%0.00%

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, 21.20% Perma Fix Environmental Services insiders, and 38.03% 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 $8.21M.

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