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      <issuerName>PERMA FIX ENVIRONMENTAL SERVICES INC</issuerName>
      <secFileNumber>001-11596</secFileNumber>
      <issuerAddress>
        <com:street1>8302 DUNWOODY PLACE</com:street1>
        <com:street2>SUITE 250</com:street2>
        <com:city>ATLANTA</com:city>
        <com:stateOrCountry>GA</com:stateOrCountry>
        <com:zipCode>30350</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>7705879898</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Duggan Kerry C</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
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      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>John Kozely</name>
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          <com:street1>201 W. Big Beaver Road</com:street1>
          <com:street2>suite 930</com:street2>
          <com:city>Troy </com:city>
          <com:stateOrCountry>MI</com:stateOrCountry>
          <com:zipCode>48084</com:zipCode>
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      <noOfUnitsSold>16634</noOfUnitsSold>
      <aggregateMarketValue>180146.22</aggregateMarketValue>
      <noOfUnitsOutstanding>18444572</noOfUnitsOutstanding>
      <approxSaleDate>05/29/2025</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
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      <natureOfAcquisitionTransaction>Director Fees</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>888</amountOfSecuritiesAcquired>
      <paymentDate>07/01/2021</paymentDate>
      <natureOfPayment>Director Fees</natureOfPayment>
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    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/01/2021</acquiredDate>
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      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
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      <paymentDate>10/01/2021</paymentDate>
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      <acquiredDate>01/03/2022</acquiredDate>
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      <amountOfSecuritiesAcquired>1917</amountOfSecuritiesAcquired>
      <paymentDate>01/03/2022</paymentDate>
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    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>04/01/2022</acquiredDate>
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      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
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      <paymentDate>04/01/2022</paymentDate>
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      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>07/01/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Director Fees</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
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      <amountOfSecuritiesAcquired>2254</amountOfSecuritiesAcquired>
      <paymentDate>07/01/2022</paymentDate>
      <natureOfPayment>Director Fees</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/03/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Director Fees</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
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      <amountOfSecuritiesAcquired>2515</amountOfSecuritiesAcquired>
      <paymentDate>10/03/2022</paymentDate>
      <natureOfPayment>Director Fees</natureOfPayment>
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    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>01/03/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Director Fees</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
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      <paymentDate>01/03/2023</paymentDate>
      <natureOfPayment>Director Fees</natureOfPayment>
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      <acquiredDate>04/01/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Director Fees</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>993</amountOfSecuritiesAcquired>
      <paymentDate>04/01/2023</paymentDate>
      <natureOfPayment>Director Fees</natureOfPayment>
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    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>07/03/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Director Fees</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Perma-Fix Environmental Services, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1026</amountOfSecuritiesAcquired>
      <paymentDate>07/03/2023</paymentDate>
      <natureOfPayment>Director Fees</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/29/2025</noticeDate>
      <signature>Kerry Duggan</signature>
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144
0001861456
XXXXXXXX
LIVE
0000891532
PERMA FIX ENVIRONMENTAL SERVICES INC
001-11596
8302 DUNWOODY PLACE
SUITE 250
ATLANTA
GA
30350
7705879898
Duggan Kerry C
Director
Common Stock
John Kozely
201 W. Big Beaver Road
suite 930
Troy
MI
48084
16634
180146.22
18444572
05/29/2025
Nasdaq
Common Stock
07/01/2021
Director Fees
Perma-Fix Environmental Services, Inc.
N
888
07/01/2021
Director Fees
Common Stock
10/01/2021
Director Fees
Perma-Fix Environmental Services, Inc.
N
1733
10/01/2021
Director Fees
Common Stock
01/03/2022
Director Fees
Perma-Fix Environmental Services, Inc.
N
1917
01/03/2022
Director Fees
Common Stock
04/01/2022
Director Fees
Perma-Fix Environmental Services, Inc.
N
2116
04/01/2022
Director Fees
Common Stock
07/01/2022
Director Fees
Perma-Fix Environmental Services, Inc.
N
2254
07/01/2022
Director Fees
Common Stock
10/03/2022
Director Fees
Perma-Fix Environmental Services, Inc.
N
2515
10/03/2022
Director Fees
Common Stock
01/03/2023
Director Fees
Perma-Fix Environmental Services, Inc.
N
3192
01/03/2023
Director Fees
Common Stock
04/01/2023
Director Fees
Perma-Fix Environmental Services, Inc.
N
993
04/01/2023
Director Fees
Common Stock
07/03/2023
Director Fees
Perma-Fix Environmental Services, Inc.
N
1026
07/03/2023
Director Fees
Y
05/29/2025
Kerry Duggan