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                <filerCredentials>
                    <cik>0001046080</cik>
                    <ccc>XXXXXXXX</ccc>
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            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



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    <formData>
        <issuerInfo>
            <issuerCik>0001037676</issuerCik>
            <issuerName>ARCH RESOURCES, INC.</issuerName>
            <secFileNumber>001-13105</secFileNumber>
            <issuerAddress>
                <ns2:street1>1 CityPlace Drive</ns2:street1>
                <ns2:street2>Suite 300</ns2:street2>
                <ns2:city>St. Louis</ns2:city>
                <ns2:stateOrCountry>MO</ns2:stateOrCountry>
                <ns2:zipCode>63141</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(314) 994-2700</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>IND OF TRUST OF JOHN W. EAVES</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>72946</noOfUnitsSold>
            <aggregateMarketValue>13497402.63</aggregateMarketValue>
            <noOfUnitsOutstanding>18360691</noOfUnitsOutstanding>
            <approxSaleDate>03/07/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/25/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>674</amountOfSecuritiesAcquired>
            <paymentDate>02/25/2023</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>10/13/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>6125</amountOfSecuritiesAcquired>
            <paymentDate>10/13/2023</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/26/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>11679</amountOfSecuritiesAcquired>
            <paymentDate>02/26/2024</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/27/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>42189</amountOfSecuritiesAcquired>
            <paymentDate>02/27/2023</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/27/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>7500</amountOfSecuritiesAcquired>
            <paymentDate>02/27/2023</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/26/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2538</amountOfSecuritiesAcquired>
            <paymentDate>02/26/2024</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/12/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1361</amountOfSecuritiesAcquired>
            <paymentDate>02/12/2024</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/09/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>880</amountOfSecuritiesAcquired>
            <paymentDate>02/09/2024</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/07/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ John Walton Eaves, Trustee</signature>
        </noticeSignature>
    </formData>
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144
0001046080
XXXXXXXX
LIVE
0001037676
ARCH RESOURCES, INC.
001-13105
1 CityPlace Drive
Suite 300
St. Louis
MO
63141
(314) 994-2700
IND OF TRUST OF JOHN W. EAVES
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
72946
13497402.63
18360691
03/07/2024
NYSE
Common
02/25/2023
Restricted stock vesting under a registered plan
Issuer
N
674
02/25/2023
Compensation
Common
10/13/2023
Restricted stock vesting under a registered plan
Issuer
N
6125
10/13/2023
Compensation
Common
02/26/2024
Restricted stock vesting under a registered plan
Issuer
N
11679
02/26/2024
Compensation
Common
02/27/2023
Restricted stock vesting under a registered plan
Issuer
N
42189
02/27/2023
Compensation
Common
02/27/2023
Restricted stock vesting under a registered plan
Issuer
N
7500
02/27/2023
Compensation
Common
02/26/2024
Restricted stock vesting under a registered plan
Issuer
N
2538
02/26/2024
Compensation
Common
02/12/2024
Restricted stock vesting under a registered plan
Issuer
N
1361
02/12/2024
Compensation
Common
02/09/2024
Restricted stock vesting under a registered plan
Issuer
N
880
02/09/2024
Compensation
Y
03/07/2024
/s/ John Walton Eaves, Trustee