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



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        <issuerInfo>
            <issuerCik>0000884269</issuerCik>
            <issuerName>ALPHA PRO TECH, LTD.</issuerName>
            <secFileNumber>001-15725</secFileNumber>
            <issuerAddress>
                <ns2:street1>53 Wellington Street East</ns2:street1>
                <ns2:city>Aurora</ns2:city>
                <ns2:stateOrCountry>A6</ns2:stateOrCountry>
                <ns2:zipCode>L4G 1H6</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>905-479-0654</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JOHN P. RITOTA</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</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>819</noOfUnitsSold>
            <aggregateMarketValue>4864.86</aggregateMarketValue>
            <noOfUnitsOutstanding>11462034</noOfUnitsOutstanding>
            <approxSaleDate>03/21/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/21/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>819</amountOfSecuritiesAcquired>
            <paymentDate>03/21/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>JOHN P. RITOTA</name>
                <address>
                    <ns2:street1>53 Wellington Street East</ns2:street1>
                    <ns2:city>Aurora</ns2:city>
                    <ns2:stateOrCountry>A6</ns2:stateOrCountry>
                    <ns2:zipCode>L4G 1H6</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle> Common</securitiesClassTitle>
            <saleDate>03/20/2024</saleDate>
            <amountOfSecuritiesSold>6181</amountOfSecuritiesSold>
            <grossProceeds>36911.08</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/21/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ John P Ritota</signature>
        </noticeSignature>
    </formData>
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144
0001258162
XXXXXXXX
LIVE
0000884269
ALPHA PRO TECH, LTD.
001-15725
53 Wellington Street East
Aurora
A6
L4G 1H6
905-479-0654
JOHN P. RITOTA
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
819
4864.86
11462034
03/21/2024
NYSE
Common
03/21/2024
Exercise of options under a registered plan
Issuer
N
819
03/21/2024
Cash
N
JOHN P. RITOTA
53 Wellington Street East
Aurora
A6
L4G 1H6
Common
03/20/2024
6181
36911.08
03/21/2024
/s/ John P Ritota