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            <liveTestFlag>LIVE</liveTestFlag>



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            <secFileNumber>001-31560</secFileNumber>
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                <ns2:stateOrCountry>U0</ns2:stateOrCountry>
                <ns2:zipCode>739009</ns2:zipCode>
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            <issuerContactPhone>6560182562</issuerContactPhone>
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            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
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        <securitiesInformation>
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                <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>54347</noOfUnitsSold>
            <aggregateMarketValue>6900438.59</aggregateMarketValue>
            <noOfUnitsOutstanding>212217463</noOfUnitsOutstanding>
            <approxSaleDate>06/09/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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            <acquiredDate>06/09/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>54347</amountOfSecuritiesAcquired>
            <paymentDate>06/09/2025</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
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                    <ns2:city>Singapore</ns2:city>
                    <ns2:stateOrCountry>U0</ns2:stateOrCountry>
                    <ns2:zipCode>739009</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/03/2025</saleDate>
            <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
            <grossProceeds>6013555.00</grossProceeds>
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                <address>
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                    <ns2:stateOrCountry>U0</ns2:stateOrCountry>
                    <ns2:zipCode>739009</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/02/2025</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>2377534.00</grossProceeds>
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                    <ns2:stateOrCountry>U0</ns2:stateOrCountry>
                    <ns2:zipCode>739009</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/22/2025</saleDate>
            <amountOfSecuritiesSold>70000</amountOfSecuritiesSold>
            <grossProceeds>7663048.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
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                    <ns2:stateOrCountry>U0</ns2:stateOrCountry>
                    <ns2:zipCode>739009</ns2:zipCode>
                </address>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>04/01/2025</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>1691118.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>06/09/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>02/20/2025</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ William Mosley</signature>
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144
0001388390
XXXXXXXX
LIVE
0001137789
Seagate Technology Holdings plc
001-31560
121 Woodlands Avenue 5
Singapore
U0
739009
6560182562
WILLIAM MOSLEY
Director
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
54347
6900438.59
212217463
06/09/2025
NASDAQ
Common
06/09/2025
Exercise of Stock Options
Issuer
N
54347
06/09/2025
Cash
N
10b5-1 Sales for WILLIAM MOSLEY
121 Woodlands Avenue 5
Singapore
U0
739009
Common
06/03/2025
50000
6013555.00
10b5-1 Sales for WILLIAM MOSLEY
121 Woodlands Avenue 5
Singapore
U0
739009
Common
06/02/2025
20000
2377534.00
10b5-1 Sales for WILLIAM MOSLEY
121 Woodlands Avenue 5
Singapore
U0
739009
Common
05/22/2025
70000
7663048.00
10b5-1 Sales for WILLIAM MOSLEY
121 Woodlands Avenue 5
Singapore
U0
739009
Common
04/01/2025
20000
1691118.00
06/09/2025
02/20/2025
/s/ William Mosley