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STX Insider Trading

Form 4 insider transactions for STX over the last 6 months. Buys, sells and grants by directors and officers.

InsiderDateTypeSharesPrice
MOSLEY WILLIAM DCEOOct 1, 2026Sell25,744$922.51
MOSLEY WILLIAM DCEOOct 1, 2026Option exercise14,000$46.23
Morris John ChristopherEVP & CTOSep 21, 2026Sell8,554$877.35
Morris John ChristopherEVP & CTOSep 21, 2026Option exercise915$158.40
Teh Ban SengEVP & Chief Commercial OfficerSep 15, 2026Sell50,970$781.81
MOSLEY WILLIAM DCEOSep 15, 2026Sell97,889$772.14
Romano GianlucaEVP & CFOSep 15, 2026Sell49,984$772.16
Morris John ChristopherEVP & CTOSep 15, 2026Sell15,466$772.15
Teh Ban SengEVP & Chief Commercial OfficerSep 14, 2026Option exercise52,730—
MOSLEY WILLIAM DCEOSep 14, 2026Option exercise177,000—
Chong Kian FattEVP Global OperationsSep 14, 2026Option exercise14,470—
Romano GianlucaEVP & CFOSep 14, 2026Option exercise90,380—
Morris John ChristopherEVP & CTOSep 14, 2026Option exercise30,130—
MOSLEY WILLIAM DCEOSep 14, 2026Sell1,870$781.23
Romano GianlucaEVP & CFOSep 14, 2026Sell955$781.24
Morris John ChristopherEVP & CTOSep 14, 2026Sell493$781.23
Teh Ban SengEVP & Chief Commercial OfficerSep 14, 2026Sell989$779.00
MOSLEY WILLIAM DCEOSep 11, 2026Option exercise3,319—
Romano GianlucaEVP & CFOSep 11, 2026Sell46,698$831.12
Romano GianlucaEVP & CFOSep 11, 2026Option exercise52,193$99.99
Morris John ChristopherEVP & CTOSep 11, 2026Option exercise942—
Chong Kian FattEVP Global OperationsSep 11, 2026Option exercise678—
Teh Ban SengEVP & Chief Commercial OfficerSep 11, 2026Option exercise989—
Romano GianlucaEVP & CFOSep 10, 2026Sell1,348$862.13
Morris John ChristopherEVP & CTOSep 10, 2026Sell572$862.13
Teh Ban SengEVP & Chief Commercial OfficerSep 10, 2026Sell663$860.09
MOSLEY WILLIAM DCEOSep 10, 2026Sell2,849$862.13
Romano GianlucaEVP & CFOSep 9, 2026Option exercise2,474—
Morris John ChristopherEVP & CTOSep 9, 2026Option exercise1,131—
Teh Ban SengEVP & Chief Commercial OfficerSep 9, 2026Option exercise1,263—
Chong Kian FattEVP Global OperationsSep 9, 2026Option exercise581—
MOSLEY WILLIAM DCEOSep 9, 2026Option exercise5,230—
Conyers Yolanda LeeSep 1, 2026Sell750$815.11
MOSLEY WILLIAM DCEOSep 1, 2026Sell29,080$816.07
MOSLEY WILLIAM DCEOSep 1, 2026Option exercise14,000$46.23
Lee James CIEVP & CLOAug 24, 2026Sell6,293$793.22
Lee James CIEVP & CLOAug 24, 2026Option exercise4,032$158.40
MOSLEY WILLIAM DCEOAug 21, 2026Sell18,139$849.35
Romano GianlucaEVP & CFOAug 21, 2026Sell9,076$849.35
Lee James CIEVP & CLOAug 21, 2026Sell3,939$849.35
Morris John ChristopherEVP & CTOAug 21, 2026Sell3,516$849.35
Teh Ban SengEVP & Chief Commercial OfficerAug 21, 2026Sell8,262$852.01
MOSLEY WILLIAM DCEOAug 20, 2026Option exercise33,789—
Romano GianlucaEVP & CFOAug 20, 2026Option exercise16,907—
Chong Kian FattEVP Global OperationsAug 20, 2026Option exercise6,846—
Lee James CIEVP & CLOAug 20, 2026Option exercise8,920—
Morris John ChristopherEVP & CTOAug 20, 2026Sell523$835.54
Morris John ChristopherEVP & CTOAug 20, 2026Option exercise7,578$158.40
Teh Ban SengEVP & Chief Commercial OfficerAug 20, 2026Sell4,928$843.39
Teh Ban SengEVP & Chief Commercial OfficerAug 20, 2026Option exercise18,189$158.40
Teh Ban SengEVP & Chief Commercial OfficerAug 13, 2026Sell7,361$920.80
Teh Ban SengEVP & Chief Commercial OfficerAug 13, 2026Option exercise6,002$76.43
Romano GianlucaEVP & CFOAug 7, 2026Sell17,011$802.76
MOSLEY WILLIAM DCEOAug 3, 2026Sell25,880$817.41
MOSLEY WILLIAM DCEOAug 3, 2026Option exercise14,000$46.23
Morris John ChristopherEVP & CTOAug 3, 2026Sell168$817.76
Lee James CIEVP & CLOJul 30, 2026Sell694$877.45
Lee James CIEVP & CLOJul 23, 2026Sell542$905.01
Lee James CIEVP & CLOJul 22, 2026Option exercise1,237—
MOSLEY WILLIAM DCEOJul 1, 2026Sell27,280$915.07
MOSLEY WILLIAM DCEOJul 1, 2026Option exercise14,000$46.23
MOSLEY WILLIAM DCEOJun 12, 2026Sell1,768$880.19
Romano GianlucaEVP & CFOJun 12, 2026Sell903$880.19
Teh Ban SengEVP & Chief Commercial OfficerJun 12, 2026Sell989$880.19
Morris John ChristopherEVP & CTOJun 12, 2026Sell1,364$880.19
MOSLEY WILLIAM DCEOJun 11, 2026Option exercise3,319—
Romano GianlucaEVP & CFOJun 11, 2026Option exercise1,695—
Chong Kian FattEVP Global OperationsJun 11, 2026Option exercise678—
Teh Ban SengEVP & Chief Commercial OfficerJun 11, 2026Option exercise989—
Morris John ChristopherEVP & CTOJun 11, 2026Option exercise942—
Romano GianlucaEVP & CFOJun 10, 2026Sell1,351$821.76
MOSLEY WILLIAM DCEOJun 10, 2026Sell2,855$821.74
Morris John ChristopherEVP & CTOJun 10, 2026Sell574$821.66
Teh Ban SengEVP & Chief Commercial OfficerJun 10, 2026Sell663$821.86
Romano GianlucaEVP & CFOJun 9, 2026Option exercise2,474—
MOSLEY WILLIAM DCEOJun 9, 2026Option exercise5,230—
Morris John ChristopherEVP & CTOJun 9, 2026Option exercise1,130—
Teh Ban SengEVP & Chief Commercial OfficerJun 9, 2026Option exercise1,262—
Chong Kian FattEVP Global OperationsJun 9, 2026Option exercise581—
Arumugavelu ShankarJun 4, 2026Sell1,000$927.68
BHATT PRATJun 2, 2026Sell1,000$929.88
MOSLEY WILLIAM DCEOJun 1, 2026Sell25,440$911.28
MOSLEY WILLIAM DCEOJun 1, 2026Option exercise14,000$46.23
Conyers Yolanda LeeJun 1, 2026Sell750$885.33
MOSLEY WILLIAM DCEOMay 20, 2026Sell29,800$751.21
MOSLEY WILLIAM DCEOMay 20, 2026Option exercise14,000$46.23
Teh Ban SengEVP & Chief Commercial OfficerMay 14, 2026Sell8,003$817.28
Teh Ban SengEVP & Chief Commercial OfficerMay 14, 2026Option exercise8,003$76.42
Teh Ban SengEVP & Chief Commercial OfficerMay 13, 2026Sell6,957$812.94
Romano GianlucaEVP & CFOMay 7, 2026Sell1,902$770.00
Romano GianlucaEVP & CFOMay 6, 2026Sell18,848$774.27
Tilenius StephanieMay 5, 2026Sell1,580$766.61
Lee James CIEVP & CLOMay 4, 2026Sell697$741.17
Morris John ChristopherEVP & CTOMay 4, 2026Sell5,626$738.37
Lee James CIEVP & CLOApr 22, 2026Tax withholding540$579.88
Lee James CIEVP & CLOApr 22, 2026Option exercise1,237—

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Source: SEC EDGAR Form 4 filings.