STX Insider Trading
Form 4 insider transactions for STX over the last 6 months. Buys, sells and grants by directors and officers.
| Insider | Date | Type | Shares | Price |
|---|---|---|---|---|
| MOSLEY WILLIAM DCEO | Nov 2, 2026 | Sell | 26,720 | $606.19 |
| MOSLEY WILLIAM DCEO | Nov 2, 2026 | Option exercise | 14,000 | $46.23 |
| Morris John ChristopherEVP & CTO | Oct 30, 2026 | Sell | 1,835 | $650.06 |
| Morris John ChristopherEVP & CTO | Oct 30, 2026 | Option exercise | 915 | $158.40 |
| Adams Mark | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Adams Mark | Oct 24, 2026 | Option exercise | 1,580 | — |
| Arumugavelu Shankar | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Arumugavelu Shankar | Oct 24, 2026 | Option exercise | 1,580 | — |
| BHATT PRAT | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| BHATT PRAT | Oct 24, 2026 | Option exercise | 1,580 | — |
| CANNON MICHAEL R | Oct 24, 2026 | Tax withholding | 449 | $630.49 |
| CANNON MICHAEL R | Oct 24, 2026 | Option exercise | 1,868 | — |
| CLEMMER RICHARD L | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| CLEMMER RICHARD L | Oct 24, 2026 | Option exercise | 1,580 | — |
| Geldmacher Jay L | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Geldmacher Jay L | Oct 24, 2026 | Option exercise | 1,580 | — |
| Haggart Dylan G. | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Haggart Dylan G. | Oct 24, 2026 | Option exercise | 1,580 | — |
| Szlosek Thomas A | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Szlosek Thomas A | Oct 24, 2026 | Option exercise | 1,580 | — |
| Tilenius Stephanie | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Tilenius Stephanie | Oct 24, 2026 | Option exercise | 1,580 | — |
| Conyers Yolanda Lee | Oct 24, 2026 | Tax withholding | 380 | $630.49 |
| Conyers Yolanda Lee | Oct 24, 2026 | Option exercise | 1,580 | — |
| Lee James CIEVP & CLO | Oct 23, 2026 | Sell | 547 | $642.14 |
| Lee James CIEVP & CLO | Oct 22, 2026 | Option exercise | 1,237 | — |
| MOSLEY WILLIAM DCEO | Oct 1, 2026 | Sell | 25,744 | $922.51 |
| MOSLEY WILLIAM DCEO | Oct 1, 2026 | Option exercise | 14,000 | $46.23 |
| Morris John ChristopherEVP & CTO | Sep 21, 2026 | Sell | 8,554 | $877.35 |
| Morris John ChristopherEVP & CTO | Sep 21, 2026 | Option exercise | 915 | $158.40 |
| Teh Ban SengEVP & Chief Commercial Officer | Sep 15, 2026 | Sell | 50,970 | $781.81 |
| MOSLEY WILLIAM DCEO | Sep 15, 2026 | Sell | 97,889 | $772.14 |
| Romano GianlucaEVP & CFO | Sep 15, 2026 | Sell | 49,984 | $772.16 |
| Morris John ChristopherEVP & CTO | Sep 15, 2026 | Sell | 15,466 | $772.15 |
| Teh Ban SengEVP & Chief Commercial Officer | Sep 14, 2026 | Option exercise | 52,730 | — |
| MOSLEY WILLIAM DCEO | Sep 14, 2026 | Option exercise | 177,000 | — |
| Chong Kian FattEVP Global Operations | Sep 14, 2026 | Option exercise | 14,470 | — |
| Romano GianlucaEVP & CFO | Sep 14, 2026 | Option exercise | 90,380 | — |
| Morris John ChristopherEVP & CTO | Sep 14, 2026 | Option exercise | 30,130 | — |
| MOSLEY WILLIAM DCEO | Sep 14, 2026 | Sell | 1,870 | $781.23 |
| Romano GianlucaEVP & CFO | Sep 14, 2026 | Sell | 955 | $781.24 |
| Morris John ChristopherEVP & CTO | Sep 14, 2026 | Sell | 493 | $781.23 |
| Teh Ban SengEVP & Chief Commercial Officer | Sep 14, 2026 | Sell | 989 | $779.00 |
| MOSLEY WILLIAM DCEO | Sep 11, 2026 | Option exercise | 3,319 | — |
| Romano GianlucaEVP & CFO | Sep 11, 2026 | Sell | 46,698 | $831.12 |
| Romano GianlucaEVP & CFO | Sep 11, 2026 | Option exercise | 52,193 | $99.99 |
| Morris John ChristopherEVP & CTO | Sep 11, 2026 | Option exercise | 942 | — |
| Chong Kian FattEVP Global Operations | Sep 11, 2026 | Option exercise | 678 | — |
| Teh Ban SengEVP & Chief Commercial Officer | Sep 11, 2026 | Option exercise | 989 | — |
| Romano GianlucaEVP & CFO | Sep 10, 2026 | Sell | 1,348 | $862.13 |
| Morris John ChristopherEVP & CTO | Sep 10, 2026 | Sell | 572 | $862.13 |
| Teh Ban SengEVP & Chief Commercial Officer | Sep 10, 2026 | Sell | 663 | $860.09 |
| MOSLEY WILLIAM DCEO | Sep 10, 2026 | Sell | 2,849 | $862.13 |
| Romano GianlucaEVP & CFO | Sep 9, 2026 | Option exercise | 2,474 | — |
| Morris John ChristopherEVP & CTO | Sep 9, 2026 | Option exercise | 1,131 | — |
| Teh Ban SengEVP & Chief Commercial Officer | Sep 9, 2026 | Option exercise | 1,263 | — |
| Chong Kian FattEVP Global Operations | Sep 9, 2026 | Option exercise | 581 | — |
| MOSLEY WILLIAM DCEO | Sep 9, 2026 | Option exercise | 5,230 | — |
| Conyers Yolanda Lee | Sep 1, 2026 | Sell | 750 | $815.11 |
| MOSLEY WILLIAM DCEO | Sep 1, 2026 | Sell | 29,080 | $816.07 |
| MOSLEY WILLIAM DCEO | Sep 1, 2026 | Option exercise | 14,000 | $46.23 |
| Lee James CIEVP & CLO | Aug 24, 2026 | Sell | 6,293 | $793.22 |
| Lee James CIEVP & CLO | Aug 24, 2026 | Option exercise | 4,032 | $158.40 |
| MOSLEY WILLIAM DCEO | Aug 21, 2026 | Sell | 18,139 | $849.35 |
| Romano GianlucaEVP & CFO | Aug 21, 2026 | Sell | 9,076 | $849.35 |
| Lee James CIEVP & CLO | Aug 21, 2026 | Sell | 3,939 | $849.35 |
| Morris John ChristopherEVP & CTO | Aug 21, 2026 | Sell | 3,516 | $849.35 |
| Teh Ban SengEVP & Chief Commercial Officer | Aug 21, 2026 | Sell | 8,262 | $852.01 |
| MOSLEY WILLIAM DCEO | Aug 20, 2026 | Option exercise | 33,789 | — |
| Romano GianlucaEVP & CFO | Aug 20, 2026 | Option exercise | 16,907 | — |
| Chong Kian FattEVP Global Operations | Aug 20, 2026 | Option exercise | 6,846 | — |
| Lee James CIEVP & CLO | Aug 20, 2026 | Option exercise | 8,920 | — |
| Morris John ChristopherEVP & CTO | Aug 20, 2026 | Sell | 523 | $835.54 |
| Morris John ChristopherEVP & CTO | Aug 20, 2026 | Option exercise | 7,578 | $158.40 |
| Teh Ban SengEVP & Chief Commercial Officer | Aug 20, 2026 | Sell | 4,928 | $843.39 |
| Teh Ban SengEVP & Chief Commercial Officer | Aug 20, 2026 | Option exercise | 18,189 | $158.40 |
| Teh Ban SengEVP & Chief Commercial Officer | Aug 13, 2026 | Sell | 7,361 | $920.80 |
| Teh Ban SengEVP & Chief Commercial Officer | Aug 13, 2026 | Option exercise | 6,002 | $76.43 |
| Romano GianlucaEVP & CFO | Aug 7, 2026 | Sell | 17,011 | $802.76 |
| MOSLEY WILLIAM DCEO | Aug 3, 2026 | Sell | 25,880 | $817.41 |
| MOSLEY WILLIAM DCEO | Aug 3, 2026 | Option exercise | 14,000 | $46.23 |
| Morris John ChristopherEVP & CTO | Aug 3, 2026 | Sell | 168 | $817.76 |
| Lee James CIEVP & CLO | Jul 30, 2026 | Sell | 694 | $877.45 |
| Lee James CIEVP & CLO | Jul 23, 2026 | Sell | 542 | $905.01 |
| Lee James CIEVP & CLO | Jul 22, 2026 | Option exercise | 1,237 | — |
| MOSLEY WILLIAM DCEO | Jul 1, 2026 | Sell | 27,280 | $915.07 |
| MOSLEY WILLIAM DCEO | Jul 1, 2026 | Option exercise | 14,000 | $46.23 |
| MOSLEY WILLIAM DCEO | Jun 12, 2026 | Sell | 1,768 | $880.19 |
| Romano GianlucaEVP & CFO | Jun 12, 2026 | Sell | 903 | $880.19 |
| Teh Ban SengEVP & Chief Commercial Officer | Jun 12, 2026 | Sell | 989 | $880.19 |
| Morris John ChristopherEVP & CTO | Jun 12, 2026 | Sell | 1,364 | $880.19 |
| MOSLEY WILLIAM DCEO | Jun 11, 2026 | Option exercise | 3,319 | — |
| Romano GianlucaEVP & CFO | Jun 11, 2026 | Option exercise | 1,695 | — |
| Chong Kian FattEVP Global Operations | Jun 11, 2026 | Option exercise | 678 | — |
| Teh Ban SengEVP & Chief Commercial Officer | Jun 11, 2026 | Option exercise | 989 | — |
| Morris John ChristopherEVP & CTO | Jun 11, 2026 | Option exercise | 942 | — |
| Romano GianlucaEVP & CFO | Jun 10, 2026 | Sell | 1,351 | $821.76 |
| MOSLEY WILLIAM DCEO | Jun 10, 2026 | Sell | 2,855 | $821.74 |
| Morris John ChristopherEVP & CTO | Jun 10, 2026 | Sell | 574 | $821.66 |
| Teh Ban SengEVP & Chief Commercial Officer | Jun 10, 2026 | Sell | 663 | $821.86 |
| Romano GianlucaEVP & CFO | Jun 9, 2026 | Option exercise | 2,474 | — |
| MOSLEY WILLIAM DCEO | Jun 9, 2026 | Option exercise | 5,230 | — |
| Morris John ChristopherEVP & CTO | Jun 9, 2026 | Option exercise | 1,130 | — |
| Teh Ban SengEVP & Chief Commercial Officer | Jun 9, 2026 | Option exercise | 1,262 | — |
| Chong Kian FattEVP Global Operations | Jun 9, 2026 | Option exercise | 581 | — |
| Arumugavelu Shankar | Jun 4, 2026 | Sell | 1,000 | $927.68 |
| BHATT PRAT | Jun 2, 2026 | Sell | 1,000 | $929.88 |
| MOSLEY WILLIAM DCEO | Jun 1, 2026 | Sell | 25,440 | $911.28 |
| MOSLEY WILLIAM DCEO | Jun 1, 2026 | Option exercise | 14,000 | $46.23 |
| Conyers Yolanda Lee | Jun 1, 2026 | Sell | 750 | $885.33 |
| MOSLEY WILLIAM DCEO | May 20, 2026 | Sell | 29,800 | $751.21 |
| MOSLEY WILLIAM DCEO | May 20, 2026 | Option exercise | 14,000 | $46.23 |
| Teh Ban SengEVP & Chief Commercial Officer | May 14, 2026 | Sell | 8,003 | $817.28 |
| Teh Ban SengEVP & Chief Commercial Officer | May 14, 2026 | Option exercise | 8,003 | $76.42 |
| Teh Ban SengEVP & Chief Commercial Officer | May 13, 2026 | Sell | 6,957 | $812.94 |
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Source: SEC EDGAR Form 4 filings.