Form 4 for STX Seagate Technology
Accepted 2026-08-11 16:21:12 ET · period of report 2026-08-07 · accession 0001137789-26-000170 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-08-11 16:21 | 2026-08-07 | STX | Romano Gianluca | EVP, CFO | S - Sale | $811.25 | -14.1K | 21.5K | -40% | -$11.43M |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary Shares | 2026-08-07 | S | D | 320 | $799.64 | 35,314.25 | D | — | — | (F1) All sales transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F2) These Ordinary Shares were sold in multiple trades at prices ranging from $799.13 to $799.92. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 2 | Common | Ordinary Shares | 2026-08-07 | S | D | 520 | $800.42 | 34,794.25 | D | — | — | (F3) These Ordinary Shares were sold in multiple trades at prices ranging from $800.18 to $801.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 3 | Common | Ordinary Shares | 2026-08-07 | S | D | 767 | $801.71 | 34,027.25 | D | — | — | (F4) These Ordinary Shares were sold in multiple trades at prices ranging from $801.19 to $802.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 4 | Common | Ordinary Shares | 2026-08-07 | S | D | 679 | $802.67 | 33,348.25 | D | — | — | (F5) These Ordinary Shares were sold in multiple trades at prices ranging from $802.21 to $803.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 5 | Common | Ordinary Shares | 2026-08-07 | S | D | 1,227 | $803.82 | 32,121.25 | D | — | — | (F6) These Ordinary Shares were sold in multiple trades at prices ranging from $803.26 to $804.23. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 6 | Common | Ordinary Shares | 2026-08-07 | S | D | 620 | $804.78 | 31,501.25 | D | — | — | (F7) These Ordinary Shares were sold in multiple trades at prices ranging from $804.30 to $805.28. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 7 | Common | Ordinary Shares | 2026-08-07 | S | D | 1,146 | $805.89 | 30,355.25 | D | — | — | (F8) These Ordinary Shares were sold in multiple trades at prices ranging from $805.35 to $806.33. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 8 | Common | Ordinary Shares | 2026-08-07 | S | D | 840 | $806.80 | 29,515.25 | D | — | — | (F9) These Ordinary Shares were sold in multiple trades at prices ranging from $806.37 to $807.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 9 | Common | Ordinary Shares | 2026-08-07 | S | D | 440 | $807.85 | 29,075.25 | D | — | — | (F10) These Ordinary Shares were sold in multiple trades at prices ranging from $807.39 to $808.31. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 10 | Common | Ordinary Shares | 2026-08-07 | S | D | 400 | $808.91 | 28,675.25 | D | — | — | (F11) These Ordinary Shares were sold in multiple trades at prices ranging from $808.49 to $809.30. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 11 | Common | Ordinary Shares | 2026-08-07 | S | D | 320 | $810.10 | 28,355.25 | D | — | — | (F12) These Ordinary Shares were sold in multiple trades at prices ranging from $809.58 to $810.57. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 12 | Common | Ordinary Shares | 2026-08-07 | S | D | 720 | $811.51 | 27,635.25 | D | — | — | (F13) These Ordinary Shares were sold in multiple trades at prices ranging from $810.98 to $811.86. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 13 | Common | Ordinary Shares | 2026-08-07 | S | D | 440 | $812.47 | 27,195.25 | D | — | — | (F14) These Ordinary Shares were sold in multiple trades at prices ranging from $811.99 to $812.93. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 14 | Common | Ordinary Shares | 2026-08-07 | S | D | 412 | $813.50 | 26,783.25 | D | — | — | (F15) These Ordinary Shares were sold in multiple trades at prices ranging from $813.03 to $813.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 15 | Common | Ordinary Shares | 2026-08-07 | S | D | 920 | $814.42 | 25,863.25 | D | — | — | (F16) These Ordinary Shares were sold in multiple trades at prices ranging from $814.10 to $814.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 16 | Common | Ordinary Shares | 2026-08-07 | S | D | 320 | $815.50 | 25,543.25 | D | — | — | (F17) These Ordinary Shares were sold in multiple trades at prices ranging from $815.20 to $815.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 17 | Common | Ordinary Shares | 2026-08-07 | S | D | 480 | $816.72 | 25,063.25 | D | — | — | (F18) These Ordinary Shares were sold in multiple trades at prices ranging from $816.26 to $817.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 18 | Common | Ordinary Shares | 2026-08-07 | S | D | 280 | $817.74 | 24,783.25 | D | — | — | (F19) These Ordinary Shares were sold in multiple trades at prices ranging from $817.29 to $818.27. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 19 | Common | Ordinary Shares | 2026-08-07 | S | D | 560 | $818.71 | 24,223.25 | D | — | — | (F20) These Ordinary Shares were sold in multiple trades at prices ranging from $818.41 to $819.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 20 | Common | Ordinary Shares | 2026-08-07 | S | D | 400 | $820.21 | 23,823.25 | D | — | — | (F21) These Ordinary Shares were sold in multiple trades at prices ranging from $819.76 to $820.58. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 21 | Common | Ordinary Shares | 2026-08-07 | S | D | 640 | $821.32 | 23,183.25 | D | — | — | (F22) These Ordinary Shares were sold in multiple trades at prices ranging from $821.01 to $821.86. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 22 | Common | Ordinary Shares | 2026-08-07 | S | D | 520 | $822.45 | 22,663.25 | D | — | — | (F23) These Ordinary Shares were sold in multiple trades at prices ranging from $822.01 to $822.95. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 23 | Common | Ordinary Shares | 2026-08-07 | S | D | 360 | $823.57 | 22,303.25 | D | — | — | (F24) These Ordinary Shares were sold in multiple trades at prices ranging from $823.13 to $824.10. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 24 | Common | Ordinary Shares | 2026-08-07 | S | D | 120 | $824.90 | 22,183.25 | D | — | — | (F25) These Ordinary Shares were sold in multiple trades at prices ranging from $824.46 to $825.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 25 | Common | Ordinary Shares | 2026-08-07 | S | D | 80 | $825.54 | 22,103.25 | D | — | — | (F26) These Ordinary Shares were sold in multiple trades at prices ranging from $825.52 to $825.57. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 26 | Common | Ordinary Shares | 2026-08-07 | S | D | 40 | $827.88 | 22,063.25 | D | — | — | |
| 27 | Common | Ordinary Shares | 2026-08-07 | S | D | 240 | $829.74 | 21,823.25 | D | — | — | (F27) These Ordinary Shares were sold in multiple trades at prices ranging from $829.14 to $830.04. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 28 | Common | Ordinary Shares | 2026-08-07 | S | D | 280 | $831.25 | 21,543.25 | D | — | — | (F28) These Ordinary Shares were sold in multiple trades at prices ranging from $831.05 to $832.04. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |