Form 4 for STX Seagate Technology
Accepted 2026-08-11 16:21:04 ET · period of report 2026-08-07 · accession 0001137789-26-000169 · 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 | $781.64 | -7,240 | 35.6K | -17% | -$5.66M |
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 | 200 | $763.39 | 42,674.25 | 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 $762.99 to $763.68. 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. (F3) Includes 14 Ordinary Shares purchased by Reporting Person on July 31, 2026 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934. |
| 2 | Common | Ordinary Shares | 2026-08-07 | S | D | 160 | $765.58 | 42,514.25 | D | — | — | (F4) These Ordinary Shares were sold in multiple trades at prices ranging from $765.35 to $765.76. 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. |
| 3 | Common | Ordinary Shares | 2026-08-07 | S | D | 400 | $767.81 | 42,114.25 | D | — | — | (F5) These Ordinary Shares were sold in multiple trades at prices ranging from $767.22 to $768.20. 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 | 560 | $769.21 | 41,554.25 | D | — | — | (F6) These Ordinary Shares were sold in multiple trades at prices ranging from $768.69 to $769.66. 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 | 320 | $770.27 | 41,234.25 | D | — | — | (F7) These Ordinary Shares were sold in multiple trades at prices ranging from $770.03 to $770.91. 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. |
| 6 | Common | Ordinary Shares | 2026-08-07 | S | D | 321 | $771.40 | 40,913.25 | D | — | — | (F8) These Ordinary Shares were sold in multiple trades at prices ranging from $771.03 to $772.00. 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 | 320 | $772.45 | 40,593.25 | D | — | — | (F9) These Ordinary Shares were sold in multiple trades at prices ranging from $772.06 to $773.00. 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 | 280 | $773.60 | 40,313.25 | D | — | — | (F10) These Ordinary Shares were sold in multiple trades at prices ranging from $773.06 to $774.02. 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 | 192 | $774.27 | 40,121.25 | D | — | — | (F11) These Ordinary Shares were sold in multiple trades at prices ranging from $774.09 to 774.52. 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 | 127 | $775.52 | 39,994.25 | D | — | — | (F12) These Ordinary Shares were sold in multiple trades at prices ranging from $775.22 to $776.07. 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 | 200 | $776.94 | 39,794.25 | D | — | — | (F13) These Ordinary Shares were sold in multiple trades at prices ranging from $776.55 to $777.21. 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. |
| 12 | Common | Ordinary Shares | 2026-08-07 | S | D | 120 | $778.54 | 39,674.25 | D | — | — | (F14) These Ordinary Shares were sold in multiple trades at prices ranging from $777.95 to $778.89. 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 | $779.73 | 39,234.25 | D | — | — | (F15) These Ordinary Shares were sold in multiple trades at prices ranging from $779.22 to $780.20. 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 | 80 | $780.22 | 39,154.25 | D | — | — | |
| 15 | Common | Ordinary Shares | 2026-08-07 | S | D | 120 | $781.89 | 39,034.25 | D | — | — | (F16) These Ordinary Shares were sold in multiple trades at prices ranging from $781.39 to $782.26. 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 | 200 | $782.96 | 38,834.25 | D | — | — | (F17) These Ordinary Shares were sold in multiple trades at prices ranging from $782.59 to $783.49. 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 | 120 | $784.34 | 38,714.25 | D | — | — | (F18) These Ordinary Shares were sold in multiple trades at prices ranging from $783.87 to $784.86. 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. |
| 18 | Common | Ordinary Shares | 2026-08-07 | S | D | 200 | $785.08 | 38,514.25 | D | — | — | (F19) These Ordinary Shares were sold in multiple trades at prices ranging from $784.92 to $785.26. 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 | 200 | $787.35 | 38,314.25 | D | — | — | (F20) These Ordinary Shares were sold in multiple trades at prices ranging from $786.92 to $787.55. 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 | 160 | $788.60 | 38,154.25 | D | — | — | (F21) These Ordinary Shares were sold in multiple trades at prices ranging from $788.11 to $789.00. 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 | 240 | $789.45 | 37,914.25 | D | — | — | (F22) These Ordinary Shares were sold in multiple trades at prices ranging from $789.17 to $790.14. 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. |
| 22 | Common | Ordinary Shares | 2026-08-07 | S | D | 80 | $790.53 | 37,834.25 | D | — | — | (F23) These Ordinary Shares were sold in multiple trades at prices ranging from $790.17 to $790.90. 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 | 240 | $791.50 | 37,594.25 | D | — | — | (F24) These Ordinary Shares were sold in multiple trades at prices ranging from $791.3 to $791.91. 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. |
| 24 | Common | Ordinary Shares | 2026-08-07 | S | D | 280 | $793.15 | 37,314.25 | D | — | — | (F25) These Ordinary Shares were sold in multiple trades at prices ranging from $792.40 to $793.35. 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 | 547 | $793.77 | 36,767.25 | D | — | — | (F26) These Ordinary Shares were sold in multiple trades at prices ranging from $793.44 to $794.31. 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. |
| 26 | Common | Ordinary Shares | 2026-08-07 | S | D | 480 | $795.02 | 36,287.25 | D | — | — | (F27) These Ordinary Shares were sold in multiple trades at prices ranging from $794.50 to $795.39. 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. |
| 27 | Common | Ordinary Shares | 2026-08-07 | S | D | 93 | $796.40 | 36,194.25 | D | — | — | (F28) These Ordinary Shares were sold in multiple trades at prices ranging from $795.90 to $796.79. 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 | 240 | $797.34 | 35,954.25 | D | — | — | (F29) These Ordinary Shares were sold in multiple trades at prices ranging from $796.94 to $797.61. 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. |
| 29 | Common | Ordinary Shares | 2026-08-07 | S | D | 320 | $798.33 | 35,634.25 | D | — | — | (F30) These Ordinary Shares were sold in multiple trades at prices ranging from $797.98 to $798.97. 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. |