Form 4 for STX Seagate Technology
Accepted 2026-07-02 16:40:50 ET · period of report 2026-07-01 · accession 0001137789-26-000148 · 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 | 2026-07-02 16:40 | 2026-07-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale | $924.42 | -9,343 | 311.5K | -3% | -$8.64M |
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 | 2026-07-01 | S | D | 1,480 | $919.64 | 319,380 | D | — | — | (F1) All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. (F2) These Ordinary Shares were sold in multiple trades at prices ranging from $919.19 to $920.18. 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. |
| 2 | Common | Ordinary Shares | 2026-07-01 | S | D | 880 | $920.57 | 318,500 | D | — | — | (F3) These Ordinary Shares were sold in multiple trades at prices ranging from $920.19 to $921.18. 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. |
| 3 | Common | Ordinary Shares | 2026-07-01 | S | D | 880 | $921.80 | 317,620 | D | — | — | (F4) These Ordinary Shares were sold in multiple trades at prices ranging from $921.20 to $922.19. 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 | 2026-07-01 | S | D | 720 | $922.68 | 316,900 | D | — | — | (F5) These Ordinary Shares were sold in multiple trades at prices ranging from $922.30 to $923.27. 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. |
| 5 | Common | Ordinary Shares | 2026-07-01 | S | D | 1,160 | $923.83 | 315,740 | D | — | — | (F6) These Ordinary Shares were sold in multiple trades at prices ranging from $923.45 to $924.44. 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 | 2026-07-01 | S | D | 770 | $925.03 | 314,970 | D | — | — | (F7) These Ordinary Shares were sold in multiple trades at prices ranging from $924.54 to $925.51. 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 | 2026-07-01 | S | D | 1,019 | $926.17 | 313,951 | D | — | — | (F8) These Ordinary Shares were sold in multiple trades at prices ranging from $925.54 to $926.51. 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 | 2026-07-01 | S | D | 571 | $927.00 | 313,380 | D | — | — | (F9) These Ordinary Shares were sold in multiple trades at prices ranging from $926.54 to $927.43. 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 | 2026-07-01 | S | D | 620 | $928.10 | 312,760 | D | — | — | (F10) These Ordinary Shares were sold in multiple trades at prices ranging from $927.61 to $928.33. 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. |
| 10 | Common | Ordinary Shares | 2026-07-01 | S | D | 320 | $929.11 | 312,440 | D | — | — | (F11) These Ordinary Shares were sold in multiple trades at prices ranging from $928.63 to $929.22. 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 | 2026-07-01 | S | D | 280 | $930.10 | 312,160 | D | — | — | (F12) These Ordinary Shares were sold in multiple trades at prices ranging from $929.67 to $930.23. 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. |
| 12 | Common | Ordinary Shares | 2026-07-01 | S | D | 120 | $931.62 | 312,040 | D | — | — | (F13) These Ordinary Shares were sold in multiple trades at prices ranging from $931.21 to $931.83. 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 | 2026-07-01 | S | D | 320 | $932.94 | 311,720 | D | — | — | (F14) These Ordinary Shares were sold in multiple trades at prices ranging from $932.65 to $933.54. 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 | 2026-07-01 | S | D | 200 | $934.45 | 311,520 | D | — | — | (F15) These Ordinary Shares were sold in multiple trades at prices ranging from $934.30 to $934.61. 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. |
| 15 | Common | Ordinary Shares | 2026-07-01 | S | D | 3 | $936.36 | 311,517 | D | — | — |