Form 4 for STX Seagate Technology
Accepted 2026-08-24 17:11:34 ET · period of report 2026-08-21 · accession 0001137789-26-000188 · 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 | 2026-08-24 17:11 | 2026-08-21 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale | $852.97 | -9,862 | 5,210 | -65% | -$8.41M |
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 | 2026-08-21 | S | D | 80 | $835.54 | 14,992 | 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 11, 2026. (F2) These Ordinary Shares were sold in multiple trades at prices ranging from $835.48 to $835.61. 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. |
| 2 | Common | Ordinary Shares | 2026-08-21 | S | D | 89 | $837.27 | 14,903 | D | — | — | (F3) These Ordinary Shares were sold in multiple trades at prices ranging from $836.89 to $837.54. 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. |
| 3 | Common | Ordinary Shares | 2026-08-21 | S | D | 88 | $838.35 | 14,815 | D | — | — | (F4) These Ordinary Shares were sold in multiple trades at prices ranging from $837.95 to $838.75. 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 | 2026-08-21 | S | D | 280 | $839.60 | 14,535 | D | — | — | (F5) These Ordinary Shares were sold in multiple trades at prices ranging from $839.18 to $839.94. 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 | 2026-08-21 | S | D | 200 | $840.53 | 14,335 | D | — | — | (F6) These Ordinary Shares were sold in multiple trades at prices ranging from $840.25 to $840.95. 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. |
| 6 | Common | Ordinary Shares | 2026-08-21 | S | D | 440 | $841.60 | 13,895 | D | — | — | (F7) These Ordinary Shares were sold in multiple trades at prices ranging from $841.26 to $842.10. 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. |
| 7 | Common | Ordinary Shares | 2026-08-21 | S | D | 240 | $842.69 | 13,655 | D | — | — | (F8) These Ordinary Shares were sold in multiple trades at prices ranging from $842.36 to $843.05. 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 | 2026-08-21 | S | D | 120 | $843.64 | 13,535 | D | — | — | (F9) These Ordinary Shares were sold in multiple trades at prices ranging from $843.46 to $843.82. 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 | 2026-08-21 | S | D | 228 | $845.15 | 13,307 | D | — | — | (F10) These Ordinary Shares were sold in multiple trades at prices ranging from $844.68 to $845.54 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. |
| 10 | Common | Ordinary Shares | 2026-08-21 | S | D | 360 | $846.39 | 12,947 | D | — | — | (F11) These Ordinary Shares were sold in multiple trades at prices ranging from $845.85 to $846.73. 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 | 2026-08-21 | S | D | 920 | $847.36 | 12,027 | D | — | — | (F12) These Ordinary Shares were sold in multiple trades at prices ranging from $846.85 to $847.81. 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 | 2026-08-21 | S | D | 520 | $848.47 | 11,507 | D | — | — | (F13) These Ordinary Shares were sold in multiple trades at prices ranging from $847.96 to $848.93. 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. |
| 13 | Common | Ordinary Shares | 2026-08-21 | S | D | 267 | $849.27 | 11,240 | D | — | — | (F14) These Ordinary Shares were sold in multiple trades at prices ranging from $848.99 to $849.53. 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 | 2026-08-21 | S | D | 440 | $850.63 | 10,800 | D | — | — | (F15) These Ordinary Shares were sold in multiple trades at prices ranging from $850.05 to $850.83. 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. |
| 15 | Common | Ordinary Shares | 2026-08-21 | S | D | 560 | $851.71 | 10,240 | D | — | — | (F16) These Ordinary Shares were sold in multiple trades at prices ranging from $851.39 to $852.29. 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 | 2026-08-21 | S | D | 510 | $852.90 | 9,730 | D | — | — | (F17) These Ordinary Shares were sold in multiple trades at prices ranging from $852.62 to $853.49. 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 | 2026-08-21 | S | D | 160 | $854.21 | 9,570 | D | — | — | (F18) These Ordinary Shares were sold in multiple trades at prices ranging from $853.80 to $854.60. 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 | 2026-08-21 | S | D | 240 | $855.18 | 9,330 | D | — | — | (F19) These Ordinary Shares were sold in multiple trades at prices ranging from $855.02 to $855.34. 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 | 2026-08-21 | S | D | 720 | $857.16 | 8,610 | D | — | — | (F20) These Ordinary Shares were sold in multiple trades at prices ranging from $856.59 to $857.55. 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 | 2026-08-21 | S | D | 280 | $858.23 | 8,330 | D | — | — | (F21) These Ordinary Shares were sold in multiple trades at prices ranging from $857.90 to $858.57. 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. |
| 21 | Common | Ordinary Shares | 2026-08-21 | S | D | 80 | $859.29 | 8,250 | D | — | — | (F22) These Ordinary Shares were sold in multiple trades at prices ranging from $859.17 to $859.42. 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 | 2026-08-21 | S | D | 500 | $860.50 | 7,750 | D | — | — | |
| 23 | Common | Ordinary Shares | 2026-08-21 | S | D | 221 | $861.26 | 7,529 | D | — | — | (F23) These Ordinary Shares were sold in multiple trades at prices ranging from $860.69 to $861.52. 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. |
| 24 | Common | Ordinary Shares | 2026-08-21 | S | D | 1,759 | $861.81 | 5,770 | D | — | — | (F24) These Ordinary Shares were sold in multiple trades at prices ranging from $861.73 to $862.60. 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 | 2026-08-21 | S | D | 360 | $863.21 | 5,410 | D | — | — | (F25) These Ordinary Shares were sold in multiple trades at prices ranging from $862.96 to $863.67. 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 | 2026-08-21 | S | D | 120 | $865.77 | 5,290 | D | — | — | (F26) These Ordinary Shares were sold in multiple trades at prices ranging from $865.42 to $866.27. 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. |
| 27 | Common | Ordinary Shares | 2026-08-21 | S | D | 80 | $868.00 | 5,210 | D | — | — |