SEC Form 4 · accession 0001137789-26-000188
Seagate Technology Holdings plc · STX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ban Seng Teh
Officer — EVP & Chief Commercial Officer
Period of report
Aug 21, 2026
Accepted (ET)
Aug 24, 2026 · 5:11 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001137789
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Ordinary SharesF1,F2 | Aug 21, 2026 | S | 80 | $835.545 | D | 14,992 | D | |
| Ordinary SharesF3 | Aug 21, 2026 | S | 89 | $837.2677 | D | 14,903 | D | |
| Ordinary SharesF4 | Aug 21, 2026 | S | 88 | $838.3473 | D | 14,815 | D | |
| Ordinary SharesF5 | Aug 21, 2026 | S | 280 | $839.5954 | D | 14,535 | D | |
| Ordinary SharesF6 | Aug 21, 2026 | S | 200 | $840.527 | D | 14,335 | D | |
| Ordinary SharesF7 | Aug 21, 2026 | S | 440 | $841.6041 | D | 13,895 | D | |
| Ordinary SharesF8 | Aug 21, 2026 | S | 240 | $842.6875 | D | 13,655 | D | |
| Ordinary SharesF9 | Aug 21, 2026 | S | 120 | $843.6433 | D | 13,535 | D | |
| Ordinary SharesF10 | Aug 21, 2026 | S | 228 | $845.1461 | D | 13,307 | D | |
| Ordinary SharesF11 | Aug 21, 2026 | S | 360 | $846.3944 | D | 12,947 | D | |
| Ordinary SharesF12 | Aug 21, 2026 | S | 920 | $847.3613 | D | 12,027 | D | |
| Ordinary SharesF13 | Aug 21, 2026 | S | 520 | $848.4662 | D | 11,507 | D | |
| Ordinary SharesF14 | Aug 21, 2026 | S | 267 | $849.2728 | D | 11,240 | D | |
| Ordinary SharesF15 | Aug 21, 2026 | S | 440 | $850.63 | D | 10,800 | D | |
| Ordinary SharesF16 | Aug 21, 2026 | S | 560 | $851.7121 | D | 10,240 | D | |
| Ordinary SharesF17 | Aug 21, 2026 | S | 510 | $852.9009 | D | 9,730 | D | |
| Ordinary SharesF18 | Aug 21, 2026 | S | 160 | $854.21 | D | 9,570 | D | |
| Ordinary SharesF19 | Aug 21, 2026 | S | 240 | $855.1758 | D | 9,330 | D | |
| Ordinary SharesF20 | Aug 21, 2026 | S | 720 | $857.156 | D | 8,610 | D | |
| Ordinary SharesF21 | Aug 21, 2026 | S | 280 | $858.2257 | D | 8,330 | D | |
| Ordinary SharesF22 | Aug 21, 2026 | S | 80 | $859.295 | D | 8,250 | D | |
| Ordinary Shares | Aug 21, 2026 | S | 500 | $860.50 | D | 7,750 | D | |
| Ordinary SharesF23 | Aug 21, 2026 | S | 221 | $861.2562 | D | 7,529 | D | |
| Ordinary SharesF24 | Aug 21, 2026 | S | 1,759 | $861.8099 | D | 5,770 | D | |
| Ordinary SharesF25 | Aug 21, 2026 | S | 360 | $863.2139 | D | 5,410 | D | |
| Ordinary SharesF26 | Aug 21, 2026 | S | 120 | $865.7667 | D | 5,290 | D | |
| Ordinary Shares | Aug 21, 2026 | S | 80 | $868.00 | D | 5,210 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1All 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.
- F10These 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.
- F11These 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.
- F12These 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.
- F13These 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.
- F14These 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.
- F15These 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.
- F16These 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.
- F17These 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.
- F18These 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.
- F19These 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.
- F2These 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.
- F20These 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.
- F21These 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.
- F22These 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.
- F23These 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.
- F24These 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.
- F25These 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.
- F26These 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.
- F3These 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.
- F4These 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.
- F5These 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.
- F6These 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.
- F7These 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.
- F8These 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.
- F9These 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.