SEC Form 4 · accession 0001137789-26-000187
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 20, 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 Shares | Aug 20, 2026 | M | 2,267 | $0.00 | A | 5,198 | D | |
| Ordinary Shares | Aug 20, 2026 | M | 7,595 | $0.00 | A | 12,793 | D | |
| Ordinary Shares | Aug 20, 2026 | M | 2,279 | $0.00 | A | 15,072 | D | |
| Ordinary SharesF1 | Aug 20, 2026 | M | 6,048 | $158.40 | A | 21,120 | D | |
| Ordinary SharesF2 | Aug 20, 2026 | S | 240 | $829.7733 | D | 20,880 | D | |
| Ordinary Shares | Aug 20, 2026 | S | 80 | $830.18 | D | 20,800 | D | |
| Ordinary SharesF3 | Aug 20, 2026 | S | 240 | $831.8525 | D | 20,560 | D | |
| Ordinary SharesF4 | Aug 20, 2026 | S | 280 | $833.7075 | D | 20,280 | D | |
| Ordinary SharesF5 | Aug 20, 2026 | S | 240 | $834.5875 | D | 20,040 | D | |
| Ordinary SharesF6 | Aug 20, 2026 | S | 682 | $835.6362 | D | 19,358 | D | |
| Ordinary SharesF7 | Aug 20, 2026 | S | 440 | $837.2214 | D | 18,918 | D | |
| Ordinary SharesF8 | Aug 20, 2026 | S | 120 | $838.4067 | D | 18,798 | D | |
| Ordinary SharesF9 | Aug 20, 2026 | S | 80 | $839.9375 | D | 18,718 | D | |
| Ordinary SharesF10 | Aug 20, 2026 | S | 160 | $841.5088 | D | 18,558 | D | |
| Ordinary SharesF11 | Aug 20, 2026 | S | 120 | $843.24 | D | 18,438 | D | |
| Ordinary Shares | Aug 20, 2026 | S | 40 | $843.86 | D | 18,398 | D | |
| Ordinary SharesF12 | Aug 20, 2026 | S | 926 | $845.0293 | D | 17,472 | D | |
| Ordinary SharesF13 | Aug 20, 2026 | S | 320 | $846.3094 | D | 17,152 | D | |
| Ordinary SharesF14 | Aug 20, 2026 | S | 160 | $847.415 | D | 16,992 | D | |
| Ordinary SharesF15 | Aug 20, 2026 | S | 400 | $849.27 | D | 16,592 | D | |
| Ordinary SharesF16 | Aug 20, 2026 | S | 280 | $850.4093 | D | 16,312 | D | |
| Ordinary SharesF17 | Aug 20, 2026 | S | 630 | $852.0486 | D | 15,682 | D | |
| Ordinary SharesF18 | Aug 20, 2026 | S | 610 | $852.6649 | D | 15,072 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Share UnitF19 | $0.00 | Aug 20, 2026 | M | 2,267 | D | — | — | Ordinary Shares | 2,267 | 6,804 | D |
| Restricted Share UnitF20 | $0.00 | Aug 20, 2026 | M | 7,595 | D | — | — | Ordinary Shares | 7,595 | 0 | D |
| Restricted Share UnitF20 | $0.00 | Aug 20, 2026 | M | 2,279 | D | — | — | Ordinary Shares | 2,279 | 0 | D |
| NQ Stock OptionF21 | $158.40 | Aug 20, 2026 | M | 6,048 | D | — | Aug 20, 2032 | Ordinary Shares | 6,048 | 18,144 | D |
| Restricted Share UnitF22 | $0.00 | Aug 20, 2026 | A | 1,775 | A | — | — | Ordinary Shares | 1,775 | 1,775 | D |
| Restricted Share UnitF23 | $0.00 | Aug 20, 2026 | A | 417 | A | — | — | Ordinary Shares | 417 | 417 | D |
| Restricted Share UnitF23 | $0.00 | Aug 20, 2026 | A | 1,389 | A | — | — | Ordinary Shares | 1,389 | 1,389 | D |
| NQ Stock OptionF24 | $850.24 | Aug 20, 2026 | A | 4,736 | A | — | Aug 20, 2033 | Ordinary Shares | 4,736 | 4,736 | D |
Explanation of responses
- F1The option exercise and sale of all Ordinary Shares 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 $841.10 to $841.91. 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.
- F11These Ordinary Shares were sold in multiple trades at prices ranging from $842.85 to $843.76. 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.
- F12These Ordinary Shares were sold in multiple trades at prices ranging from $845.00 to $845.58. 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.
- F13These Ordinary Shares were sold in multiple trades at prices ranging from $846.00 to $846.66. 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.
- F14These Ordinary Shares were sold in multiple trades at prices ranging from $847.23 to $847.69. 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 $848.81 to $849.67. 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.
- F16These Ordinary Shares were sold in multiple trades at prices ranging from $850.11 to $850.73. 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.
- F17These Ordinary Shares were sold in multiple trades at prices ranging from $851.24 to $852.11. 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 $852.55 to $853.01. 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.
- F19Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.
- F2These Ordinary Shares were sold in multiple trades at prices ranging from $829.17 to $830.15. 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.
- F20Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.
- F21Consist of Options awarded to the Reporting Person under Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the shares vested on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.
- F22Consists of a grant of RSUs awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vested as to one-quarter of the shares on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.
- F23Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2027.
- F24Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.
- F3These Ordinary Shares were sold in multiple trades at prices ranging from $831.74 to $831.97. 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.
- F4These Ordinary Shares were sold in multiple trades at prices ranging from $833.11 to $833.98. 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 $834.38 to $835.23. 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.
- F6These Ordinary Shares were sold in multiple trades at prices ranging from $835.50 to $836.08. 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 $836.74 to $837.67. 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.
- F8These Ordinary Shares were sold in multiple trades at prices ranging from $838.00 to $838.78. 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 $839.60 to $840.28 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.