SEC Form 4 · accession 0001137789-26-000256
Seagate Technology Holdings plc · STX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John Christopher Morris
Officer — EVP & CTO
Period of report
Sep 21, 2026
Accepted (ET)
Sep 22, 2026 · 4:49 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 | Sep 21, 2026 | M | 915 | $158.40 | A | 32,047 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $863.66 | D | 32,007 | D | |
| Ordinary SharesF2 | Sep 21, 2026 | S | 80 | $865.11 | D | 31,927 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $865.80 | D | 31,887 | D | |
| Ordinary SharesF3 | Sep 21, 2026 | S | 160 | $868.1075 | D | 31,727 | D | |
| Ordinary SharesF4 | Sep 21, 2026 | S | 80 | $869.208 | D | 31,647 | D | |
| Ordinary SharesF5 | Sep 21, 2026 | S | 200 | $870.282 | D | 31,447 | D | |
| Ordinary SharesF6 | Sep 21, 2026 | S | 520 | $871.5615 | D | 30,927 | D | |
| Ordinary SharesF7 | Sep 21, 2026 | S | 1,000 | $872.4244 | D | 29,927 | D | |
| Ordinary SharesF8 | Sep 21, 2026 | S | 1,040 | $873.4914 | D | 28,887 | D | |
| Ordinary SharesF9 | Sep 21, 2026 | S | 986 | $874.5038 | D | 27,901 | D | |
| Ordinary SharesF10 | Sep 21, 2026 | S | 974 | $875.349 | D | 26,927 | D | |
| Ordinary SharesF11 | Sep 21, 2026 | S | 760 | $876.5447 | D | 26,167 | D | |
| Ordinary SharesF12 | Sep 21, 2026 | S | 418 | $877.364 | D | 25,749 | D | |
| Ordinary SharesF13 | Sep 21, 2026 | S | 280 | $878.3757 | D | 25,469 | D | |
| Ordinary SharesF14 | Sep 21, 2026 | S | 200 | $879.712 | D | 25,269 | D | |
| Ordinary SharesF15 | Sep 21, 2026 | S | 741 | $881.1584 | D | 24,528 | D | |
| Ordinary SharesF16 | Sep 21, 2026 | S | 200 | $881.902 | D | 24,328 | D | |
| Ordinary SharesF17 | Sep 21, 2026 | S | 320 | $883.0775 | D | 24,008 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $886.27 | D | 23,968 | D | |
| Ordinary SharesF18 | Sep 21, 2026 | S | 120 | $887.9167 | D | 23,848 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $890.54 | D | 23,808 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $893.15 | D | 23,768 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 915 | $894.27 | D | 22,853 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 80 | $897.28 | D | 22,773 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $899.53 | D | 22,733 | D | |
| Ordinary Shares | Sep 21, 2026 | S | 40 | $902.07 | D | 22,693 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NQ Stock OptionF19 | $158.40 | Sep 21, 2026 | M | 915 | D | — | Aug 20, 2032 | Ordinary Shares | 915 | 17,378 | D |
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 January 29, 2026.
- F10These Ordinary Shares were sold in multiple trades at prices ranging from $874.98 to $875.96. 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 $875.99 to $876.93. 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.
- F12These Ordinary Shares were sold in multiple trades at prices ranging from $876.99 to $877.76. 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.
- F13These Ordinary Shares were sold in multiple trades at prices ranging from $878.01 to $878.82. 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.
- F14These Ordinary Shares were sold in multiple trades at prices ranging from $879.58 to $879.90. 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.
- F15These Ordinary Shares were sold in multiple trades at prices ranging from $880.62 to $881.54. 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.
- F16These Ordinary Shares were sold in multiple trades at prices ranging from $881.65 to $882.17. 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 $882.78 to $883.77. 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 $887.75 to $888.25. 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.
- F19Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan (the "2022 Plan") are subject to a four-year vesting schedule. Subject to continuous employment, one-quarter 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.
- F2These Ordinary Shares were sold in multiple trades at prices ranging from $864.79 to $865.43. 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.
- F3These Ordinary Shares were sold in multiple trades at prices ranging from $867.77 to $868.44. 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.
- F4These Ordinary Shares were sold in multiple trades at prices ranging from $868.79 to $869.47. 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 $869.82 to $870.80. 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 $870.89 to $871.77. 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 $871.91 to $872.90. 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.
- F8These Ordinary Shares were sold in multiple trades at prices ranging from $872.94 to $873.93. 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.
- F9These Ordinary Shares were sold in multiple trades at prices ranging from $873.96 to $874.94. 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.