SEC Form 4 · accession 0001137789-26-000186
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
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 | 1,764 | $0.00 | A | 13,684 | D | |
| Ordinary Shares | Aug 21, 2026 | S | 879 | $849.3548 | D | 12,805 | D | |
| Ordinary Shares | Aug 20, 2026 | M | 4,070 | $0.00 | A | 16,875 | D | |
| Ordinary Shares | Aug 21, 2026 | S | 2,028 | $849.3548 | D | 14,847 | D | |
| Ordinary Shares | Aug 20, 2026 | M | 1,221 | $0.00 | A | 16,068 | D | |
| Ordinary Shares | Aug 21, 2026 | S | 609 | $849.3548 | D | 15,460 | D | |
| Ordinary SharesF1 | Aug 20, 2026 | M | 523 | $158.40 | A | 15,983 | D | |
| Ordinary Shares | Aug 20, 2026 | S | 523 | $835.54 | D | 15,460 | 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 UnitF2 | $0.00 | Aug 20, 2026 | M | 1,764 | D | — | — | Ordinary Shares | 1,764 | 5,292 | D |
| Restricted Share UnitF3 | $0.00 | Aug 20, 2026 | M | 4,070 | D | — | — | Ordinary Shares | 4,070 | 0 | D |
| Restricted Share UnitF3 | $0.00 | Aug 20, 2026 | M | 1,221 | D | — | — | Ordinary Shares | 1,221 | 0 | D |
| NQ Stock OptionF4 | $158.40 | Aug 20, 2026 | M | 523 | D | — | Aug 20, 2032 | Ordinary Shares | 523 | 18,293 | D |
| Restricted Share UnitF5 | $0.00 | Aug 20, 2026 | A | 2,307 | A | — | — | Ordinary Shares | 2,307 | 2,307 | D |
| Restricted Share UnitF6 | $0.00 | Aug 20, 2026 | A | 1,309 | A | — | — | Ordinary Shares | 1,309 | 1,309 | D |
| Restricted Share UnitF6 | $0.00 | Aug 20, 2026 | A | 393 | A | — | — | Ordinary Shares | 393 | 393 | D |
| NQ Stock OptionF7 | $850.24 | Aug 20, 2026 | A | 6,152 | A | — | Aug 20, 2033 | Ordinary Shares | 6,152 | 6,152 | D |
Explanation of responses
- F1The option exercise and sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 206.
- F2Consists 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.
- F3Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.
- F4Consists 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 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.
- F5Consists 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 RSUs vest as to one-quarter of the shares on August 20, 2027 and then in equal quarterly installments thereafter.
- F6Consists 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.
- F7Consists 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.