SEC Form 4 · accession 0001137789-26-000138
Seagate Technology Holdings plc · STX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William D Mosley
Officer — CEO · Director
Period of report
Jun 11, 2026
Accepted (ET)
Jun 15, 2026 · 5:44 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001137789
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Ordinary Shares | Jun 11, 2026 | M | 3,319 | $0.00 | A | 329,285 | D | |
| Ordinary Shares | Jun 12, 2026 | S | 1,768 | $880.1888 | D | 327,517 | 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 UnitF1 | $0.00 | Jun 11, 2026 | M | 3,319 | D | — | — | Ordinary Shares | 3,319 | 16,595 | D |
Explanation of responses
- F1Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.