| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chong Kian Fatt | EVP Global Operations | SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT | /s/ Louis J. Thorson, Attorney-in-Fact for Kian Fatt Chong | 12 Dec 2025 | 0001987421 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STX | Ordinary Shares | Options Exercise | $0 | +678 | +117% | $0.000000 | 1,258 | 11 Dec 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STX | Restricted Share Unit | Options Exercise | $0 | -678 | -12% | $0.000000 | 4,748 | 11 Dec 2025 | Ordinary Shares | 678 | $0.000000 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Consists 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. |