Form 4 for STX Seagate Technology
Accepted 2025-09-15 00:00:00 ET · period of report 2025-09-11 · accession 0001137789-25-000239 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-09-15 | 2025-09-11+ | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +68.5K | 538.6K | +15% | $0 |
| DM | 2025-09-15 | 2025-09-11+ | STX | MOSLEY WILLIAM D | CEO, Dir | F - Tax | $196.03 | -34.6K | 473.4K | -7% | -$6.78M |
| DM | 2025-09-15 | 2025-09-11+ | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | -68.5K | 0 | -100% | $0 |
| D | 2025-09-15 | 2025-09-14 | STX | MOSLEY WILLIAM D | CEO, Dir | A - Grant | $0.00 | +65.2K | 65.2K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary Shares | 2025-09-11 | M | A | 3,319 | $0.00 | 475,107 | D | — | — | |
| 2 | Common | Ordinary Shares | 2025-09-14 | F | D | 32,931 | $195.99 | 505,668 | D | — | — | |
| 3 | Common | Ordinary Shares | 2025-09-11 | F | D | 1,678 | $196.81 | 473,429 | D | — | — | |
| 4 | Common | Ordinary Shares | 2025-09-14 | M | A | 65,170 | $0.00 | 538,599 | D | — | — | |
| 5 | Derivative | Restricted Share Unit | 2025-09-11 | M | D | 3,319 | $0.00 | 26,552 | D | $0.00 · — to — | 3,319 Ordinary Shares | (F1) Consists of a grant of restricted share units awarded to the reporting person under the Seagate Technology 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. |
| 6 | Derivative | Performance-Based Restricted Share Units | 2025-09-14 | A | A | 65,170 | $0.00 | 65,170 | D | $0.00 · — to — | 65,170 Ordinary Shares | (F2) On September 14, 2025, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 65,170 of the 75,045 Performance Share Units granted on September 9, 2022. The 65,170 Ordinary Shares vested on September 14, 2025. |
| 7 | Derivative | Performance-Based Restricted Share Units | 2025-09-14 | M | D | 65,170 | $0.00 | 0 | D | $0.00 · — to — | 65,170 Ordinary Shares | (F2) On September 14, 2025, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 65,170 of the 75,045 Performance Share Units granted on September 9, 2022. The 65,170 Ordinary Shares vested on September 14, 2025. |