Form 4 for STX Seagate Technology
Accepted 2025-09-11 00:00:00 ET · period of report 2025-09-09 · accession 0001137789-25-000221 · 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 | 2025-09-11 | 2025-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | F - Tax | $191.59 | -13.2K | 469.5K | -3% | -$2.52M |
| DM | 2025-09-11 | 2025-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +26.0K | 474.1K | +6% | $0 |
| DM | 2025-09-11 | 2025-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | -26.0K | 0 | -100% | $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 | 2025-09-09 | F | D | 2,300 | $191.59 | 471,788 | D | — | — | |
| 2 | Common | Ordinary Shares | 2025-09-09 | M | A | 9,007 | $0.00 | 467,919 | D | — | — | |
| 3 | Common | Ordinary Shares | 2025-09-09 | F | D | 4,552 | $191.59 | 463,367 | D | — | — | |
| 4 | Common | Ordinary Shares | 2025-09-09 | M | A | 2,815 | $0.00 | 466,182 | D | — | — | |
| 5 | Common | Ordinary Shares | 2025-09-09 | F | D | 1,423 | $191.59 | 464,759 | D | — | — | |
| 6 | Common | Ordinary Shares | 2025-09-09 | M | A | 9,662 | $0.00 | 474,421 | D | — | — | |
| 7 | Common | Ordinary Shares | 2025-09-09 | F | D | 4,883 | $191.59 | 469,538 | D | — | — | |
| 8 | Common | Ordinary Shares | 2025-09-09 | M | A | 4,550 | $0.00 | 474,088 | D | — | — | |
| 9 | Derivative | Restricted Share Unit | 2025-09-09 | M | D | 2,815 | $0.00 | 11,260 | D | $0.00 · — to — | 2,815 Ordinary Shares | (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, one-quarter of the shares vested on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years. |
| 10 | Derivative | Restricted Share Unit | 2025-09-09 | M | D | 4,550 | $0.00 | 0 | D | $0.00 · — to — | 4,550 Ordinary Shares | (F4) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Such RSUs vested 100% on September 9, 2025, the first anniversary of the grant. |
| 11 | Derivative | Restricted Share Unit | 2025-09-09 | M | D | 9,662 | $0.00 | 28,988 | D | $0.00 · — to — | 9,662 Ordinary Shares | (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, one-quarter of the shares vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years. |
| 12 | Derivative | Restricted Share Unit | 2025-09-09 | M | D | 9,007 | $0.00 | 0 | D | $0.00 · — to — | 9,007 Ordinary Shares | (F1) Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology plc Equity Incentive Plan (the "Plan"). Subject to the Reporting Person's continuous employment, one-quarter of the shares vested on September 9, 2022 and each one year anniversary thereafter for a total vesting period of four years. |