Form 4 for STX Seagate Technology
Accepted 2026-09-11 16:46:47 ET · period of report 2026-09-09 · accession 0001137789-26-000222 · 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 | 2026-09-11 16:46 | 2026-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +5,230 | 298.9K | +2% | $0 |
| DM | 2026-09-11 16:46 | 2026-09-10 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $862.13 | -2,849 | 297.5K | -0.9% | -$2.46M |
| DM | 2026-09-11 16:46 | 2026-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | -5,230 | 19.3K | -21% | $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 | 2026-09-09 | M | A | 2,815 | $0.00 | 297,982.50 | D | — | — | |
| 2 | Common | Ordinary Shares | 2026-09-10 | S | D | 1,533.50 | $862.13 | 296,449 | D | — | — | |
| 3 | Common | Ordinary Shares | 2026-09-09 | M | A | 2,415 | $0.00 | 298,864 | D | — | — | |
| 4 | Common | Ordinary Shares | 2026-09-10 | S | D | 1,315.75 | $862.14 | 297,548.25 | D | — | — | |
| 5 | Derivative | Restricted Share Unit | 2026-09-09 | M | D | 2,815 | $0.00 | 0 | D | $0.00 · — to — | 2,815 Ordinary Shares | (F1) Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). One-quarter of the shares vested on September 9, 2023 and the remaining portion vested in equal quarterly installments over the following three years for a total vesting period of four years. (F1) Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). One-quarter of the shares vested on September 9, 2023 and the remaining portion vested in equal quarterly installments over the following three years for a total vesting period of four years. |
| 6 | Derivative | Restricted Share Unit | 2026-09-09 | M | D | 2,415 | $0.00 | 19,328 | D | $0.00 · — to — | 2,415 Ordinary Shares | (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 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. (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 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. |