Form 4 for STX Seagate Technology
Accepted 2026-09-15 16:15:38 ET · period of report 2026-09-11 · accession 0001137789-26-000239 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-15 16:15 | 2026-09-11 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +3,319 | 300.9K | +1% | $0 |
| D | 2026-09-15 16:15 | 2026-09-14 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $781.23 | -1,870 | 299.0K | -0.6% | -$1.46M |
| D | 2026-09-15 16:15 | 2026-09-11 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | -3,319 | 13.3K | -20% | $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 | 2026-09-11 | M | A | 3,319 | $0.00 | 300,867.25 | D | — | — | |
| 2 | Common | Ordinary Shares | 2026-09-14 | S | D | 1,869.75 | $781.23 | 298,997.50 | D | — | — | (F1) Represents sales made pursuant to Issuer mandated sell-to-cover solely to satisfy tax withholding obligations. |
| 3 | Derivative | Restricted Share Unit | 2026-09-11 | M | D | 3,319 | $0.00 | 13,276 | D | $0.00 · — to — | 3,319 Ordinary Shares | (F2) Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. One-quarter of the shares vested on September 11, 2024 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 restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. One-quarter of the shares vested on September 11, 2024 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years. |