Form 4 for STX Seagate Technology
Accepted 2025-09-15 00:00:00 ET · period of report 2025-09-11 · accession 0001137789-25-000235 · 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 | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $7.27 | +16.6K | 7,904 | New | +$120.6K |
| D | 2025-09-15 | 2025-09-11 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $193.30 | -3,732 | 4,172 | -47% | -$721.4K |
| D | 2025-09-15 | 2025-09-14 | STX | Teh Ban Seng | EVP, Chief Commercial Off | A - Grant | $0.00 | +13.9K | 13.9K | New | $0 |
| DM | 2025-09-15 | 2025-09-11+ | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | -16.6K | 21.1K | -44% | $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 | 989 | $0.00 | 6,179 | D | — | — | |
| 2 | Common | Ordinary Shares | 2025-09-14 | M | A | 13,869 | $0.00 | 18,041 | D | — | — | |
| 3 | Common | Ordinary Shares | 2025-09-11 | M | A | 533 | $68.83 | 6,712 | D | — | — | (F1) All option exercises and the sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 31, 2024. |
| 4 | Common | Ordinary Shares | 2025-09-11 | M | A | 313 | $87.34 | 7,025 | D | — | — | |
| 5 | Common | Ordinary Shares | 2025-09-11 | M | A | 879 | $64.31 | 7,904 | D | — | — | |
| 6 | Common | Ordinary Shares | 2025-09-11 | S | D | 3,732 | $193.30 | 4,172 | D | — | — | |
| 7 | Derivative | Performance-Based Restricted Share Units | 2025-09-14 | A | A | 13,869 | $0.00 | 13,869 | D | $0.00 · — to — | 13,869 Ordinary Shares | (F6) 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 13,869 of the 15,970 Performance Share Units granted on September 9, 2022. The 13,869 Ordinary Shares vested on September 14, 2025. |
| 8 | Derivative | Performance-Based Restricted Share Units | 2025-09-14 | M | D | 13,869 | $0.00 | 0 | D | $0.00 · — to — | 13,869 Ordinary Shares | (F6) 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 13,869 of the 15,970 Performance Share Units granted on September 9, 2022. The 13,869 Ordinary Shares vested on September 14, 2025. |
| 9 | Derivative | Restricted Share Unit | 2025-09-11 | M | D | 989 | $0.00 | 7,912 | D | $0.00 · — to — | 989 Ordinary Shares | (F2) 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. |
| 10 | Derivative | NQ Options | 2025-09-11 | M | D | 533 | $0.00 | 6,390 | D | $68.83 · — to 2029-09-09 | 533 Ordinary Shares | (F3) Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options vested on September 9, 2023 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2023. |
| 11 | Derivative | NQ Options | 2025-09-11 | M | D | 313 | $0.00 | 0 | D | $87.34 · — to 2028-09-09 | 313 Ordinary Shares | (F4) Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one quarter of the options vested on September 9, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022. |
| 12 | Derivative | NQ Options | 2025-09-11 | M | D | 879 | $0.00 | 21,090 | D | $64.31 · — to 2030-09-11 | 879 Ordinary Shares | (F5) Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options vested on September 11, 2024 and the remaining options vest in equal monthly installments over the 36 months following September 11, 2024. |