Form 4 for STX Seagate Technology
Accepted 2026-08-24 17:10:59 ET · period of report 2026-08-20 · accession 0001137789-26-000183 · 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 | 2026-08-24 17:10 | 2026-08-20 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +16.9K | 30.0K | +129% | $0 |
| DM | 2026-08-24 17:10 | 2026-08-21 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $849.35 | -9,076 | 28.5K | -24% | -$7.71M |
| DM | 2026-08-24 17:10 | 2026-08-20 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | -16.9K | 0 | -100% | $0 |
| DM | 2026-08-24 17:10 | 2026-08-20 | STX | Romano Gianluca | EVP, CFO | A - Grant | $0.00 | +18.0K | 11.4K | 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 | 2026-08-20 | M | A | 5,039 | $0.00 | 25,702.25 | D | — | — | |
| 2 | Common | Ordinary Shares | 2026-08-21 | S | D | 2,705 | $849.35 | 22,997.25 | D | — | — | |
| 3 | Common | Ordinary Shares | 2026-08-20 | M | A | 9,129 | $0.00 | 32,126.25 | D | — | — | |
| 4 | Common | Ordinary Shares | 2026-08-21 | S | D | 4,900.75 | $849.35 | 27,225.50 | D | — | — | |
| 5 | Common | Ordinary Shares | 2026-08-20 | M | A | 2,739 | $0.00 | 29,964.50 | D | — | — | |
| 6 | Common | Ordinary Shares | 2026-08-21 | S | D | 1,470.50 | $849.35 | 28,494 | D | — | — | |
| 7 | Derivative | Restricted Share Unit | 2026-08-20 | M | D | 5,039 | $0.00 | 15,119 | D | $0.00 · — to — | 5,039 Ordinary Shares | (F1) Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter. (F1) Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter. |
| 8 | Derivative | Restricted Share Unit | 2026-08-20 | M | D | 9,129 | $0.00 | 0 | D | $0.00 · — to — | 9,129 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, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. |
| 9 | Derivative | Restricted Share Unit | 2026-08-20 | M | D | 2,739 | $0.00 | 0 | D | $0.00 · — to — | 2,739 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, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. |
| 10 | Derivative | Restricted Share Unit | 2026-08-20 | A | A | 4,259 | $0.00 | 4,259 | D | $0.00 · — to — | 4,259 Ordinary Shares | (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2027 and then in equal quarterly installments thereafter. (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2027 and then in equal quarterly installments thereafter. |
| 11 | Derivative | Restricted Share Unit | 2026-08-20 | A | A | 1,810 | $0.00 | 1,810 | D | $0.00 · — to — | 1,810 Ordinary Shares | (F4) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2027. (F4) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2027. |
| 12 | Derivative | Restricted Share Unit | 2026-08-20 | A | A | 543 | $0.00 | 543 | D | $0.00 · — to — | 543 Ordinary Shares | (F4) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2027. (F4) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2027. |
| 13 | Derivative | NQ Stock Options | 2026-08-20 | A | A | 11,360 | $0.00 | 11,360 | D | $850.24 · — to — | 11,360 Ordinary Shares | (F5) Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years. (F5) Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years. |