Form 4 for STX Seagate Technology
Accepted 2025-11-14 00:00:00 ET · period of report 2025-11-12 · accession 0001137789-25-000341 · 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 | 2025-11-14 | 2025-11-12 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $285.16 | -54.0K | 102.5K | -35% | -$15.40M |
| DM | 2025-11-14 | 2025-11-12 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $80.84 | +52.5K | 110.3K | +91% | +$4.25M |
| DM | 2025-11-14 | 2025-11-12 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | -52.5K | 45.8K | -53% | $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 | 2025-11-12 | S | D | 3,092 | $288.68 | 64,335 | D | — | — | (F11) These Ordinary Shares were sold in multiple trades at prices ranging from $288.20 to $289.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 2 | Common | Ordinary Shares | 2025-11-12 | S | D | 2,703 | $289.82 | 61,632 | D | — | — | (F12) These Ordinary Shares were sold in multiple trades at prices ranging from $289.20 to $290.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 3 | Common | Ordinary Shares | 2025-11-12 | S | D | 4,893 | $287.75 | 67,427 | D | — | — | (F10) These Ordinary Shares were sold in multiple trades at prices ranging from $287.15 to $288.10. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 4 | Common | Ordinary Shares | 2025-11-12 | S | D | 3,702 | $286.56 | 72,320 | D | — | — | (F9) These Ordinary Shares were sold in multiple trades at prices ranging from $286.10 to $287.08. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 5 | Common | Ordinary Shares | 2025-11-12 | S | D | 4,294 | $285.54 | 76,022 | D | — | — | (F8) These Ordinary Shares were sold in multiple trades at prices ranging from $285.07 to $286.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 6 | Common | Ordinary Shares | 2025-11-12 | S | D | 5,216 | $284.55 | 80,316 | D | — | — | (F7) These Ordinary Shares were sold in multiple trades at prices ranging from $284.07 to $285.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 7 | Common | Ordinary Shares | 2025-11-12 | S | D | 6,836 | $283.46 | 85,532 | D | — | — | (F6) These Ordinary Shares were sold in multiple trades at prices ranging from $283.07 to $284.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 8 | Common | Ordinary Shares | 2025-11-12 | S | D | 4,400 | $282.55 | 92,368 | D | — | — | (F5) These Ordinary Shares were sold in multiple trades at prices ranging from $282.07 to $283.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 9 | Common | Ordinary Shares | 2025-11-12 | S | D | 5,712 | $281.49 | 96,768 | D | — | — | (F4) These Ordinary Shares were sold in multiple trades at prices ranging from $281.06 to $282.04. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 10 | Common | Ordinary Shares | 2025-11-12 | S | D | 1,300 | $290.68 | 60,332 | D | — | — | (F13) These Ordinary Shares were sold in multiple trades at prices ranging from $290.33 to $291.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 11 | Common | Ordinary Shares | 2025-11-12 | S | D | 1,300 | $291.70 | 59,032 | D | — | — | (F14) These Ordinary Shares were sold in multiple trades at prices ranging from $291.40 to $292.24. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 12 | Common | Ordinary Shares | 2025-11-12 | S | D | 100 | $292.64 | 58,932 | D | — | — | |
| 13 | Common | Ordinary Shares | 2025-11-12 | S | D | 700 | $294.00 | 58,232 | D | — | — | (F15) These Ordinary Shares were sold in multiple trades at prices ranging from $293.64 to $294.59. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 14 | Common | Ordinary Shares | 2025-11-12 | S | D | 1,500 | $294.90 | 56,732 | D | — | — | (F16) These Ordinary Shares were sold in multiple trades at prices ranging from $294.66 to $295.64. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 15 | Common | Ordinary Shares | 2025-11-12 | S | D | 439 | $296.09 | 56,293 | D | — | — | (F17) These Ordinary Shares were sold in multiple trades at prices ranging from $295.81 to $296.34. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 16 | Common | Ordinary Shares | 2025-11-12 | M | A | 5,364 | $87.34 | 63,149 | D | — | — | (F1) All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 1, 2025. |
| 17 | Common | Ordinary Shares | 2025-11-12 | M | A | 10,220 | $68.83 | 73,369 | D | — | — | |
| 18 | Common | Ordinary Shares | 2025-11-12 | M | A | 18,080 | $64.31 | 91,449 | D | — | — | |
| 19 | Common | Ordinary Shares | 2025-11-12 | M | A | 18,865 | $101.34 | 110,314 | D | — | — | |
| 20 | Common | Ordinary Shares | 2025-11-12 | S | D | 2,549 | $279.69 | 107,765 | D | — | — | (F2) These Ordinary Shares were sold in multiple trades at prices ranging from $279.06 to $280.04. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 21 | Common | Ordinary Shares | 2025-11-12 | S | D | 5,285 | $280.67 | 102,480 | D | — | — | (F3) These Ordinary Shares were sold in multiple trades at prices ranging from $280.06 to $281.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. |
| 22 | Derivative | NQ Options | 2025-11-12 | M | D | 18,080 | $0.00 | 33,147 | D | $64.31 · — to 2030-09-11 | 18,080 Ordinary Shares | (F20) 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. |
| 23 | Derivative | NQ Options | 2025-11-12 | M | D | 10,220 | $0.00 | 8,517 | D | $68.83 · — to 2029-09-09 | 10,220 Ordinary Shares | (F19) 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. |
| 24 | Derivative | NQ Options | 2025-11-12 | M | D | 5,364 | $0.00 | 0 | D | $87.34 · — to 2028-09-09 | 5,364 Ordinary Shares | (F18) Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan (the "2022 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 vested in equal monthly installments over the 36 months following September 9, 2022. |
| 25 | Derivative | NQ Options | 2025-11-12 | M | D | 18,865 | $0.00 | 45,815 | D | $101.34 · — to 2031-09-09 | 18,865 Ordinary Shares | (F21) 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, 2025 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2025. |