Form 4 for STX Seagate Technology
Accepted 2026-09-15 16:15:52 ET · period of report 2026-09-11 · accession 0001137789-26-000241 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-09-15 16:15 | 2026-09-11+ | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $841.95 | -5,555 | 30.4K | -15% | -$4.68M |
| DT | 2026-09-15 16:15 | 2026-09-11 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +1,695 | 31.3K | +6% | $0 |
| DT | 2026-09-15 16:15 | 2026-09-11 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | -1,695 | 6,780 | -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 | S | D | 200 | $844.81 | 34,020 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F2) These Ordinary Shares were sold in multiple trades at prices ranging from $844.72 to $845.15. 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 | 2026-09-11 | S | D | 200 | $846.94 | 33,820 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F3) These Ordinary Shares were sold in multiple trades at prices ranging from $846.84 to $847.62. 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 | 2026-09-11 | S | D | 320 | $847.98 | 33,500 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F4) These Ordinary Shares were sold in multiple trades at prices ranging from $847.87 to $848.01. 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. |
| 4 | Common | Ordinary Shares | 2026-09-11 | S | D | 560 | $849.53 | 32,940 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F5) These Ordinary Shares were sold in multiple trades at prices ranging from $848.87 to $849.84. 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 | 2026-09-11 | S | D | 80 | $849.87 | 32,860 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 |
| 6 | Common | Ordinary Shares | 2026-09-11 | S | D | 320 | $851.45 | 32,540 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F6) These Ordinary Shares were sold in multiple trades at prices ranging from $851.22 to $851.52. 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 | 2026-09-11 | S | D | 640 | $852.87 | 31,900 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F7) These Ordinary Shares were sold in multiple trades at prices ranging from $852.41 to $853.19. 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 | 2026-09-11 | S | D | 680 | $854.41 | 31,220 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F8) These Ordinary Shares were sold in multiple trades at prices ranging from $853.77 to $854.64. 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. |
| 9 | Common | Ordinary Shares | 2026-09-11 | S | D | 240 | $855.72 | 30,980 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F9) These Ordinary Shares were sold in multiple trades at prices ranging from $855.21 to $856.07. 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 | 2026-09-11 | S | D | 240 | $857.41 | 30,740 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F10) These Ordinary Shares were sold in multiple trades at prices ranging from $857.23 to $857.76. 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 | 2026-09-11 | S | D | 280 | $860.47 | 30,460 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F11) These Ordinary Shares were sold in multiple trades at prices ranging from $860.06 to $861.02. 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 | 2026-09-11 | S | D | 280 | $861.07 | 30,180 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 |
| 13 | Common | Ordinary Shares | 2026-09-11 | S | D | 320 | $864.41 | 29,860 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F12) These Ordinary Shares were sold in multiple trades at prices ranging from $864.2 to $865.05. 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. |
| 14 | Common | Ordinary Shares | 2026-09-11 | S | D | 240 | $868.43 | 29,620 | D | — | — | (F1) This sale of Ordinary Shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026 (F13) These Ordinary Shares were sold in multiple trades at prices ranging from $867.77 to $868.76. 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 | 2026-09-11 | M | A | 1,695 | $0.00 | 31,315 | D | — | — | |
| 16 | Common | Ordinary Shares | 2026-09-14 | S | D | 955 | $781.24 | 30,360 | D | — | — | (F14) Represents sales made pursuant to Issuer mandated sell-to-cover solely to satisfy tax withholding obligations. |
| 17 | Derivative | Restricted Share Unit | 2026-09-11 | M | D | 1,695 | $0.00 | 6,780 | D | $0.00 · — to — | 1,695 Ordinary Shares | (F15) 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. (F15) 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. |