Form 4 for STX Seagate Technology
Accepted 2026-08-24 17:11:21 ET · period of report 2026-08-20 · accession 0001137789-26-000186 · 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 | 2026-08-24 17:11 | 2026-08-20 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $10.93 | +7,578 | 16.0K | +90% | +$82.8K |
| DMT | 2026-08-24 17:11 | 2026-08-20+ | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $847.57 | -4,038 | 15.5K | -21% | -$3.42M |
| DMT | 2026-08-24 17:11 | 2026-08-20 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $0.00 | -7,578 | 18.3K | -29% | $0 |
| DMT | 2026-08-24 17:11 | 2026-08-20 | STX | Morris John Christopher | EVP, CTO | A - Grant | $0.00 | +10.2K | 6,152 | 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 | 1,764 | $0.00 | 13,684.25 | D | — | — | |
| 2 | Common | Ordinary Shares | 2026-08-21 | S | D | 879 | $849.35 | 12,805.25 | D | — | — | |
| 3 | Common | Ordinary Shares | 2026-08-20 | M | A | 4,070 | $0.00 | 16,875.25 | D | — | — | |
| 4 | Common | Ordinary Shares | 2026-08-21 | S | D | 2,028 | $849.35 | 14,847.25 | D | — | — | |
| 5 | Common | Ordinary Shares | 2026-08-20 | M | A | 1,221 | $0.00 | 16,068.25 | D | — | — | |
| 6 | Common | Ordinary Shares | 2026-08-21 | S | D | 608.50 | $849.35 | 15,459.75 | D | — | — | |
| 7 | Common | Ordinary Shares | 2026-08-20 | M | A | 523 | $158.40 | 15,982.75 | D | — | — | (F1) The option exercise and 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 January 29, 206. |
| 8 | Common | Ordinary Shares | 2026-08-20 | S | D | 523 | $835.54 | 15,459.75 | D | — | — | |
| 9 | Derivative | Restricted Share Unit | 2026-08-20 | M | D | 1,764 | $0.00 | 5,292 | D | $0.00 · — to — | 1,764 Ordinary Shares | (F2) 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. (F2) 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. |
| 10 | Derivative | Restricted Share Unit | 2026-08-20 | M | D | 4,070 | $0.00 | 0 | D | $0.00 · — to — | 4,070 Ordinary Shares | (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. |
| 11 | Derivative | Restricted Share Unit | 2026-08-20 | M | D | 1,221 | $0.00 | 0 | D | $0.00 · — to — | 1,221 Ordinary Shares | (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026. |
| 12 | Derivative | NQ Stock Option | 2026-08-20 | M | D | 523 | $0.00 | 18,293 | D | $158.40 · — to 2032-08-20 | 523 Ordinary Shares | (F4) 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 vested as to one-quarter of the shares on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years. |
| 13 | Derivative | Restricted Share Unit | 2026-08-20 | A | A | 2,307 | $0.00 | 2,307 | D | $0.00 · — to — | 2,307 Ordinary Shares | (F5) 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. (F5) 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. |
| 14 | Derivative | Restricted Share Unit | 2026-08-20 | A | A | 1,309 | $0.00 | 1,309 | D | $0.00 · — to — | 1,309 Ordinary Shares | (F6) 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. (F6) 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. |
| 15 | Derivative | Restricted Share Unit | 2026-08-20 | A | A | 393 | $0.00 | 393 | D | $0.00 · — to — | 393 Ordinary Shares | (F6) 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. (F6) 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. |
| 16 | Derivative | NQ Stock Option | 2026-08-20 | A | A | 6,152 | $0.00 | 6,152 | D | $850.24 · — to 2033-08-20 | 6,152 Ordinary Shares | (F7) 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. |