InsiderTrades

Form 4 for STX Seagate Technology

Accepted 2026-09-11 16:47:10 ET · period of report 2026-09-09 · accession 0001137789-26-000225 · 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 2026-09-11 16:47 2026-09-09 STX Teh Ban Seng EVP, Chief Commercial Off M - OptEx $0.00 +1,263 6,473 +24% $0
DT 2026-09-11 16:47 2026-09-10 STX Teh Ban Seng EVP, Chief Commercial Off S - Sale+OE $860.09 -663 5,810 -10% -$570.2K
DMT 2026-09-11 16:47 2026-09-09 STX Teh Ban Seng EVP, Chief Commercial Off M - OptEx $0.00 -1,263 5,306 -19% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-09-09 M A 600 $0.00 5,810 D — —
2 Common Ordinary Shares 2026-09-09 M A 663 $0.00 6,473 D — —
3 Common Ordinary Shares 2026-09-10 S D 663 $860.09 5,810 D — — (F1) These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on February 11, 2026.
4 Derivative Restricted Share Unit 2026-09-09 M D 600 $0.00 0 D $0.00 · — to — 600 Ordinary Shares (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). One-quarter of the shares vested on September 9, 2023 and the remaining portion vested in equal quarterly installments over the following three years for a total vesting period of four years. (F2) Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). One-quarter of the shares vested on September 9, 2023 and the remaining portion vested in equal quarterly installments over the following three years for a total vesting period of four years.
5 Derivative Restricted Share Unit 2026-09-09 M D 663 $0.00 5,306 D $0.00 · — to — 663 Ordinary Shares (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. One-quarter of the shares vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years. (F3) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. One-quarter of the shares vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.