InsiderTrades

Form 4 for STX Seagate Technology

Accepted 2026-03-12 00:00:00 ET · period of report 2026-03-11 · accession 0001137789-26-000066 · 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
D 2026-03-12 2026-03-11 STX MOSLEY WILLIAM D CEO, Dir M - OptEx $0.00 +3,319 401.8K +0.8% $0
D 2026-03-12 2026-03-11 STX MOSLEY WILLIAM D CEO, Dir F - Tax $385.97 -1,658 400.2K -0.4% -$639.9K
D 2026-03-12 2026-03-11 STX MOSLEY WILLIAM D CEO, Dir M - OptEx $0.00 -3,319 19.9K -14% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-03-11 M A 3,319 $0.00 401,833 D — —
2 Common Ordinary Shares 2026-03-11 F D 1,658 $385.97 400,175 D — —
3 Derivative Restricted Share Unit 2026-03-11 M D 3,319 $0.00 19,914 D $0.00 · — to — 3,319 Ordinary Shares (F1) Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.