InsiderTrades

Form 4 for STX Seagate Technology

Accepted 2026-09-16 16:10:38 ET · period of report 2026-09-14 · accession 0001137789-26-000254 · 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 2026-09-16 16:10 2026-09-14 STX Romano Gianluca EVP, CFO M - OptEx $0.00 +90.4K 120.7K +298% $0
D 2026-09-16 16:10 2026-09-15 STX Romano Gianluca EVP, CFO S - Sale+OE $772.16 -50.0K 70.8K -41% -$38.60M
D 2026-09-16 16:10 2026-09-14 STX Romano Gianluca EVP, CFO M - OptEx $0.00 -90.4K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-09-14 M A 90,380 $0.00 120,740 D — — (F1) Represents Ordinary Shares issued upon the vesting and settlement of Performance Share Units granted on September 11, 2023, following certification by the Compensation and People Committee of the achievement of the applicable performance conditions.
2 Common Ordinary Shares 2026-09-15 S D 49,983.50 $772.16 70,756.50 D — — (F2) Represents sales made pursuant to Issuer mandated sell-to-cover solely to satisfy tax withholding obligations.
3 Derivative Performance-Based Restricted Share Units 2026-09-14 M D 90,380 $0.00 0 D $0.00 · — to — 90,380 Ordinary Shares (F3) Performance Share Units granted on September 11, 2023 vested and were settled in Ordinary Shares upon certification of the applicable performance conditions by the Compensation and People Committee. (F3) Performance Share Units granted on September 11, 2023 vested and were settled in Ordinary Shares upon certification of the applicable performance conditions by the Compensation and People Committee.