Company profile

Seagate Technology Holdings plc Insider Trading

STX

Every SEC Form 4 insider trading filing for Seagate Technology Holdings plc (STX) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Computer Storage Devices
CIK
0001137789
Filings
293
Insiders
20
Last filing
2026-08-13

Activity summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $19.2M across 42 transactions, with 6 offsetting purchases.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Seagate Technology Holdings plc insiders were net sellers in every quarter shown.

Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $107.5M.

90 day insight

Over the last 90 days, Seagate Technology Holdings plc insiders bought $459K (6 transactions) and sold $19.7M (42 transactions).

  • Most active insider: Romano Gianluca with 42 transactions totaling $13.3M.
  • Largest single sale: $5.5M by Teh Ban Seng on Aug 13, 2026.
  • 5% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bearish — sales outpace buys.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Aug 13, 2026Teh Ban SengSTX
Option Exercise
1,597
Aug 13, 2026Teh Ban SengSTX
Option Exercise
1,597$68.83$110K
Aug 13, 2026Teh Ban SengSTX
Option Exercise
2,636$64.31$170K
Aug 13, 2026Teh Ban SengSTX
Option Exercise
1,769
Aug 13, 2026Teh Ban SengSTX
Option Exercise
1,769$101.34$179K

45 more transactions hidden

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Top insiders

By total value filed.

Romano GianlucaEVP & CFO42 filings$13.3M
Teh Ban SengEVP & Chief Commercial Officer5 filings$6.3M