Seagate Technology Holdings plc (STX)

S&P 500XNASCOMPUTER STORAGE DEVICESNet insider selling (90d)Watch STX

$829.41-$17.79 (-2.10%) Today

Latest STX Insider Trades

James Ci Lee - Officer
Open-market sale$31K
Aug 24, 2026

About Seagate Technology Holdings plc (STX)

Seagate Technology is a leading supplier of hard disk drives for data storage to the enterprise and consumer markets. It forms a practical duopoly in the market with its chief rival, Western Digital; they are both vertically integrated.

Headquarters: SINGAPORE, U0
Employees: 30,000
Listed: 2002
Exchange: XNAS
Sector: Information Technology

https://www.seagate.com SEC filings for STX on EDGAR

90-Day SEC Filing Activity

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	143	113,318	$97.83M
Grant or award	24	93,988
Option exercise	80	243,600

STX Insider Transactions (Form 4)

297

178 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.

Date	Insider	Transaction	Security	Shares	Price	Value
Aug 24, 2026	James Ci Lee - Officer	Option exercise	Ordinary Shares	4,032

Recent STX Form 8-K Filings

Jul 28, 2026Item 2.02, 7.01, 9.01

Read the filing on SEC EDGAR

Jun 12, 2026Item 7.01, 8.01, 9.01

Read the filing on SEC EDGAR

May 28, 2026Item 3.02, 7.01, 8.01, 9.01

Read the filing on SEC EDGAR

May 21, 2026Item 3.02, 7.01, 8.01, 9.01

Read the filing on SEC EDGAR

Recent STX Form 144 Notices of Proposed Sale

A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.

Filed	Filer	Relationship	Shares	Market value	Notice
Aug 24, 2026	JAMES LEE	Officer	9,013	$7.66M	View on EDGAR
Aug 21, 2026	Morris John Christopher	Officer

STX Insider Trading - FAQ

What is the latest insider trade for STX?

Seagate Technology Holdings plc (STX) had 28 insider filings in the last 90 days, with the most recent on 2026-08-26. The full record for STX runs to 178 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.

How many insiders are buying STX stock?

No insider purchases of STX were filed in the last 90 days.

How many insiders are selling STX stock?

143 insider sales of STX were filed in the last 90 days, totaling $97.83M.

Where can I see STX SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page tracks STX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

How can I follow STX insider buys?

Create a free InsiderAlpha account and press Watch on this page to add STX to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.

More Information Technology Companies with Insider Activity

Recent Insider Filings

Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.

Aug 26, 2026 - James Ci Lee view on EDGAR
Aug 24, 2026 - Ban Seng Teh view on EDGAR
Aug 24, 2026 - John Christopher Morris view on EDGAR
Aug 24, 2026 - James Ci Lee view on EDGAR
Aug 24, 2026 - Kian Fatt Chong view on EDGAR
Aug 24, 2026 - Gianluca Romano view on EDGAR
Aug 24, 2026 - William D. Mosley view on EDGAR
Aug 14, 2026 - Ban Seng Teh view on EDGAR
Aug 11, 2026 - Gianluca Romano view on EDGAR

Related Companies - Recent Insider Activity

Learn More

What is SEC Form 4?: The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
Insider activity in Information Technology: Where STX's peers are being bought and sold.
Every recent Form 4: The full market-wide feed, updated as filings arrive from SEC EDGAR.

Track STX insider activity as it files

Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.