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Seagate Technology Holdings plc (STX) Stock Price, Key Stats & Insider Trading
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Seagate Technology Holdings plc (STX) S&P 500 XNAS COMPUTER STORAGE DEVICES Net insider selling (90d) Watch STX
Latest STX Insider Trades
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 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) 93 178 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 3 of 3.
Date Insider Transaction Security Shares Price Value Jan 22, 2026 JL James Ci Lee - Officer Option exercise Ordinary Shares 1,237
Recent STX Form 8-K Filings 5
Recent STX Form 144 Notices of Proposed Sale 3 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 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.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track STX insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
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Market cap $188.06B
P/E ratio 59.70
Dividend yield 0.36%
Average volume 4.72M
52 week high $1,145.00
52 week low $163.86
Today's high $855.58
Today's low $825.50
Open $831.09
Volume 2.81M
Previous close $847.20
Shares outstanding 226.64M Market cap
$188.06B
30,000 employees
STX Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 143 sales totaling $97.83M.
Most-Active STX Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Jan 22, 2026 JL James Ci Lee - Officer Tax withholding / forfeiture Ordinary Shares 564 $346.53 $195K
Jan 22, 2026 JL James Ci Lee - Officer Option exercise Restricted Share Unit 1,237 $0.00 -
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $274.89 $27K
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 407 $268.58 $109K
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 5,894 $272.24 $1.60M
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 800 $273.04 $218K
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,093 $267.27 $292K
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 650 $269.43 $175K
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 5,338 $270.29 $1.44M
Dec 1, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 5,718 $271.19 $1.55M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 5,712 $281.49 $1.61M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 4,400 $282.55 $1.24M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 6,836 $283.46 $1.94M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 5,216 $284.55 $1.48M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 4,294 $285.54 $1.23M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 3,702 $286.56 $1.06M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 4,893 $287.75 $1.41M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 3,092 $288.68 $893K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 2,703 $289.82 $783K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 1,300 $290.68 $378K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 1,300 $291.70 $379K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 700 $294.00 $206K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 1,500 $294.90 $442K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 439 $296.09 $130K
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise NQ Options 5,364 $0.00 -
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise NQ Options 10,220 $0.00 -
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise NQ Options 18,080 $0.00 -
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise NQ Options 18,865 $0.00 -
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise Ordinary Shares 10,220 $68.83 $703K
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise Ordinary Shares 18,080 $64.31 $1.16M
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise Ordinary Shares 18,865 $101.34 $1.91M
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 100 $292.64 $29K
Nov 12, 2025 GR Gianluca Romano - Officer Option exercise Ordinary Shares 5,364 $87.34 $468K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 2,549 $279.69 $713K
Nov 12, 2025 GR Gianluca Romano - Officer Open-market sale Ordinary Shares 5,285 $280.67 $1.48M
Nov 11, 2025 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 879 $64.31 $57K
Nov 11, 2025 BT Ban Seng Teh - Officer Open-market sale Ordinary Shares 1,412 $288.98 $408K
Nov 11, 2025 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 533 $68.83 $37K
Nov 11, 2025 BT Ban Seng Teh - Officer Option exercise NQ Options 533 $0.00 -
Nov 11, 2025 BT Ban Seng Teh - Officer Option exercise NQ Options 879 $0.00 -
Nov 11, 2025 JL James Ci Lee - Officer Open-market sale Ordinary Shares 697 $288.98 $201K
Nov 5, 2025 BT Ban Seng Teh - Officer Open-market sale Ordinary Shares 6,000 $270.00 $1.62M
Nov 3, 2025 ST Stephanie Tilenius - Director Open-market sale Ordinary Shares 2,046 $266.41 $545K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 5,506 $266.25 $1.47M
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,901 $267.04 $508K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $268.65 $81K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,500 $254.44 $382K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,400 $255.98 $358K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,000 $256.99 $257K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,200 $258.08 $310K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,000 $258.96 $259K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 599 $260.32 $156K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 400 $261.58 $105K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 600 $262.21 $157K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 400 $263.58 $105K
Nov 3, 2025 WM William D. Mosley - Officer Open-market sale Ordinary Shares 4,194 $265.44 $1.11M
Oct 31, 2025 JG Jay L. Geldmacher - Director Open-market sale Ordinary Shares 1,250 $269.10 $336K
Oct 30, 2025 KC Kian Fatt Chong - Officer Open-market sale Ordinary Shares 7,078 $272.14 $1.93M
Oct 25, 2025 MA Mark Adams - Director Grant or award Restricted Share Unit 1,580 $0.00 -
Oct 25, 2025 TS Thomas A. Szlosek - Director Grant or award Restricted Share Unit 1,580 $0.00 -
Oct 25, 2025 DH Dylan G. Haggart - Director Grant or award Restricted Share Unit 1,580 $0.00 -
Oct 25, 2025 MC Michael R. Cannon - Director Grant or award Restricted Share Unit 1,868 $0.00 -
Oct 25, 2025 PB Prat Bhatt - Director Grant or award Restricted Share Unit 1,580 $0.00 -
Oct 25, 2025 JG Jay L. Geldmacher - Director Grant or award Restricted Share Unit 1,580 $0.00 -
Oct 22, 2025 JL James Ci Lee - Officer Option exercise Ordinary Shares 1,237 $0.00 -
Oct 22, 2025 JL James Ci Lee - Officer Tax withholding / forfeiture Ordinary Shares 540 $215.05 $116K
Oct 22, 2025 JL James Ci Lee - Officer Option exercise Restricted Share Unit 1,237 $0.00 -
Oct 19, 2025 RC Richard L. Clemmer - Director Tax withholding / forfeiture Ordinary Shares 647 $225.40 $146K
Oct 19, 2025 RC Richard L. Clemmer - Director Option exercise Restricted Share Unit 2,693 $0.00 -
Oct 19, 2025 JB Judy Bruner - Director Option exercise Ordinary Shares 2,693 $0.00 -
Oct 19, 2025 JB Judy Bruner - Director Tax withholding / forfeiture Ordinary Shares 647 $225.40 $146K
Oct 19, 2025 JB Judy Bruner - Director Option exercise Restricted Share Unit 2,693 $0.00 -
Oct 19, 2025 MA Mark Adams - Director Option exercise Ordinary Shares 2,693 $0.00 -
Oct 19, 2025 MA Mark Adams - Director Tax withholding / forfeiture Ordinary Shares 647 $225.40 $146K
Oct 19, 2025 MA Mark Adams - Director Option exercise Restricted Share Unit 2,693 $0.00 -
Oct 19, 2025 JG Jay L. Geldmacher - Director Tax withholding / forfeiture Ordinary Shares 647 $225.40 $146K
Oct 19, 2025 JG Jay L. Geldmacher - Director Option exercise Restricted Share Unit 2,693 $0.00 -
Oct 19, 2025 YC Yolanda Lee Conyers - Director Tax withholding / forfeiture Ordinary Shares 647 $225.40 $146K
Oct 19, 2025 ST Stephanie Tilenius - Director Tax withholding / forfeiture Ordinary Shares 647 $225.40 $146K
Oct 19, 2025 ST Stephanie Tilenius - Director Option exercise Restricted Share Unit 2,693 $0.00 -
Aug 21, 2026 MOSLEY WILLIAM D Officer, Director 18,200 $15.46M View on EDGAR
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