Skip to content
Seagate Technology Holdings plc (STX) Stock Price, Key Stats & Insider Trading
Home / Companies / STX STX
Seagate Technology Holdings plc (STX) S&P 500 XNAS COMPUTER STORAGE DEVICES Net insider selling (90d)
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) 147 178 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value May 7, 2026 GR Gianluca Romano - Officer Open-market sale Ordinary Shares
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.
Sign up free
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.
May 5, 2026 ST Stephanie Tilenius - Director Open-market sale Ordinary Shares 1,540 $766.60 $1.18M
May 4, 2026 JL James Ci Lee - Officer Open-market sale Ordinary Shares 697 $741.17 $517K
Apr 22, 2026 JL James Ci Lee - Officer Tax withholding / forfeiture Ordinary Shares 540 $579.88 $313K
Apr 22, 2026 JL James Ci Lee - Officer Option exercise Restricted Share Unit 1,237 $0.00 -
Apr 22, 2026 JL James Ci Lee - Officer Option exercise Ordinary Shares 1,237 $0.00 -
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $404.06 $40K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $407.48 $41K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $410.83 $41K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 200 $409.18 $82K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $399.05 $40K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 200 $400.34 $80K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $412.28 $124K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $413.97 $124K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 800 $415.23 $332K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,100 $416.56 $458K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 808 $417.45 $337K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,092 $418.79 $457K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,500 $419.94 $630K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 2,900 $420.77 $1.22M
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 2,887 $421.84 $1.22M
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 2,444 $422.93 $1.03M
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,469 $423.98 $623K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,500 $424.92 $637K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,000 $425.94 $426K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 800 $426.93 $342K
Apr 1, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $427.97 $128K
Mar 19, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 24,584 $406.77 $10.00M
Mar 11, 2026 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 989 $0.00 -
Mar 11, 2026 BT Ban Seng Teh - Officer Option exercise Restricted Share Unit 989 $0.00 -
Mar 11, 2026 GR Gianluca Romano - Officer Option exercise Restricted Share Unit 1,695 $0.00 -
Mar 11, 2026 GR Gianluca Romano - Officer Option exercise Ordinary Shares 1,695 $0.00 -
Mar 11, 2026 GR Gianluca Romano - Officer Tax withholding / forfeiture Ordinary Shares 847 $385.97 $327K
Mar 11, 2026 KC Kian Fatt Chong - Officer Option exercise Ordinary Shares 678 $0.00 -
Mar 11, 2026 KC Kian Fatt Chong - Officer Option exercise Restricted Share Unit 678 $0.00 -
Mar 11, 2026 WM William D. Mosley - Officer Tax withholding / forfeiture Ordinary Shares 1,658 $385.97 $640K
Mar 11, 2026 WM William D. Mosley - Officer Option exercise Restricted Share Unit 3,319 $0.00 -
Mar 9, 2026 GR Gianluca Romano - Officer Tax withholding / forfeiture Ordinary Shares 757 $374.33 $283K
Mar 9, 2026 GR Gianluca Romano - Officer Option exercise Ordinary Shares 958 $0.00 -
Mar 9, 2026 GR Gianluca Romano - Officer Tax withholding / forfeiture Ordinary Shares 479 $374.33 $179K
Mar 9, 2026 GR Gianluca Romano - Officer Option exercise Ordinary Shares 1,515 $0.00 -
Mar 9, 2026 GR Gianluca Romano - Officer Option exercise Restricted Share Unit 958 $0.00 -
Mar 9, 2026 GR Gianluca Romano - Officer Option exercise Restricted Share Unit 1,515 $0.00 -
Mar 9, 2026 WM William D. Mosley - Officer Tax withholding / forfeiture Ordinary Shares 1,406 $374.33 $526K
Mar 9, 2026 WM William D. Mosley - Officer Tax withholding / forfeiture Ordinary Shares 1,207 $374.33 $452K
Mar 9, 2026 WM William D. Mosley - Officer Option exercise Restricted Share Unit 2,815 $0.00 -
Mar 9, 2026 WM William D. Mosley - Officer Option exercise Restricted Share Unit 2,415 $0.00 -
Mar 9, 2026 KC Kian Fatt Chong - Officer Option exercise Ordinary Shares 202 $0.00 -
Mar 9, 2026 KC Kian Fatt Chong - Officer Option exercise Ordinary Shares 379 $0.00 -
Mar 9, 2026 KC Kian Fatt Chong - Officer Option exercise Restricted Share Unit 202 $0.00 -
Mar 9, 2026 KC Kian Fatt Chong - Officer Option exercise Restricted Share Unit 379 $0.00 -
Mar 9, 2026 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 599 $0.00 -
Mar 9, 2026 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 663 $0.00 -
Mar 9, 2026 BT Ban Seng Teh - Officer Option exercise Restricted Share Unit 599 $0.00 -
Mar 9, 2026 BT Ban Seng Teh - Officer Option exercise Restricted Share Unit 663 $0.00 -
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,740 $379.23 $660K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,260 $380.42 $479K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 800 $381.51 $305K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 3,500 $382.41 $1.34M
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 2,700 $383.49 $1.04M
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 2,700 $384.51 $1.04M
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,200 $385.39 $462K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $387.54 $116K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $390.02 $117K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 500 $392.09 $196K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 500 $393.33 $197K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 600 $394.75 $237K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 800 $396.42 $317K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 200 $397.61 $80K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $402.09 $121K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $405.02 $122K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $400.27 $40K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $403.05 $40K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $407.66 $41K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 874 $375.84 $328K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 326 $376.69 $123K
Mar 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 800 $377.95 $302K
Feb 20, 2026 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 5,905 $0.00 -
Feb 20, 2026 BT Ban Seng Teh - Officer Option exercise Performance-Based Restricted Share Units 5,905 $0.00 -
Feb 20, 2026 GR Gianluca Romano - Officer Tax withholding / forfeiture Ordinary Shares 5,975 $411.11 $2.46M
Feb 22, 2026 GR Gianluca Romano - Officer Option exercise Ordinary Shares 14,043 $0.00 -
Feb 22, 2026 GR Gianluca Romano - Officer Tax withholding / forfeiture Ordinary Shares 7,096 $411.11 $2.92M
Feb 20, 2026 GR Gianluca Romano - Officer Option exercise Ordinary Shares 11,807 $0.00 -
Feb 20, 2026 GR Gianluca Romano - Officer Option exercise Performance-Based Restricted Share Units 11,807 $0.00 -
Feb 22, 2026 GR Gianluca Romano - Officer Option exercise Restricted Share Unit 14,043 $0.00 -
Feb 20, 2026 KC Kian Fatt Chong - Officer Option exercise Ordinary Shares 4,427 $0.00 -
Feb 23, 2026 KC Kian Fatt Chong - Officer Open-market sale Ordinary Shares 5,846 $416.48 $2.43M
Feb 20, 2026 KC Kian Fatt Chong - Officer Option exercise Performance-Based Restricted Share Units 4,427 $0.00 -
Feb 20, 2026 WM William D. Mosley - Officer Tax withholding / forfeiture Ordinary Shares 5,966 $411.11 $2.45M
Feb 20, 2026 WM William D. Mosley - Officer Option exercise Performance-Based Restricted Share Units 11,807 $0.00 -
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $403.47 $40K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $411.90 $41K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 100 $401.10 $40K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,900 $427.06 $811K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 200 $419.77 $84K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 200 $421.17 $84K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 400 $423.01 $169K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 875 $424.50 $371K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 978 $425.69 $416K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 2,283 $428.00 $977K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,564 $429.09 $671K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,800 $430.14 $774K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 3,725 $431.27 $1.61M
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 3,875 $432.19 $1.67M
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 1,600 $433.22 $693K
Feb 2, 2026 WM William D. Mosley - Officer Open-market sale Ordinary Shares 300 $434.31 $130K
Jan 30, 2026 JG Jay L. Geldmacher - Director Open-market sale Ordinary Shares 925 $448.03 $414K
Jan 29, 2026 BT Ban Seng Teh - Officer Open-market sale Ordinary Shares 9,433 $444.59 $4.19M
Jan 29, 2026 BT Ban Seng Teh - Officer Option exercise Ordinary Shares 9,433 $101.34 $956K
Jan 29, 2026 BT Ban Seng Teh - Officer Open-market sale Ordinary Shares 1,348 $440.49 $594K
Jan 29, 2026 BT Ban Seng Teh - Officer Option exercise NQ Options 9,433 $0.00 -
Jan 29, 2026 BT Ban Seng Teh - Officer Open-market sale Ordinary Shares 9,414 $440.24 $4.14M
Jan 26, 2026 JL James Ci Lee - Officer Open-market sale Ordinary Shares 673 $348.85 $235K
Aug 21, 2026 MOSLEY WILLIAM D Officer, Director 18,200 $15.46M View on EDGAR
$TBCH
Turtle Beach Corp
Gianluca Romano - Officer
