Company Insider Tape

Seagate Technology PLC insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol STX Latest filing 23 Jul 2026

Company Read

Net disposal

STX has 268 stored insider filings. Acquisitions account for 8.6% of classified filings and disposals account for 91.4%. The largest stored filing is $10.0M from MOSLEY, WILLIAM D.

Latest filing 23 Jul 2026most recent stored row
Largest filing $10.0Mreported transaction value
Total filings 268stored transaction rows
Acquisition value $2.6M23 acquisitions
Disposal value $145.4M245 disposals
Net value $-142.9Macquisitions minus disposals

Filing cadence

Last 12 active months
Mar 2026 1
Apr 2026 24
May 2026 98
Jun 2026 96
Jul 2026 49

Acquisitions 8.6% · Disposals 91.4%

Mar 2026 $10.0M
Apr 2026 $8.7M
May 2026 $61.2M
Jun 2026 $39.4M
Jul 2026 $28.6M

Executive concentration

By filing count
MOSLEY, WILLIAM D Director, CEO · 149 filings
ROMANO, GIANLUCA EVP & CFO · 40 filings
TEH, BAN SENG EVP & Chief Commercial Officer · 37 filings
MORRIS, JOHN CHRISTOPHER EVP & CTO · 24 filings
LEE, JAMES CI EVP & CLO · 7 filings
CHONG, KIAN FATT EVP Global Operations · 6 filings
TILENIUS, STEPHANIE Director · 2 filings
BHATT, PRAT Director · 1 filings

Market Context

STX weekly market snapshot

Week 31 Jul 2026
Latest close 856.13 USDstored weekly close
1-week move +0.5%latest weekly bar
13-week move +4.4%medium-term context
Relative Strength 78.7Sharemaestro indicator
Fair value gap +301.9%price vs fair value
Trend signal 1smoothed trend state

Transaction History

Latest insider filings for STX

Showing 31-60 of 268
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 340
Price 897.78
Value 305246
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 932.94
Value 298541
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 929.11
Value 297314
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 905.12
Value 289638
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 902.14
Value 288684
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 890.02
Value 284805
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 887.97
Value 284152
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 308
Price 900.05
Value 277214
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 300
Price 898.79
Value 269638
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 280
Price 930.10
Value 260427
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 266
Price 894.39
Value 237909
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 254
Price 895.66
Value 227498
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 200
Price 934.45
Value 186890
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 200
Price 892.08
Value 178416
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 120
Price 931.62
Value 111794
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 120
Price 891.13
Value 106936
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 40
Price 892.93
Value 35717
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 3
Price 936.36
Value 2809
Security Ordinary Shares
Date 1 Jul 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 14000
Price 0.00
Value 0
Security NQ Options
Date 12 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1768
Price 880.19
Value 1556394
Security Ordinary Shares
Date 12 Jun 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 989
Price 880.19
Value 870508
Security Ordinary Shares
Date 12 Jun 2026
Insider ROMANO, GIANLUCAEVP & CFO
Side Disposal
Shares 903
Price 880.19
Value 795029
Security Ordinary Shares
Date 12 Jun 2026
Insider MORRIS, JOHN CHRISTOPHEREVP & CTO
Side Disposal
Shares 898
Price 880.19
Value 790411
Security Ordinary Shares
Date 12 Jun 2026
Insider MORRIS, JOHN CHRISTOPHEREVP & CTO
Side Disposal
Shares 466
Price 880.19
Value 410169
Security Ordinary Shares
Date 11 Jun 2026
Insider CHONG, KIAN FATTEVP Global Operations
Side Acquisition
Shares 678
Price 0.00
Value 0
Security Ordinary Shares
Date 11 Jun 2026
Insider CHONG, KIAN FATTEVP Global Operations
Side Disposal
Shares 678
Price 0.00
Value 0
Security Restricted Share Unit
Date 11 Jun 2026
Insider MORRIS, JOHN CHRISTOPHEREVP & CTO
Side Acquisition
Shares 942
Price 0.00
Value 0
Security Ordinary Shares
Date 11 Jun 2026
Insider MORRIS, JOHN CHRISTOPHEREVP & CTO
Side Disposal
Shares 942
Price 0.00
Value 0
Security Restricted Share Unit
Date 11 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Acquisition
Shares 3319
Price 0.00
Value 0
Security Ordinary Shares
Date 11 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 3319
Price 0.00
Value 0
Security Restricted Share Unit