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 151-180 of 268
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1719
Price 748.53
Value 1286722
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1661
Price 755.72
Value 1255254
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1619
Price 749.67
Value 1213715
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1605
Price 747.64
Value 1199956
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1480
Price 756.83
Value 1120106
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1463
Price 746.53
Value 1092177
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 1264
Price 745.55
Value 942379
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Acquisition
Shares 14000
Price 46.23
Value 647220
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 840
Price 744.52
Value 625394
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 560
Price 743.14
Value 416158
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 758.05
Value 242575
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 120
Price 763.18
Value 91582
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 120
Price 742.01
Value 89041
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 80
Price 760.49
Value 60839
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 80
Price 758.65
Value 60692
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 14000
Price 0.00
Value 0
Security NQ Options
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 8003
Price 817.28
Value 6540725
Security Ordinary Shares
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Acquisition
Shares 2358
Price 101.34
Value 238960
Security Ordinary Shares
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Acquisition
Shares 3515
Price 64.31
Value 226050
Security Ordinary Shares
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Acquisition
Shares 2130
Price 68.83
Value 146608
Security Ordinary Shares
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 2358
Price 0.00
Value 0
Security NQ Options
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 3515
Price 0.00
Value 0
Security NQ Options
Date 14 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 2130
Price 0.00
Value 0
Security NQ Options
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 1569
Price 830.75
Value 1303447
Security Ordinary Shares
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 676
Price 803.76
Value 543344
Security Ordinary Shares
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 607
Price 809.63
Value 491444
Security Ordinary Shares
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 520
Price 800.26
Value 416135
Security Ordinary Shares
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 509
Price 804.71
Value 409600
Security Ordinary Shares
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 429
Price 808.60
Value 346888
Security Ordinary Shares
Date 13 May 2026
Insider TEH, BAN SENGEVP & Chief Commercial Officer
Side Disposal
Shares 419
Price 802.67
Value 336319
Security Ordinary Shares