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 121-150 of 268
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 440
Price 934.17
Value 411035
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 415
Price 933.25
Value 387299
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 360
Price 924.88
Value 332958
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 355
Price 937.39
Value 332772
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 360
Price 886.72
Value 319220
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 360
Price 885.67
Value 318843
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 935.44
Value 299341
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 928.21
Value 297028
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 926.83
Value 296586
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 916.78
Value 293368
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 912.22
Value 291911
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 900.54
Value 288174
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 320
Price 896.43
Value 286856
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 273
Price 938.82
Value 256297
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 280
Price 914.61
Value 256090
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 280
Price 897.43
Value 251280
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 240
Price 930.12
Value 223230
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 240
Price 887.72
Value 213052
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 200
Price 931.65
Value 186329
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 208
Price 893.00
Value 185744
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 200
Price 915.52
Value 183104
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 163
Price 888.89
Value 144889
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 160
Price 899.27
Value 143884
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 80
Price 940.00
Value 75200
Security Ordinary Shares
Date 1 Jun 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 14000
Price 0.00
Value 0
Security NQ Options
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 4810
Price 750.84
Value 3611564
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 4206
Price 751.75
Value 3161839
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 3182
Price 752.72
Value 2395156
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 2708
Price 753.69
Value 2041005
Security Ordinary Shares
Date 20 May 2026
Insider MOSLEY, WILLIAM DDirector, CEO
Side Disposal
Shares 2163
Price 754.70
Value 1632415
Security Ordinary Shares