Transactions
408
Insider / Seagate Technology Holdings plc
MOSLEY WILLIAM D
CEO at Seagate Technology Holdings plc
- Ticker
- STX
- First filing on record
- October 3, 2025
- Latest trade on record
- October 1, 2026
- SEC filings
- EDGAR ↗
MOSLEY WILLIAM D, CEO at Seagate Technology Holdings plc, has disclosed 408 transactions in STX since October 3, 2025: 0 purchases (0 open-market buys) and 358 sales, worth about $318.1M at the reported prices. The latest was filed October 2, 2026, 1 day after the trade.
Open-market buys
0
Sales
358
Avg. disclosure lag
1.4d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months MOSLEY WILLIAM D made no purchases and 337 sales worth $309M, plus 50 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
MOSLEY WILLIAM D has traded 1 stock on record; the largest by dollars is STX.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 29 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 351 | 469,954 | $308.9M |
| M | Option exercise or conversion | 46 | 681,584 | $3.9M |
| F | Shares withheld for tax | 7 | 14,559 | $5.3M |
| A | Grant or award | 4 | 44,029 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 357 | 0 | 313 · $297.3M |
| 2025 | 51 | 0 | 45 · $16.9M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| STX | Option / conversion M | October 1, 2026 | October 2, 2026 | 1d | 14,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 640 | $928 | $594K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 480 | $927 | $445K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 1,080 | $926 | $1000K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 640 | $925 | $592K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 760 | $924 | $702K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 800 | $923 | $738K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 930 | $922 | $857K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 630 | $921 | $580K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 840 | $920 | $772K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 920 | $918 | $845K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 400 | $917 | $367K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 480 | $916 | $440K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 960 | $915 | $878K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 904 | $914 | $826K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 696 | $913 | $636K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 1,146 | $912 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 840 | $911 | $765K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 307 | $910 | $279K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 1,027 | $909 | $933K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 560 | $907 | $508K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 601 | $906 | $545K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 480 | $905 | $435K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 480 | $904 | $434K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 696 | $903 | $629K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 384 | $903 | $347K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 440 | $901 | $397K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 517 | $900 | $466K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 360 | $898 | $323K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | October 1, 2026 | October 2, 2026 | 1d | 14,000 | $46 | $647K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 962 | $946 | $910K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 440 | $945 | $416K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 280 | $943 | $264K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 40 | $941 | $38K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 80 | $940 | $75K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 720 | $939 | $676K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 640 | $938 | $601K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 579 | $937 | $543K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 759 | $936 | $711K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 640 | $935 | $598K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 822 | $934 | $768K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 840 | $933 | $784K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 1,320 | $932 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 1,665 | $931 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 855 | $930 | $795K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | October 1, 2026 | October 2, 2026 | 1d | 360 | $929 | $334K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | September 14, 2026 | September 16, 2026 | 2d | 177,000 | — | — | derivative | Form 4 ↗ | |
| STX | Sell S | September 15, 2026 | September 16, 2026 | 1d | 97,889 | $772 | $75.6M | Form 4 ↗ | ||
| STX | Option / conversion M | September 14, 2026 | September 16, 2026 | 2d | 177,000 | — | — | Form 4 ↗ | ||
| STX | Option / conversion M | September 11, 2026 | September 15, 2026 | 4d | 3,319 | — | — | derivative | Form 4 ↗ | |
| STX | Sell S | September 14, 2026 | September 15, 2026 | 1d | 1,870 | $781 | $1.5M | Form 4 ↗ | ||
| STX | Option / conversion M | September 11, 2026 | September 15, 2026 | 4d | 3,319 | — | — | Form 4 ↗ | ||
| STX | Option / conversion M | September 9, 2026 | September 11, 2026 | 2d | 2,415 | — | — | derivative | Form 4 ↗ | |
| STX | Option / conversion M | September 9, 2026 | September 11, 2026 | 2d | 2,815 | — | — | derivative | Form 4 ↗ | |
| STX | Sell S | September 10, 2026 | September 11, 2026 | 1d | 1,316 | $862 | $1.1M | Form 4 ↗ | ||
| STX | Option / conversion M | September 9, 2026 | September 11, 2026 | 2d | 2,415 | — | — | Form 4 ↗ | ||
| STX | Sell S | September 10, 2026 | September 11, 2026 | 1d | 1,534 | $862 | $1.3M | Form 4 ↗ | ||
| STX | Option / conversion M | September 9, 2026 | September 11, 2026 | 2d | 2,815 | — | — | Form 4 ↗ | ||
| STX | Option / conversion M | September 1, 2026 | September 3, 2026 | 2d | 14,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 80 | $832 | $67K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 80 | $830 | $66K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 80 | $829 | $66K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 120 | $828 | $99K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 340 | $827 | $281K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 580 | $826 | $479K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 600 | $825 | $495K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,240 | $824 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 600 | $823 | $494K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 480 | $822 | $395K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 920 | $821 | $755K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,320 | $820 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,040 | $819 | $852K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 2,080 | $818 | $1.7M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 4,287 | $817 | $3.5M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 4,555 | $816 | $3.7M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 2,878 | $815 | $2.3M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 2,040 | $814 | $1.7M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,200 | $813 | $975K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,578 | $812 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,105 | $811 | $896K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 1,160 | $810 | $939K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 960 | $809 | $776K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 160 | $807 | $129K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 160 | $806 | $129K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | September 1, 2026 | September 3, 2026 | 2d | 357 | $805 | $287K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | September 1, 2026 | September 3, 2026 | 2d | 14,000 | $46 | $647K | 10b5-1 plan | Form 4 ↗ | |
| STX | Other A | August 20, 2026 | August 24, 2026 | 4d | 31,856 | — | — | derivative | Form 4 ↗ | |
| STX | Other A | August 20, 2026 | August 24, 2026 | 4d | 1,584 | — | — | derivative | Form 4 ↗ | |
| STX | Other A | August 20, 2026 | August 24, 2026 | 4d | 5,280 | — | — | derivative | Form 4 ↗ | |
| STX | Other A | August 20, 2026 | August 24, 2026 | 4d | 5,309 | — | — | derivative | Form 4 ↗ | |
| STX | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 21,065 | — | — | derivative | Form 4 ↗ | |
| STX | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 6,320 | — | — | derivative | Form 4 ↗ | |
| STX | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 6,404 | — | — | derivative | Form 4 ↗ | |
| STX | Sell S | August 21, 2026 | August 24, 2026 | 3d | 3,393 | $849 | $2.9M | Form 4 ↗ | ||
| STX | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 6,320 | — | — | Form 4 ↗ | ||
| STX | Sell S | August 21, 2026 | August 24, 2026 | 3d | 11,308 | $849 | $9.6M | Form 4 ↗ | ||
| STX | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 21,065 | — | — | Form 4 ↗ | ||
| STX | Sell S | August 21, 2026 | August 24, 2026 | 3d | 3,438 | $849 | $2.9M | Form 4 ↗ | ||
| STX | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 6,404 | — | — | Form 4 ↗ | ||
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 80 | $838 | $67K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 160 | $837 | $134K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 400 | $836 | $334K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 181 | $835 | $151K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 200 | $834 | $167K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 400 | $833 | $333K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 320 | $832 | $266K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,960 | $831 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,619 | $830 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,641 | $829 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,799 | $828 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,985 | $827 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,280 | $826 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,600 | $825 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 1,120 | $823 | $922K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 840 | $823 | $691K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 575 | $821 | $472K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 520 | $820 | $427K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 400 | $819 | $328K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | August 3, 2026 | August 4, 2026 | 1d | 14,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 320 | $818 | $262K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 440 | $817 | $360K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 320 | $816 | $261K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 394 | $815 | $321K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 366 | $814 | $298K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 400 | $813 | $325K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 640 | $812 | $520K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 520 | $810 | $421K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 383 | $810 | $310K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 697 | $809 | $564K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 280 | $808 | $226K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 640 | $806 | $516K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 840 | $805 | $676K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 520 | $804 | $418K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 360 | $802 | $289K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 400 | $801 | $320K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 520 | $800 | $416K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 480 | $799 | $384K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 560 | $798 | $447K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 680 | $797 | $542K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 761 | $796 | $606K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 368 | $794 | $292K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 480 | $794 | $381K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 711 | $793 | $564K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 440 | $791 | $348K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 120 | $790 | $95K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 160 | $788 | $126K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 40 | $786 | $31K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | August 3, 2026 | August 4, 2026 | 1d | 80 | $784 | $63K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | August 3, 2026 | August 4, 2026 | 1d | 14,000 | $46 | $647K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 3 | $936 | $2,809 | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 200 | $934 | $187K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 320 | $933 | $299K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 120 | $932 | $112K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 280 | $930 | $260K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 320 | $929 | $297K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 620 | $928 | $575K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 571 | $927 | $529K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,019 | $926 | $944K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 770 | $925 | $712K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,160 | $924 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 720 | $923 | $664K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 880 | $922 | $811K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 880 | $921 | $810K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,480 | $920 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 14,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 2,065 | $919 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,762 | $918 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,185 | $917 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 2,308 | $916 | $2.1M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 2,379 | $915 | $2.2M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,596 | $914 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 813 | $913 | $742K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 960 | $912 | $875K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 399 | $910 | $363K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 441 | $910 | $401K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 560 | $908 | $509K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 391 | $908 | $355K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 609 | $906 | $552K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 320 | $905 | $290K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 720 | $904 | $651K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 560 | $903 | $506K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 320 | $902 | $289K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 401 | $901 | $361K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 308 | $900 | $277K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 300 | $899 | $270K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 340 | $898 | $305K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 400 | $897 | $359K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 254 | $896 | $227K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 266 | $894 | $238K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 40 | $893 | $36K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 200 | $892 | $178K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 120 | $891 | $107K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 320 | $890 | $285K | 10b5-1 plan | Form 4 ↗ | |
| STX | Sell S | July 1, 2026 | July 2, 2026 | 1d | 320 | $888 | $284K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 14,000 | $46 | $647K | 10b5-1 plan | Form 4 ↗ | |
| STX | Option / conversion M | June 11, 2026 | June 15, 2026 | 4d | 3,319 | — | — | derivative | Form 4 ↗ | |
| STX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 1,768 | $880 | $1.6M | Form 4 ↗ | ||
| STX | Option / conversion M | June 11, 2026 | June 15, 2026 | 4d | 3,319 | — | — | Form 4 ↗ | ||
| STX | Option / conversion M | June 9, 2026 | June 11, 2026 | 2d | 2,415 | — | — | derivative | Form 4 ↗ | |
| STX | Option / conversion M | June 9, 2026 | June 11, 2026 | 2d | 2,815 | — | — | derivative | Form 4 ↗ |
Showing the 200 most recent of 408.
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| October 2, 2026 | Form 4 | 0001137789-26-000261 | 30 | published | EDGAR ↗ |
| October 2, 2026 | Form 4 | 0001137789-26-000262 | 16 | published | EDGAR ↗ |
| September 16, 2026 | Form 4 | 0001137789-26-000252 | 3 | published | EDGAR ↗ |
| September 15, 2026 | Form 4 | 0001137789-26-000239 | 3 | published | EDGAR ↗ |
| September 11, 2026 | Form 4 | 0001137789-26-000222 | 6 | published | EDGAR ↗ |
| September 3, 2026 | Form 4 | 0001137789-26-000197 | 28 | published | EDGAR ↗ |
| August 24, 2026 | Form 4 | 0001137789-26-000182 | 13 | published | EDGAR ↗ |
| August 4, 2026 | Form 4 | 0001137789-26-000163 | 31 | published | EDGAR ↗ |
| August 4, 2026 | Form 4 | 0001137789-26-000164 | 19 | published | EDGAR ↗ |
| July 2, 2026 | Form 4 | 0001137789-26-000147 | 31 | published | EDGAR ↗ |
| July 2, 2026 | Form 4 | 0001137789-26-000148 | 15 | published | EDGAR ↗ |
| June 15, 2026 | Form 4 | 0001137789-26-000138 | 3 | published | EDGAR ↗ |
| June 11, 2026 | Form 4 | 0001137789-26-000129 | 6 | published | EDGAR ↗ |
| June 2, 2026 | Form 4 | 0001137789-26-000116 | 31 | published | EDGAR ↗ |
| June 2, 2026 | Form 4 | 0001137789-26-000117 | 20 | published | EDGAR ↗ |
| May 21, 2026 | Form 4 | 0001137789-26-000106 | 21 | published | EDGAR ↗ |
| April 2, 2026 | Form 4 | 0001137789-26-000076 | 21 | published | EDGAR ↗ |
| March 23, 2026 | Form 4 | 0001137789-26-000074 | 1 | published | EDGAR ↗ |
| March 12, 2026 | Form 4 | 0001137789-26-000066 | 3 | published | EDGAR ↗ |
| March 11, 2026 | Form 4 | 0001137789-26-000058 | 6 | published | EDGAR ↗ |
| March 3, 2026 | Form 4 | 0001137789-26-000050 | 22 | published | EDGAR ↗ |
| February 23, 2026 | Form 4 | 0001137789-26-000041 | 3 | published | EDGAR ↗ |
| February 3, 2026 | Form 4 | 0001137789-26-000034 | 16 | published | EDGAR ↗ |
| January 6, 2026 | Form 4 | 0001137789-26-000002 | 9 | published | EDGAR ↗ |
| December 12, 2025 | Form 4 | 0001137789-25-000367 | 3 | published | EDGAR ↗ |
| December 11, 2025 | Form 4 | 0001137789-25-000357 | 6 | published | EDGAR ↗ |
| December 2, 2025 | Form 4 | 0001137789-25-000345 | 8 | published | EDGAR ↗ |
| November 5, 2025 | Form 4 | 0001137789-25-000328 | 13 | published | EDGAR ↗ |
| October 3, 2025 | Form 4 | 0001137789-25-000243 | 21 | published | EDGAR ↗ |
Other insiders at Seagate Technology Holdings plc
- Romano Gianluca EVP & CFO 238 rows
- Teh Ban Seng EVP & Chief Commercial Officer 177 rows
- Morris John Christopher EVP & CTO 105 rows
- Lee James CI EVP & CLO 60 rows
- Chong Kian Fatt EVP Global Operations 40 rows
- BRUNER JUDY Director 9 rows
- Tilenius Stephanie Director 9 rows
- Conyers Yolanda Lee Director 8 rows
- Adams Mark Director 7 rows
- Arumugavelu Shankar Director 6 rows
Everyone on file, with contracts and lobbying under the company's name: Seagate Technology Holdings plc.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 29 | 408 | October 3, 2025 | October 2, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.