STX
Seagate Technology Holdings plc
NASDAQ · Technology · Computer Hardware · IE
$660.81
+3.41%0
Insider buys (3m)
161
Insider sells (3m)
-$275.4M
Net value (3m)
-17.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 1,665 | $931 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 930 | $922 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 720 | $939 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 759 | $936 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 800 | $923 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 920 | $918 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 579 | $937 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | M-Exempt | 14,000 | $46 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 480 | $904 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 560 | $907 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 760 | $924 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 1,027 | $909 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 440 | $945 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 80 | $940 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 640 | $935 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 40 | $941 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 1,320 | $932 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 822 | $934 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 696 | $903 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 280 | $943 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 855 | $930 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 517 | $900 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 360 | $929 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 630 | $921 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 1,080 | $926 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 840 | $933 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 962 | $946 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 400 | $917 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 904 | $914 |
| Oct 2, 2026 | MOSLEY WILLIAM D · director, officer: CEO | Sale | 960 | $915 |
Institutional positioning
13F filings over the trailing two quarters
New 876Increased 1168Reduced 1162Sold out 90
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 15,166,793 | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 14,630,067 | Aug 13, 2026 |
| BLACKROCK, INC. | Reduced | 14,274,083 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 14,155,673 | May 15, 2026 |
| SANDERS CAPITAL, LLC | Reduced | 12,897,201 | May 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 11,094,908 | May 8, 2026 |
| STATE STREET CORP | Increased | 9,911,669 | Sep 22, 2026 |
| STATE STREET CORP | Reduced | 9,321,632 | May 15, 2026 |
| FMR LLC | Increased | 8,176,918 | May 15, 2026 |
| FMR LLC | Reduced | 8,153,134 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 7,999,686 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 7,883,013 | Aug 14, 2026 |
| Invesco Ltd. | Increased | 7,546,280 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | Reduced | 6,659,239 | May 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 5,906,385 | Aug 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 2, 2026