Other insiders

William D Mosley

Transactions disclosed by this reporting insider. Insider filers can be individuals or organisations.

Source last checked 2026-10-12 01:37 UTC. Reporting dates appear with the records.

Stock growth & value

Stocks linked to collected disclosures. Prices refresh in the background; the chart shows its actual price dates.

Stock / disclosure source

Latest stored close

$783.00

STX · 2026-10-09 · USD

Stock price change

+$571.37

+269.99% over the displayed dates

Chart dates

2025-10-14 – 2026-10-09

Completed daily price dates

Stock price · move across the chart or use arrow keys

Oct 14, 2025Oct 9, 2026

Illustrative starting investment

Starting investment

$10K

2025-10-14 · hypothetical

Investment value

$37K

As of 2026-10-09

Estimated gain / loss

+$26,998.53

+269.99%

Illustration assumes buying this stock at the first displayed close and holding through the last. It does not represent this person's investment or earnings. Uses stored split-adjusted closing prices, without dividends, fees or taxes. Only mapped USD share positions qualify for firm estimates; options, debt and unmapped holdings are excluded. This chart covers the selected stock.

Collected Form 4 activity · 2026-07-01 – 2026-09-15. Priced non-derivative purchases and sales, including scheduled trades; excludes grants, exercises and tax withholding. These totals do not change with the chart period.

Disclosed purchases

—

No priced purchase collected

Disclosed sales

$171.4M

Sale proceeds, not profit

Explore STX and its full price history →

152 transaction lines

SEC Form 4 records. Grants, exercises, tax withholding and scheduled sales retain their labels.

Company	Action	Shares	Price	Value	Date
STXSeagate Technology Holdings PLC2026-09-15	Sale	97.9K	$772.14	$75.6M	2026-09-15
STXSeagate Technology Holdings PLC2026-09-14	Sale	1.9K	$781.23	$1.5M	2026-09-14
STXSeagate Technology Holdings PLC2026-09-14	Option exercisederivative	177K	—	—	2026-09-14
STXSeagate Technology Holdings PLC2026-09-14	Option exercise	177K	—	—	2026-09-14
STXSeagate Technology Holdings PLC2026-09-11	Option exercise	3.3K	—	—	2026-09-11
STXSeagate Technology Holdings PLC2026-09-11	Option exercisederivative	3.3K	—	—	2026-09-11
STXSeagate Technology Holdings PLC2026-09-10	Sale	1.5K	$862.13	$1.3M	2026-09-10
STXSeagate Technology Holdings PLC2026-09-10	Sale	1.3K	$862.14	$1.1M	2026-09-10
STXSeagate Technology Holdings PLC2026-09-09	Option exercise	2.4K	—	—	2026-09-09
STXSeagate Technology Holdings PLC2026-09-09	Option exercisederivative	2.8K	—	—	2026-09-09
STXSeagate Technology Holdings PLC2026-09-09	Option exercisederivative	2.4K	—	—	2026-09-09
STXSeagate Technology Holdings PLC2026-09-09	Option exercise	2.8K	—	—	2026-09-09
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	4.3K	$816.75	$3.5M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	2.1K	$817.71	$1.7M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1K	$818.78	$851.5K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1.3K	$819.84	$1.1M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	920	$820.89	$755.2K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	480	$822.05	$394.6K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	600	$822.89	$493.7K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1.2K	$824.05	$1M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	600	$824.93	$495K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	580	$826.00	$479.1K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	340	$826.86	$281.1K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	120	$827.90	$99.3K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	80	$829.10	$66.3K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	80	$830.36	$66.4K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	80	$832.05	$66.6K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Option exercisederivative10b5-1 plan	14K	—	—	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1.6K	$811.73	$1.3M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Option exercise10b5-1 plan	14K	$46.23	$647.2K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	357	$804.61	$287.2K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	160	$805.55	$128.9K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	160	$807.19	$129.2K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	960	$808.62	$776.3K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1.2K	$809.55	$939.1K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1.1K	$810.78	$895.9K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	1.2K	$812.55	$975.1K	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	2K	$813.74	$1.7M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	2.9K	$814.75	$2.3M	2026-09-01
STXSeagate Technology Holdings PLC2026-09-01	Sale10b5-1 plan	4.6K	$815.75	$3.7M	2026-09-01
STXSeagate Technology Holdings PLC2026-08-21	Sale	11.3K	$849.35	$9.6M	2026-08-21
STXSeagate Technology Holdings PLC2026-08-21	Sale	3.4K	$849.35	$2.9M	2026-08-21
STXSeagate Technology Holdings PLC2026-08-21	Sale	3.4K	$849.35	$2.9M	2026-08-21
STXSeagate Technology Holdings PLC2026-08-20	Option exercise	6.3K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Option exercisederivative	6.4K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Option exercisederivative	6.3K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Option exercisederivative	21.1K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Grantderivative	5.3K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Grantderivative	5.3K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Grantderivative	1.6K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Grantderivative	31.9K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Option exercise	21.1K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-20	Option exercise	6.4K	—	—	2026-08-20
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	2K	$830.83	$1.6M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Option exercise10b5-1 plan	14K	$46.23	$647.2K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	80	$783.84	$62.7K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	40	$786.12	$31.4K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	160	$787.77	$126K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	120	$789.55	$94.7K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	440	$790.98	$348K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	711	$792.72	$563.6K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	480	$793.70	$381K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	368	$794.39	$292.3K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	761	$795.81	$605.6K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	680	$797.04	$542K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	560	$797.85	$446.8K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	480	$799.27	$383.6K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	520	$800.08	$416K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	400	$801.05	$320.4K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	360	$802.08	$288.7K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	520	$803.73	$417.9K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	840	$804.73	$676K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	640	$806.47	$516.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	280	$807.65	$226.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	697	$808.72	$563.7K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	383	$809.71	$310.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	520	$810.44	$421.4K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	640	$811.82	$519.6K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	400	$812.84	$325.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	366	$814.07	$298K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	394	$814.99	$321.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	320	$815.87	$261.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	440	$817.17	$359.6K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	320	$818.32	$261.9K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Option exercisederivative10b5-1 plan	14K	—	—	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	400	$819.41	$327.8K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	520	$820.35	$426.6K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	575	$821.46	$472.3K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	840	$822.56	$690.9K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	1.1K	$823.46	$922.3K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	1.6K	$824.57	$1.3M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	1.3K	$825.64	$1.1M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	2K	$826.76	$1.6M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	1.8K	$827.67	$1.5M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	1.6K	$828.60	$1.4M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	1.6K	$829.78	$1.3M	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	320	$832.02	$266.2K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	400	$832.73	$333.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	200	$833.91	$166.8K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	181	$835.06	$151.1K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	400	$835.99	$334.4K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	160	$836.77	$133.9K	2026-08-03
STXSeagate Technology Holdings PLC2026-08-03	Sale10b5-1 plan	80	$837.98	$67K	2026-08-03
CRUSCirrus Logic Inc2026-07-31	Grantderivative	1.6K	—	—	2026-07-31
CRUSCirrus Logic Inc2026-07-29	Option exercisederivative	2K	—	—	2026-07-29
CRUSCirrus Logic Inc2026-07-29	Grant	2K	—	—	2026-07-29
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	320	$890.02	$284.8K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	120	$891.13	$106.9K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	200	$892.08	$178.4K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	40	$892.93	$35.7K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	266	$894.39	$237.9K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	254	$895.66	$227.5K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	400	$896.78	$358.7K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	340	$897.78	$305.2K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	300	$898.79	$269.6K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	308	$900.05	$277.2K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	401	$900.82	$361.2K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	320	$902.14	$288.7K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	560	$903.08	$505.7K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	720	$904.36	$651.1K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	320	$905.12	$289.6K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	609	$906.47	$552K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	391	$907.56	$354.9K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	560	$908.42	$508.7K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	441	$909.52	$401.1K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	399	$910.49	$363.3K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	960	$911.63	$875.2K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	813	$912.72	$742K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	1.6K	$913.65	$1.5M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	2.4K	$914.77	$2.2M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	2.3K	$915.65	$2.1M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	1.2K	$916.61	$1.1M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	1.8K	$917.67	$1.6M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	2.1K	$918.67	$1.9M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Option exercisederivative10b5-1 plan	14K	—	—	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	1.5K	$919.64	$1.4M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	880	$920.57	$810.1K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	880	$921.80	$811.2K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	720	$922.68	$664.3K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	1.2K	$923.83	$1.1M	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	770	$925.03	$712.3K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	1K	$926.17	$943.8K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	571	$927.00	$529.3K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	620	$928.10	$575.4K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	320	$929.11	$297.3K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	280	$930.10	$260.4K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	120	$931.62	$111.8K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	320	$932.94	$298.5K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	200	$934.45	$186.9K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	3	$936.36	$2.8K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Option exercise10b5-1 plan	14K	$46.23	$647.2K	2026-07-01
STXSeagate Technology Holdings PLC2026-07-01	Sale10b5-1 plan	320	$887.97	$284.2K	2026-07-01

Full insider record and planned-sale notices →

Original sources

SEC filings ↗filings

Related datasets

SEC FilingsAuditor changes, restatements, departures and results, from 8-Ks.Insider TradingWhat company officers and directors buy and sell.Insider BuyingCluster buys, and chief executives buying their own stock.The InsidersOne page per filer: every company they file against.