Other insiders

Martin I Cole

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

$397.28

WDC · 2026-10-09 · USD

Stock price change

+$284.15

+251.17% 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

$35.1K

As of 2026-10-09

Estimated gain / loss

+$25,117.12

+251.17%

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 · 2026-07-28 – 2026-07-28. 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

$1.8M

Sale proceeds, not profit

Explore WDC and its full price history →

33 transaction lines

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

Company	Action	Shares	Price	Value	Date
WDCWestern Digital Corp2026-09-17	Grantderivative	0.7	—	—	2026-09-17
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	64	$424.05	$27.1K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	32	$425.31	$13.6K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	64	$426.45	$27.3K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	115	$428.08	$49.2K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	93	$429.12	$39.9K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	103	$430.45	$44.3K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	115	$431.41	$49.6K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	38	$432.20	$16.4K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	112	$433.84	$48.6K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	64	$434.81	$27.8K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	32	$435.59	$13.9K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	154	$436.89	$67.3K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	118	$438.08	$51.7K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	64	$439.38	$28.1K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	96	$440.96	$42.3K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	32	$442.47	$14.2K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	32	$444.51	$14.2K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	32	$447.10	$14.3K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	41	$448.46	$18.4K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	39	$449.42	$17.5K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	70	$451.30	$31.6K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	106	$452.12	$47.9K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	144	$453.27	$65.3K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	128	$454.44	$58.2K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	304	$455.55	$138.5K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	312	$456.52	$142.4K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	328	$457.45	$150K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	529	$458.96	$242.8K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	248	$459.97	$114.1K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	199	$461.23	$91.8K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	160	$462.30	$74K	2026-07-28
WDCWestern Digital Corp2026-07-28	Sale10b5-1 plan	32	$465.12	$14.9K	2026-07-28

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.