Insider trade

Director sold ~$138K of WDC shares in the open market

Traded Jul 28, 2026 · Filed Jul 29, 2026

~$138K
Reported value · 304 sh @ $455.5468: 23K
Holds after · shares reported: -0.2%
stock since the trade · S&P 500 +3.1%, $463.51 → $462.56 on Oct 1

Why it stands out

A board member of Western Digital sold $138K of Western Digital shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Jul 28, 2026
Reporting period: Not applicable
Filed with the SEC: Jul 29, 2026

Director$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$138,486

Shares × reported transaction price

Timing vs results

89 days after results of Apr 30, 2026, 8 days before results of Aug 5, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $463.51 on Jul 28, 2026, 556% above its 52-week low and 38% below its high, after an 18% drop over the previous 30 trading days

52-week range $70.61 (Jul 29, 2025) to $746.23 (Jun 18, 2026), 58% of the way up, from 251 adjusted closes. 30 trading days earlier: $562.925 on Jun 12, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-15.3%	+3.6%	-18.9%
30 days	-15.5%	+3.4%	-18.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001266824-26-000163
Filed / recorded: Jul 29, 2026, 11:31 PM UTC
Added to OQRO: Oct 2, 2026, 12:29 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: WESTERN DIGITAL CORP
Issuer CIK: 106040
Ticker: WDC
Reporting person: Martin I Cole
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Jul 28, 2026
Transaction code: S
Shares / units: 304
Price per share: $455.5468
Acquired / disposed: Disposed (D)
Shares owned after: 23,241
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.
Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $455.03 to a high of $456.02. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.