Insider trade

Officer sold ~$482K of WDC shares in the open market

Traded Aug 27, 2026 · Filed Aug 28, 2026

~$482K
Reported value · 1,007 sh @ $478.36: 112K
Holds after · shares reported: +0.1%
stock since the trade · S&P 500 -0.9%, $462.00 → $462.56 on Oct 1

Why it stands out

Western Digital's Chief Legal Officer & Corp Sec sold $482K 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: Aug 27, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 28, 2026

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

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$481,709

Shares × reported transaction price

Timing vs results

22 days after 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 $462.00 on Aug 27, 2026, 475% above its 52-week low and 38% below its high, after a 1% drop over the previous 30 trading days

52-week range $80.34 (Aug 29, 2025) to $746.23 (Jun 18, 2026), 57% of the way up, from 251 adjusted closes. 30 trading days earlier: $466.81 on Jul 16, 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	+1.7%	+0.1%	+1.6%
30 days	-1.4%	-0.5%	-0.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001266824-26-000188
Filed / recorded: Aug 28, 2026, 12:05 AM 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: Cynthia L Tregillis
Relationship: Officer
Officer title: Chief Legal Officer & Corp Sec
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Aug 27, 2026
Transaction code: S
Shares / units: 1,007
Price per share: $478.36
Acquired / disposed: Disposed (D)
Shares owned after: 112,155
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 6, 2026.

Around the same time

2w ago

27.38Derivative units

Compensation award — excluded from discretionary-purchase analysis.

Why it stands out Official record

2w ago

56.76Shares

Derivative exercise or conversion — not an open-market buy.

Why it stands out Official record

2w ago

1,091.04Shares · @ $441.36

Routine share withholding; mechanical by default.

Why it stands out Official record