Insider trade

Officer sold ~$428K of WDC shares in the open market

Traded Jul 21, 2026 · Filed Jul 22, 2026

~$428K
Reported value · 808 sh @ $529.63: 115K
Holds after · shares reported: -15.7%
stock since the trade · S&P 500 +2.1%, $548.39 → $462.56 on Oct 1

Why it stands out

Western Digital's Chief Legal Officer & Corp Sec sold $428K 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 21, 2026
Reporting period: Not applicable
Filed with the SEC: Jul 22, 2026

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

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$427,941

Shares × reported transaction price

Timing vs results

82 days after results of Apr 30, 2026, 15 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 $548.39 on Jul 21, 2026, 718% above its 52-week low and 27% below its high, after a 7% rise over the previous 30 trading days

52-week range $67.06 (Jul 22, 2025) to $746.23 (Jun 18, 2026), 71% of the way up, from 251 adjusted closes. 30 trading days earlier: $511.72 on Jun 5, 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	-17.0%	-2.4%	-14.6%
30 days	-17.5%	+2.5%	-19.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001266824-26-000160
Filed / recorded: Jul 22, 2026, 12:56 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: Jul 21, 2026
Transaction code: S
Shares / units: 808
Price per share: $529.63
Acquired / disposed: Disposed (D)
Shares owned after: 114,539
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

7w ago

Fund holdings

172KShares reported · -77K vs prior quarter

From a 13F filed Aug 14, 2026 covering holdings at Jun 30, 2026 — a quarter-end snapshot, not a live trade.

Why it stands out Official record

CEO sold ~$1.09M of Western Digital

Scheduled in advance8w ago

CEO sold ~$437K of Western Digital