Transaction · 0001266824-26-000174

Tregillis Cynthia L

Tregillis Cynthia L, CLO, CS, reported a transaction classified as withholding at WESTERN DIGITAL CORP involving 1109.000000 shares for an estimated $509518.96. Reported holdings after the transaction were 112830.000000 shares. The stored filing text includes a detected 10b5-1 reference.

withholdingSEC transaction code FCLO, CS
WDCWESTERN DIGITAL CORP
Filing timeAug 24
Trade dateAug 21, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$435.38
Pre-filing
1mo ago +27.9%1w ago +16.9%1d ago +7.7%
Returns since
7d +1.8%30d +1.8%90d +1.8%180d +1.8%1y +1.8%

WDC price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
WDC since 2026-08-24Filed 10 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001266824-26-000174
Common Stock
Transaction date
Aug 21, 2026
Filed Aug 24, 2026, 11:00 PM · 3d delay
Shares
1.10k sh
$45.9k per share
Estimated value
-$50.9M
Computed from shares × price
Holdings after
112k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership 10b5-1 Detected
-26score
Filing-only score

-26

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Legal Officer & Corp Sec

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to whic…

  2. F2

    Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

  3. F3

    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.

Original filing · 0001266824-26-000174
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0 other filings

Same reporting owner
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