Transaction · 0001266824-26-000188

Tregillis Cynthia L

Tregillis Cynthia L, CLO, CS, reported a transaction classified as withholding at WESTERN DIGITAL CORP involving 771.000000 shares for an estimated $347528.25. Reported holdings after the transaction were 111382.000000 shares. The stored filing text includes a detected 10b5-1 reference.

withholdingSEC transaction code FCLO, CS
WDCWESTERN DIGITAL CORP
Filing timeAug 28
Trade dateAug 25, 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
Pre-filing
Returns since

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 2026-08-28Filed 6 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
0001266824-26-000188
Common Stock
Transaction date
Aug 25, 2026
Filed Aug 28, 2026, 12:05 AM · 3d delay
Shares
771 sh
$45.0k per share
Estimated value
-$34.7M
Computed from shares × price
Holdings after
111k 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

    Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

  4. F4

    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 · 0001266824-26-000188
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