Transaction · 0001266824-26-000021

Tregillis Cynthia L

Tregillis Cynthia L, CLO, CS, reported a transaction classified as exercise at WESTERN DIGITAL CORP involving 3.234000 shares for an estimated $0.00. Reported holdings after the transaction were 344.228100 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MCLO, CS
WDCWESTERN DIGITAL CORP
Filing timeFeb 24
Trade dateFeb 20, 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
$270.57
Pre-filing
1mo ago -10.6%1w ago +4.1%1d ago +5.2%
Returns since
7d -7.4%30d +1.0%90d +79.0%180d +69.8%1y +63.8%

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 2026-02-24Filed 191 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

Derivative
Type
exercise
Code M
Identifier
0001266824-26-000021
Dividend Equivalent Rights
Transaction date
Feb 20, 2026
Filed Feb 24, 2026, 12:00 AM · 4d delay
Shares
3 sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
344 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership 10b5-1 Detected
-20score
Filing-only score

-20

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 May 23, 2025.

Original filing · 0001266824-26-000021
Related transactions

0 other filings

Same reporting owner
Recent company activity

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