Transaction · 0001266824-26-000107

Tregillis Cynthia L

Tregillis Cynthia L, CLO, CS, reported an open-market or private sale at WESTERN DIGITAL CORP involving 214.000000 shares for an estimated $115480.82. Reported holdings after the transaction were 117157.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCLO, CS
WDCWESTERN DIGITAL CORP
Trade date
May 27, 2026
Filing date
May 27, 2026
View on SEC Insider profile
Estimated value-$115kShares × reported price
Shares traded214$539.63 per share
Holdings after117kDirect
% of reported position traded0.18%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 117,371 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

WDC price since this filing

Daily closing prices, with the filing date and available return windows
WDC · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -24.5%1w ago -13.4%1d ago -1.1%
Returns since7d +12.0%30d +10.5%90d -16.5%180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001266824-26-000107
Common Stock
Transaction date
May 27, 2026
Filed May 27, 2026, 10:41 PM · 0d delay
Shares
214 sh
$539.63 per share
Estimated value
-$115k
Computed from shares × price
Holdings after
117,157 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Repeat Seller 10b5-1 Detected
Filing-only score

0 points

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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 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.

  2. F2

    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…

  3. F3

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

Original filing · 0001266824-26-000107
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