← Back
$WDC All transactions

WESTERN DIGITAL CORP

M 10b5-1 Plan

$ Value

$0

Shares

24

Price

$0

Filed

Mar 5

Insider

Name

Tregillis Cynthia L

Title

Chief Legal Officer & Corp Sec

CIK

0002057088

Roles

Officer

Transaction Details

Transaction Date

2026-03-03

Code

M

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

304

Footnotes

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 which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right. | Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). | 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. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $269.17 to a high of $269.2201. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Filing Info

Accession No.

0001266824-26-000039

Form Type

4

Issuer CIK

0000106040

Tregillis Cynthia L's History

Date Ticker Type Value
2026-04-21 WDC $137K
2026-04-20 WDC M $0
2026-04-20 WDC F $489K
2026-04-20 WDC M $0
2026-03-18 WDC A $0
2026-03-04 WDC $200K
2026-03-04 WDC $2.3M
2026-03-03 WDC M $0
2026-03-03 WDC F $701K
2026-03-03 WDC M $0

Other Insiders at WDC (90d)

Insider Bought Sold Last
STREETER STEPHANIE A 2026-03-18
DOLUCA TUNC 2026-03-18
KIDDOO BRUCE E 2026-03-18
MASSENGILL MATTHEW E $9.6M 2026-03-18
Cole Martin I $1.6M 2026-03-18
Alexy Kimberly 2026-03-18
Sennesael Kris
Chief Financial Officer
2026-03-18
Oulman Roxanne 2026-03-18
Feller Brad
SVP & Chief Accounting Officer
2026-03-18
Tan Irving
Chief Executive Officer
$5.1M 2026-03-20
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
$4.7M 2026-04-21
Davis Brian Scott
Chief Sales & Mrktng Officer
$2.8M 2026-03-20
Gubbi Vidyadhara K
Chief of Global Operations
$4.9M 2026-04-20
Shihab Ahmed Mohammed
Chief Product Officer
2026-03-18