WESTERN DIGITAL CORP

WDC

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001266824-26-000039
Filing date: Mar 5, 2026
Earliest execution date: Mar 3, 2026

Summary

Type

Sell

Net shares

-12,122

% of shares

-9.06%

Amount (USD)

$3,202,588

Insider confidence score

27.5 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Very large scheduled sell (<10% of shares)
  • Very large sell amount ($1M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-03

Code

M

Net shares

+23.0

Acquired/Disposed

Acquired

Shares Owned Before

133,781.0

Shares Owned After

133,804.0

Transaction 2

Security

Common Stock

Action

Tax_withhold

Date

2026-03-03

Code

F

Net shares

-2,798.0

Price per Share

$250.61

Amount (USD)

$701,206.78

Acquired/Disposed

Disposed

Shares Owned Before

133,804.0

Shares Owned After

131,006.0

Transaction 3

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-777.0

Price per Share

$257.91

Amount (USD)

$200,396.07

Acquired/Disposed

Disposed

Shares Owned Before

131,006.0

Shares Owned After

130,229.0

Transaction 4

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-8,547.0

Price per Share

$269.22

Amount (USD)

$2,300,985.73

Acquired/Disposed

Disposed

Shares Owned Before

130,229.0

Shares Owned After

121,682.0

Derivative Transactions

Transaction 1

Security

Dividend Equivalent Rights

Action

Exercise

Date

2026-03-03

Code

M

Net shares

-23.8133

Acquired/Disposed

Disposed

Shares Owned Before

328.22630000000004

Shares Owned After

304.413

Filing's footnotes

1. 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.

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

3. 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.

4. 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.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.