WDC · Western Digital Corp · Insider Trading
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Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $394.8900 to a high of $395.8721. 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. |
Common Stock
|
209 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $390.8463 to a high of $391.8300. 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. |
Common Stock
|
385 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $401.0000 to a high of $401.8100. 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. |
Common Stock
|
43 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $396.9333 to a high of $397.9274. 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. |
Common Stock
|
584 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $393.8700 to a high of $394.8682. 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. |
Common Stock
|
243 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $398.9400 to a high of $399.9200. 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. |
Common Stock
|
303 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $389.6074 to a high of $390.5492. 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. |
Common Stock
|
204 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $397.9343 to a high of $398.9000. 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. |
Common Stock
|
723 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $395.9300 to a high of $396.9100. 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. |
Common Stock
|
317 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $399.9563 to a high of $400.9500. 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. |
Common Stock
|
88 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $391.8473 to a high of $392.8400. 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. |
Common Stock
|
407 |
| 2026-10-29 | Cole Martin I |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $392.8499 to a high of $393.7911. 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. |
Common Stock
|
494 |
| 2026-10-21 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Sell↓
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
807 |
| 2026-10-20 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
14 |
| 2026-10-20 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Convert↓
Filing footnotes — Dividend Equivalent Rights (Direct)
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. |
Dividend Equivalent Rights
|
14 |
| 2026-10-20 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
1,309 |
| 2026-09-20 | Tan Irving |
Director, EVP, Chief of Operations |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
1,091 |
| 2026-09-20 | Tan Irving |
Director, EVP, Chief of Operations |
Convert↓
Filing footnotes — Dividend Equivalent Rights (Direct)
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. |
Dividend Equivalent Rights
|
56 |
| 2026-09-20 | Tan Irving |
Director, EVP, Chief of Operations |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
56 |
| 2026-09-20 | Davis Brian Scott |
Chief Sales & Mrktng Officer |
Convert↓
Filing footnotes — Dividend Equivalent Rights (Direct)
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. |
Dividend Equivalent Rights
|
8 |
| 2026-09-20 | Davis Brian Scott |
Chief Sales & Mrktng Officer |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
8 |
| 2026-09-20 | Davis Brian Scott |
Chief Sales & Mrktng Officer |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
963 |
| 2026-09-17 | Shihab Ahmed Mohammed |
Chief Product Officer |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
56 |
| 2026-09-17 | Davis Brian Scott |
Chief Sales & Mrktng Officer |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
16 |
| 2026-09-17 | KIDDOO BRUCE E |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-17 | Sennesael Kris |
SVP & Chief Financial Officer |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
46 |
| 2026-09-17 | Shihab Ahmed Mohammed |
Chief Product Officer |
Convert↓
Filing footnotes — Dividend Equivalent Rights (Direct)
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. |
Dividend Equivalent Rights
|
56 |
| 2026-09-17 | Feller Brad |
SVP & Chief Accounting Officer |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
4 |
| 2026-09-17 | Cole Martin I |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-17 | MASSENGILL MATTHEW E |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
10 |
| 2026-09-17 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
27 |
| 2026-09-17 | STREETER STEPHANIE A |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-17 | Tan Irving |
Director, EVP, Chief of Operations |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
83 |
| 2026-09-17 | DOLUCA TUNC |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-17 | Gubbi Vidyadhara K |
Chief of Global Operations |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
21 |
| 2026-09-17 | Oulman Roxanne |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-17 | Shihab Ahmed Mohammed |
Chief Product Officer |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
42 |
| 2026-09-17 | Shihab Ahmed Mohammed |
Chief Product Officer |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
5,150 |
| 2026-09-17 | Das Manuvir |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-17 | Alexy Kimberly |
Director |
Award↑
Filing footnotes — Dividend Equivalent Rights (Direct)
The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
Dividend Equivalent Rights
|
0 |
| 2026-09-04 | Gubbi Vidyadhara K |
Chief of Global Operations |
Sell↓
|
Common Stock
|
1,795 |
| 2026-09-04 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Sell↓
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
432 |
| 2026-09-03 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Convert↓
Filing footnotes — Dividend Equivalent Rights (Direct)
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. |
Dividend Equivalent Rights
|
7 |
| 2026-09-03 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
700 |
| 2026-09-03 | Gubbi Vidyadhara K |
Chief of Global Operations |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
1,764 |
| 2026-09-03 | Tregillis Cynthia L |
Chief Legal Officer & Corp Sec |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
7 |
| 2026-09-03 | Gubbi Vidyadhara K |
Chief of Global Operations |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
14 |
| 2026-09-03 | Davis Brian Scott |
Chief Sales & Mrktng Officer |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
882 |
| 2026-09-03 | Davis Brian Scott |
Chief Sales & Mrktng Officer |
Convert↑
Filing footnotes — Common Stock (Direct)
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. |
Common Stock
|
7 |
| 2026-09-03 | Gubbi Vidyadhara K |
Chief of Global Operations |
Convert↓
Filing footnotes — Dividend Equivalent Rights (Direct)
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. |
Dividend Equivalent Rights
|
14 |