Western Digital Corp. (WDC) Insider Trading
Directors, officers and holders of more than 10% of WDC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 773 transactions on file: 0 with code P, 15 with code S and 35 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 243 | $394.41 | $95,842 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 88 | $400.33 | $35,229 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 407 | $392.42 | $159,714 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 317 | $396.31 | $125,631 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 303 | $399.36 | $121,005 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 494 | $393.22 | $194,250 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 385 | $391.05 | $150,553 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 43 | $401.47 | $17,263 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 723 | $398.45 | $288,079 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 584 | $397.48 | $232,128 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 209 | $395.30 | $82,619 |
| Oct 29, 2026 | Cole Martin I | Director | S Sale | 204 | $390.04 | $79,568 |
| Oct 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | S Sale | 807 | $380.00 | $306,660 |
| Oct 20, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | F Tax Payment | 1,310 | $364.32 | $477,155 |
| Oct 20, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | M Exercise | 14 | Not measured | Not measured |
| Oct 20, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | M Exercise | 14 | Not measured | Not measured |
| Sep 20, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | F Tax Payment | 963 | $441.36 | $425,045 |
| Sep 20, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | M Exercise | 8 | Not measured | Not measured |
| Sep 20, 2026 | Tan Irving | Chief Executive Officer | M Exercise | 57 | Not measured | Not measured |
| Sep 20, 2026 | Tan Irving | Chief Executive Officer | F Tax Payment | 1,091 | $441.36 | $481,539 |
| Sep 20, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | M Exercise | 8 | Not measured | Not measured |
| Sep 20, 2026 | Tan Irving | Chief Executive Officer | M Exercise | 57 | Not measured | Not measured |
| Sep 17, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | F Tax Payment | 5,150 | $423.87 | $2,182,931 |
| Sep 17, 2026 | Oulman Roxanne | Director | A Award | 1 | Not measured | Not measured |
| Sep 17, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | A Award | 42 | Not measured | Not measured |
| Sep 17, 2026 | Alexy Kimberly | Director | A Award | 1 | Not measured | Not measured |
| Sep 17, 2026 | Sennesael Kris | Chief Financial Officer | A Award | 47 | Not measured | Not measured |
| Sep 17, 2026 | Cole Martin I | Director | A Award | 1 | Not measured | Not measured |
| Sep 17, 2026 | DOLUCA TUNC | Director | A Award | 1 | Not measured | Not measured |
| Sep 17, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | A Award | 17 | Not measured | Not measured |
| Sep 17, 2026 | Tan Irving | Chief Executive Officer | A Award | 83 | Not measured | Not measured |
| Sep 17, 2026 | STREETER STEPHANIE A | Director | A Award | 1 | Not measured | Not measured |
| Sep 17, 2026 | Feller Brad | SVP, Global Accounting & Chief | A Award | 4 | Not measured | Not measured |
| Sep 17, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | A Award | 21 | Not measured | Not measured |
| Sep 17, 2026 | KIDDOO BRUCE E | Director | A Award | 1 | Not measured | Not measured |
| Sep 17, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | M Exercise | 57 | Not measured | Not measured |
| Sep 17, 2026 | MASSENGILL MATTHEW E | Director | A Award | 10 | Not measured | Not measured |
| Sep 17, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | M Exercise | 56 | Not measured | Not measured |
| Sep 17, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | A Award | 27 | Not measured | Not measured |
| Sep 17, 2026 | Das Manuvir | Director | A Award | 0 | Not measured | Not measured |
| Sep 4, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | S Sale | 1,795 | $459.87 | $825,472 |
| Sep 4, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | S Sale | 432 | $451.20 | $194,918 |
| Sep 3, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | M Exercise | 7 | Not measured | Not measured |
| Sep 3, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | M Exercise | 14 | Not measured | Not measured |
| Sep 3, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | M Exercise | 7 | Not measured | Not measured |
| Sep 3, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | F Tax Payment | 1,764 | $441.57 | $778,929 |
| Sep 3, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | F Tax Payment | 882 | $441.57 | $389,465 |
| Sep 3, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | M Exercise | 7 | Not measured | Not measured |
| Sep 3, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | M Exercise | 7 | Not measured | Not measured |
| Sep 3, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | F Tax Payment | 700 | $441.57 | $309,099 |
The full Form 4 history is on the WDC company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.