WESTERN DIGITAL CORP
Nasdaq · Computer Storage Devices
Company Overview
A concise company profile alongside the latest public filing activity.
Western Digital Corp designs and manufactures data storage products, including hard disk drives, solid-state drives, and flash memory devices, sold to computer makers, cloud data centers, and consumers under brands such as WD, SanDisk, and G-Technology.
Company profile sourced from SEC filings.
Corporate Insider Trades
Open-market purchases and sales by directors, officers, and other company insiders.
| Insider | Type | Value | Shares / Price | Date |
|---|---|---|---|---|
| Cole Martin IDirector | Sell | $17K | 43at $401.47 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $194K | 494at $393.22 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $96K | 243at $394.41 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $83K | 209at $395.30 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $126K | 317at $396.31 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $232K | 584at $397.48 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $288K | 723at $398.45 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $121K | 303at $399.36 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $35K | 88at $400.33 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $80K | 204at $390.04 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $151K | 385at $391.05 | Oct 29, 2026 |
| Cole Martin IDirector | Sell | $160K | 407at $392.42 | Oct 29, 2026 |
| Tregillis Cynthia LChief Legal Officer & Corp Sec | Sell | $307K | 807at $380.00 | Oct 21, 2026 |
| Tan IrvingChief Executive Officer | Sell | $1.09M | 2,478at $441.48 | Aug 11, 2026 |
| Tan IrvingChief Executive Officer | Sell | $836K | 1,880at $444.67 | Aug 11, 2026 |
| Tan IrvingChief Executive Officer | Sell | $816K | 1,840at $443.35 | Aug 11, 2026 |
| Tan IrvingChief Executive Officer | Sell | $691K | 1,546at $447.18 | Aug 11, 2026 |
| Tan IrvingChief Executive Officer | Sell | $437K | 989at $442.22 | Aug 11, 2026 |
| Tan IrvingChief Executive Officer | Sell | $2.15M | 4,822at $445.45 | Aug 11, 2026 |
| Tan IrvingChief Executive Officer | Sell | $2.88M | 6,445at $446.38 | Aug 11, 2026 |
Source: SEC EDGAR Form 4 filings
Congressional Trades
Recent disclosures by members of the U.S. House and Senate.
| Member | Chamber | Type | Amount | Date |
|---|---|---|---|---|
| Gilbert CisnerosCA31 | House | Sell | $1,001 - $15,000 | Sep 18, 2026 |
| Gilbert CisnerosCA31 | House | Buy | $1,001 - $15,000 | Jul 17, 2026 |
| Alan ArmstrongArmstrong, Alan (Senator) | Senate | Buy | $1,001 - $15,000 | Mar 27, 2026 |
Source: Senate eFD and House Clerk STOCK Act disclosures
Get notable WDC activity by email
Free alerts for the insider and congressional trades worth watching.
For informational purposes only, not investment advice. Filings can be delayed, corrected, or amended. Trading activity alone does not predict future performance.