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Western Digital Corp Insider Trading
Every director, officer and 10% holder of Western Digital Corp has to report each trade in its stock within two business days of making it. This is those filings.
WDC on carbonthat →Insiders filing
15
150 reported lines
Open-market buys
0
Open-market sales
49
$15.8M
Net
$15.8M
sold more
Purchases and sales
Open-market trades only — the lines where someone chose to buy or sell at the going price.
| Insider | Action | Value |
|---|---|---|
| Cynthia L TregillisChief Legal Officer & Corp Sec2026-09-04432 shat $451.20 | Sale10b5-1 plan | $194.9K |
| Vidyadhara K GubbiChief of Global Operations2026-09-041.8K shat $459.87 | Sale | $825.5K |
| Stephanie A StreeterDirector2026-09-011.6K shat $455.00 | Sale | $728K |
| Stephanie A StreeterDirector2026-08-312K shat $447.06 | Sale | $894.1K |
| Stephanie A StreeterDirector2026-08-312K shat $448.58 | Sale | $897.2K |
| Cynthia L TregillisChief Legal Officer & Corp Sec2026-08-271K shat $478.36 | Sale10b5-1 plan | $481.7K |
| Cynthia L TregillisChief Legal Officer & Corp Sec2026-08-26476 shat $450.78 | Sale10b5-1 plan | $214.6K |
| Cynthia L TregillisChief Legal Officer & Corp Sec2026-08-24684 shat $446.17 | Sale10b5-1 plan | $305.2K |
| Cynthia L TregillisChief Legal Officer & Corp Sec2026-08-21235 shat $477.27 | Sale10b5-1 plan | $112.2K |
| Irving TanChief Executive Officer2026-08-112.5K shat $441.48 | Sale10b5-1 plan | $1.1M |
| Irving TanChief Executive Officer2026-08-11989 shat $442.22 | Sale10b5-1 plan | $437.4K |
| Irving TanChief Executive Officer2026-08-111.8K shat $443.35 | Sale10b5-1 plan | $815.8K |
| Irving TanChief Executive Officer2026-08-111.9K shat $444.67 | Sale10b5-1 plan | $836K |
| Irving TanChief Executive Officer2026-08-114.8K shat $445.45 | Sale10b5-1 plan | $2.1M |
| Irving TanChief Executive Officer2026-08-116.4K shat $446.38 | Sale10b5-1 plan | $2.9M |
| Irving TanChief Executive Officer2026-08-111.5K shat $447.18 | Sale10b5-1 plan | $691.3K |
| Martin I ColeDirector2026-07-28160 shat $462.30 | Sale10b5-1 plan | $74K |
| Martin I ColeDirector2026-07-2832 shat $465.12 | Sale10b5-1 plan | $14.9K |
| Martin I ColeDirector2026-07-2864 shat $424.05 | Sale10b5-1 plan | $27.1K |
| Martin I ColeDirector2026-07-2832 shat $425.31 | Sale10b5-1 plan | $13.6K |
| Martin I ColeDirector2026-07-2864 shat $426.45 | Sale10b5-1 plan | $27.3K |
| Martin I ColeDirector2026-07-28115 shat $428.08 | Sale10b5-1 plan | $49.2K |
| Martin I ColeDirector2026-07-2893 shat $429.12 | Sale10b5-1 plan | $39.9K |
| Martin I ColeDirector2026-07-28103 shat $430.45 | Sale10b5-1 plan | $44.3K |
| Martin I ColeDirector2026-07-28115 shat $431.41 | Sale10b5-1 plan | $49.6K |
| Martin I ColeDirector2026-07-2838 shat $432.20 | Sale10b5-1 plan | $16.4K |
| Martin I ColeDirector2026-07-28112 shat $433.84 | Sale10b5-1 plan | $48.6K |
| Martin I ColeDirector2026-07-2864 shat $434.81 | Sale10b5-1 plan | $27.8K |
| Martin I ColeDirector2026-07-2832 shat $435.59 | Sale10b5-1 plan | $13.9K |
| Martin I ColeDirector2026-07-28154 shat $436.89 | Sale10b5-1 plan | $67.3K |
| Martin I ColeDirector2026-07-28118 shat $438.08 | Sale10b5-1 plan | $51.7K |
| Martin I ColeDirector2026-07-2864 shat $439.38 | Sale10b5-1 plan | $28.1K |
| Martin I ColeDirector2026-07-2896 shat $440.96 | Sale10b5-1 plan | $42.3K |
| Martin I ColeDirector2026-07-2832 shat $442.47 | Sale10b5-1 plan | $14.2K |
| Martin I ColeDirector2026-07-2832 shat $444.51 | Sale10b5-1 plan | $14.2K |
| Martin I ColeDirector2026-07-2832 shat $447.10 | Sale10b5-1 plan | $14.3K |
| Martin I ColeDirector2026-07-2841 shat $448.46 | Sale10b5-1 plan | $18.4K |
| Martin I ColeDirector2026-07-2839 shat $449.42 | Sale10b5-1 plan | $17.5K |
| Martin I ColeDirector2026-07-2870 shat $451.30 | Sale10b5-1 plan | $31.6K |
| Martin I ColeDirector2026-07-28106 shat $452.12 | Sale10b5-1 plan | $47.9K |
| Martin I ColeDirector2026-07-28144 shat $453.27 | Sale10b5-1 plan | $65.3K |
| Martin I ColeDirector2026-07-28128 shat $454.44 | Sale10b5-1 plan | $58.2K |
| Martin I ColeDirector2026-07-28304 shat $455.55 | Sale10b5-1 plan | $138.5K |
| Martin I ColeDirector2026-07-28312 shat $456.52 | Sale10b5-1 plan | $142.4K |
| Martin I ColeDirector2026-07-28328 shat $457.45 | Sale10b5-1 plan | $150K |
| Martin I ColeDirector2026-07-28529 shat $458.96 | Sale10b5-1 plan | $242.8K |
| Martin I ColeDirector2026-07-28248 shat $459.97 | Sale10b5-1 plan | $114.1K |
| Martin I ColeDirector2026-07-28199 shat $461.23 | Sale10b5-1 plan | $91.8K |
| Cynthia L TregillisChief Legal Officer & Corp Sec2026-07-21808 shat $529.63 | Sale10b5-1 plan | $427.9K |
Source: SEC Form 4 filings, via EDGAR. A derivative line reports the shares underlying an option rather than stock outstanding, so it is marked and is not comparable with the rest. Value is shares times the reported price, and is blank where the filing priced the transaction at zero — a grant costs its recipient nothing. Insiders sell for reasons that have nothing to do with the company, which is why a sale is not read as a signal on its own.
More on WDC
Company overviewEverything on WDC in one place, with the price.SEC filingsWhat WDC's 8-Ks say happened: results, departures, auditor changes.Who owns itEvery manager reporting a position in WDC.Funds holding itWhich funds and ETFs hold WDC, and how big a bet.LobbyingWhat WDC spends lobbying Congress, and on what.Who lobbies for itThe lobbyists on WDC's account, and who they worked for.Federal contractsWhat federal agencies pay WDC.PatentsWhat WDC is filing at the patent office.
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