Form 4 Tracker
WESTERN DIGITAL CORP
WDC

109 insider filings · Latest: Sep 17, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 4, 2026May 4 8:48 PMVIDYADHARA K GUBBI
Proposed Sale
4,674$443.19$2.1M—

View →

May 1, 2026May 1 8:03 PMIRVING TAN
Proposed Sale
20,000$411.84$8.2M—

View →

Apr 21, 2026Apr 22 11:28 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
363$377.09$136.9K120,023(D)

View →

Apr 21, 2026Apr 21 8:03 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
363$377.09$136.9K—

View →

Mar 6, 2026Mar 10 9:44 PMVidyadhara K GubbiChief of Global Operations
Sale
8,518$255.33$2.2M99,276(D)

View →

Mar 6, 2026Mar 6 9:10 PMVIDYADHARA K GUBBI
Proposed Sale
8,518$255.33$2.2M—

View →

Mar 4, 2026Mar 6 12:55 AMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
9,324$268.27$2.5M121,682(D)

View →

Mar 4, 2026Mar 6 12:54 AMVidyadhara K GubbiChief of Global Operations
Sale
10,148$270.31$2.7M107,794(D)

View →

Mar 4, 2026Mar 4 9:52 PMVIDYADHARA K GUBBI
Proposed Sale
10,148$270.31$2.7M—

View →

Mar 4, 2026Mar 4 9:05 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
8,547$269.22$2.3M—

View →

Mar 4, 2026Mar 4 9:04 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
777$257.91$200.4K—

View →

Mar 2, 2026Mar 4 12:05 AMMartin I ColeDirector
Sale
6,000$271.67$1.6M29,433(D)

View →

Mar 2, 2026Mar 2 9:07 PMMartin I Cole
Proposed Sale
6,000$282.25$1.7M—

View →

Feb 26, 2026Feb 27 9:57 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
214$286.11$61.2K133,781(D)

View →

Feb 26, 2026Feb 26 9:08 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
214$286.11$61.2K—

View →

Feb 24, 2026Feb 24 10:44 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
308$281.70$86.8K134,759(D)

View →

Feb 23, 2026Feb 24 10:44 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
130$283.83$36.9K135,067(D)

View →

Feb 24, 2026Feb 24 9:01 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
308$281.70$86.8K—

View →

Feb 23, 2026Feb 23 9:31 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
130$283.83$36.9K—

View →

Feb 17, 2026Feb 19 10:25 PMBrian Scott DavisChief Sales & Mrktng Officer
Sale
10,000$279.16$2.8M121,792(D)

View →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 18, 2026Mar 19 10:44 PMStephanie A StreeterDirector
Grant/Award
0.65—1.782(D)

View →

Mar 18, 2026Mar 19 10:44 PMKris SennesaelChief Financial Officer
Grant/Award
69.481—578.09(D)

View →

Mar 18, 2026Mar 19 10:44 PMRoxanne OulmanDirector
Grant/Award
0.65—1.782(D)

View →

Mar 18, 2026Mar 19 10:42 PMMatthew E MassengillDirector
Grant/Award
11.885—104.737(D)

View →

Mar 18, 2026Mar 19 10:42 PMBruce E KiddooDirector
Grant/Award
0.65—1.782(D)

View →

Mar 18, 2026Mar 19 10:42 PMVidyadhara K GubbiChief of Global Operations
Grant/Award
34.658—289.684(D)

View →

Mar 18, 2026Mar 19 10:42 PMBrad FellerSVP & Chief Accounting Officer
Grant/Award
4.065—11.141(D)

View →

Mar 18, 2026Mar 19 10:41 PMTunc DolucaDirector
Grant/Award
0.65—1.782(D)

View →

Mar 18, 2026Mar 19 10:41 PMBrian Scott DavisChief Sales & Mrktng Officer
Grant/Award
26.163—217.425(D)

View →

Mar 18, 2026Mar 19 10:41 PMMartin I ColeDirector
Grant/Award
0.786—2.154(D)

View →

Mar 18, 2026Mar 19 10:41 PMKimberly AlexyDirector
Grant/Award
0.65—1.782(D)

View →

Mar 18, 2026Mar 19 9:38 PMAhmed Mohammed ShihabChief Product Officer
Grant/Award
75.765—450.847(D)

View →

Mar 17, 2026Mar 19 9:38 PMAhmed Mohammed ShihabChief Product Officer
Option Exercise
196.557—375.082(D)

View →

Mar 3, 2026Mar 6 12:55 AMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
23.813—304.413(D)

View →

Mar 3, 2026Mar 6 12:54 AMIrving TanDirector, Chief Executive Officer
Option Exercise
92.869—875.613(D)

View →

Mar 3, 2026Mar 6 12:54 AMVidyadhara K GubbiChief of Global Operations
Option Exercise
47.627—255.026(D)

View →

Mar 3, 2026Mar 6 12:54 AMBrian Scott DavisChief Sales & Mrktng Officer
Option Exercise
23.813—191.262(D)

View →

Feb 25, 2026Feb 27 9:57 PMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
6.562—328.226(D)

View →

Feb 25, 2026Feb 27 9:57 PMIrving TanDirector, Chief Executive Officer
Option Exercise
27.017—968.482(D)

View →

Feb 25, 2026Feb 27 9:57 PMVidyadhara K GubbiChief of Global Operations
Option Exercise
7.724—302.652(D)

View →