Form 4 Tracker
WESTERN DIGITAL CORP
WDC

78 insider filings · Latest: Aug 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 11, 2026Aug 13 1:24 AMIrving TanDirector, Chief Executive Officer
Sale
20,000$444.97$8.9M575,966(D)

View →

Aug 11, 2026Aug 11 8:12 PMIRVING TAN
Proposed Sale
20,000$444.97$8.9M

View →

Jul 28, 2026Jul 29 11:32 PMMartin I ColeDirector
Sale
192$462.77$88.9K21,433(D)

View →

Jul 28, 2026Jul 29 11:31 PMMartin I ColeDirector
Sale
3,808$448.66$1.7M21,625(D)

View →

Jul 21, 2026Jul 22 12:56 AMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
808$529.63$427.9K114,539(D)

View →

Jul 21, 2026Jul 21 8:02 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
808$529.63$427.9K

View →

Jun 9, 2026Jun 11 9:50 PMMartin I ColeDirector
Sale
720$536.01$385.9K25,433(D)

View →

Jun 9, 2026Jun 11 9:47 PMMartin I ColeDirector
Sale
3,280$511.16$1.7M26,153(D)

View →

Jun 9, 2026Jun 9 9:17 PMMartin I Cole
Proposed Sale
8,000$526.93$4.2M

View →

Jun 5, 2026Jun 5 10:58 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
432$545.60$235.7K116,643(D)

View →

Jun 5, 2026Jun 5 8:07 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
432$545.60$235.7K

View →

Jun 1, 2026Jun 2 9:17 PMVidyadhara K GubbiChief of Global Operations
Sale
2,475$556.24$1.4M85,154(D)

View →

Jun 1, 2026Jun 1 8:14 PMVIDYADHARA K GUBBI
Proposed Sale
2,475$556.24$1.4M

View →

May 28, 2026May 29 10:13 PMBruce E KiddooDirector
Sale
750$528.52$396.4K3,903(D)

View →

May 28, 2026May 28 10:05 PMKIDDOO FAMILY TRUST U/A DTD 02/07/2012
Proposed Sale
750$528.52$396.4K

View →

May 27, 2026May 27 10:41 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
214$539.63$115.5K117,157(D)

View →

May 22, 2026May 27 10:41 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
308$488.61$150.5K118,135(D)

View →

May 27, 2026May 27 8:04 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
214$539.63$115.5K

View →

May 21, 2026May 22 11:24 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
106$458.87$48.6K118,443(D)

View →

May 22, 2026May 22 8:26 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
308$488.61$150.5K

View →

Page 1 of 5

Next →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 20, 2026Jul 22 12:56 AMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
13.197309.804(D)

View →

Jun 17, 2026Jun 23 1:16 AMCynthia L TregillisChief Legal Officer & Corp Sec
Grant/Award
18.638323.001(D)

View →

Jun 20, 2026Jun 23 1:16 AMIrving TanDirector, Chief Executive Officer
Option Exercise
52.111886.663(D)

View →

Jun 17, 2026Jun 23 1:16 AMIrving TanDirector, Chief Executive Officer
Grant/Award
56.501938.774(D)

View →

Jun 17, 2026Jun 23 1:16 AMStephanie A StreeterDirector
Grant/Award
0.3342.117(D)

View →

Jun 17, 2026Jun 23 1:16 AMAhmed Mohammed ShihabChief Product Officer
Grant/Award
27.918426.868(D)

View →

Jun 17, 2026Jun 23 1:16 AMAhmed Mohammed ShihabChief Product Officer
Option Exercise
51.896398.95(D)

View →

Jun 17, 2026Jun 23 1:16 AMKris SennesaelChief Financial Officer
Grant/Award
27.768464.204(D)

View →

Jun 17, 2026Jun 23 1:16 AMRoxanne OulmanDirector
Grant/Award
0.3342.117(D)

View →

Jun 17, 2026Jun 23 1:16 AMMatthew E MassengillDirector
Grant/Award
6.109110.846(D)

View →

Jun 17, 2026Jun 23 1:16 AMBruce E KiddooDirector
Grant/Award
0.3342.117(D)

View →

Jun 17, 2026Jun 23 1:15 AMVidyadhara K GubbiChief of Global Operations
Grant/Award
14.079237.161(D)

View →

Jun 17, 2026Jun 23 1:15 AMBrad FellerSVP & Chief Accounting Officer
Grant/Award
2.08913.23(D)

View →

Jun 17, 2026Jun 23 1:15 AMTunc DolucaDirector
Grant/Award
0.3342.117(D)

View →

Jun 20, 2026Jun 23 1:15 AMBrian Scott DavisChief Sales & Mrktng Officer
Option Exercise
7.695190.16(D)

View →

Jun 17, 2026Jun 23 1:15 AMBrian Scott DavisChief Sales & Mrktng Officer
Grant/Award
11.695197.856(D)

View →

Jun 17, 2026Jun 23 1:15 AMManuvir DasDirector
Grant/Award
0.1630.163(D)

View →

Jun 17, 2026Jun 23 1:15 AMMartin I ColeDirector
Grant/Award
0.4042.557(D)

View →

Jun 17, 2026Jun 23 1:15 AMKimberly AlexyDirector
Grant/Award
0.3342.117(D)

View →

Jun 3, 2026Jun 5 10:58 PMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
6.683304.364(D)

View →

Page 1 of 4

Next →