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Insider Transactions by Cynthia L. Tregillis


Symbol CompanyOwnerRelationshipDateTransactionCost# SharesValue ($)Total SharesFiling
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJul 21, 2026Sale$529.63808427,941114,539Jul 21, 2026, 08:56 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJul 20, 2026Tax Payment (Shares)$487.421,309638,033115,347Jul 21, 2026, 08:56 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJul 20, 2026Option/RSU Exercise-13-116,656Jul 21, 2026, 08:56 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJun 03, 2026Tax Payment (Shares)$594.11699415,283117,075Jun 05, 2026, 06:58 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJun 03, 2026Option/RSU Exercise-6-117,774Jun 05, 2026, 06:58 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJun 05, 2026Sale$545.60432235,699116,643Jun 05, 2026, 06:58 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 22, 2026Sale$488.61308150,492118,135May 27, 2026, 06:41 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 25, 2026Tax Payment (Shares)$484.28771373,380117,371May 27, 2026, 06:41 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 25, 2026Option/RSU Exercise-7-118,142May 27, 2026, 06:41 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 27, 2026Sale$539.63214115,481117,157May 27, 2026, 06:41 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 21, 2026Sale$458.8710648,640118,443May 22, 2026, 07:24 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 20, 2026Tax Payment (Shares)$459.62379174,196119,647May 22, 2026, 07:24 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 20, 2026Option/RSU Exercise-3-120,026May 22, 2026, 07:24 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 21, 2026Tax Payment (Shares)$486.461,108538,998118,549May 22, 2026, 07:24 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMay 21, 2026Option/RSU Exercise-10-119,657May 22, 2026, 07:24 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecApr 21, 2026Sale$377.09363136,884120,023Apr 22, 2026, 07:28 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecApr 20, 2026Tax Payment (Shares)$374.111,308489,336120,386Apr 22, 2026, 07:28 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecApr 20, 2026Option/RSU Exercise-12-121,694Apr 22, 2026, 07:28 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMar 03, 2026Tax Payment (Shares)$250.612,798701,207131,006Mar 05, 2026, 07:55 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMar 03, 2026Option/RSU Exercise-23-133,804Mar 05, 2026, 07:55 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecMar 04, 2026Sale$268.279,3242,501,382130,229Mar 05, 2026, 07:55 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 26, 2026Sale$286.1121461,228133,781Feb 27, 2026, 04:57 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 25, 2026Tax Payment (Shares)$290.95770224,032133,995Feb 27, 2026, 04:57 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 25, 2026Option/RSU Exercise-6-134,765Feb 27, 2026, 04:57 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 21, 2026Option/RSU Exercise-9-136,306Feb 24, 2026, 05:44 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 23, 2026Sale$283.8313036,898135,067Feb 24, 2026, 05:44 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 24, 2026Sale$281.7030886,764134,759Feb 24, 2026, 05:44 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 20, 2026Tax Payment (Shares)$285.5224469,667136,297Feb 24, 2026, 05:44 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 20, 2026Option/RSU Exercise-3-136,541Feb 24, 2026, 05:44 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 21, 2026Tax Payment (Shares)$285.521,109316,642135,197Feb 24, 2026, 05:44 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecFeb 06, 2026Sale$270.496,7801,833,922136,538Feb 06, 2026, 06:09 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJan 21, 2026Sale$229.00447102,363143,318Jan 21, 2026, 05:14 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJan 20, 2026Tax Payment (Shares)$222.97842187,741143,765Jan 21, 2026, 05:14 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecJan 20, 2026Option/RSU Exercise-11-144,607Jan 21, 2026, 05:14 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecDec 02, 2025Sale$160.572,801449,752144,596Dec 03, 2025, 06:13 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecNov 25, 2025Tax Payment (Shares)$155.41770119,666147,332Nov 26, 2025, 04:36 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecNov 25, 2025Option/RSU Exercise-5-148,102Nov 26, 2025, 04:36 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecNov 21, 2025Option/RSU Exercise-7-149,205Nov 24, 2025, 05:45 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecNov 20, 2025Tax Payment (Shares)$140.2337953,147149,198Nov 24, 2025, 05:45 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecNov 20, 2025Option/RSU Exercise-2-149,577Nov 24, 2025, 05:45 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecNov 21, 2025Tax Payment (Shares)$139.191,108154,223148,097Nov 24, 2025, 05:45 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecOct 20, 2025Tax Payment (Shares)$121.531,307158,840149,575Oct 21, 2025, 06:36 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecOct 20, 2025Option/RSU Exercise-8-150,882Oct 21, 2025, 06:36 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 27, 2025Tax Payment (Shares)$80.6726621,458150,874Aug 28, 2025, 06:26 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 27, 2025Option/RSU Exercise-1-151,140Aug 28, 2025, 06:26 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 25, 2025Tax Payment (Shares)$79.2276960,920134,585Aug 27, 2025, 05:47 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 25, 2025Option/RSU Exercise-3-135,354Aug 27, 2025, 05:47 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 22, 2025Sale$74.7814,0671,051,930135,351Aug 25, 2025, 06:47 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 21, 2025Tax Payment (Shares)$74.664,428330,594149,418Aug 25, 2025, 06:47 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisChief Legal Officer & Corp SecAug 21, 2025Option/RSU Exercise-18-153,846Aug 25, 2025, 06:47 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Aug 20, 2025Tax Payment (Shares)$75.642,565194,017153,828Aug 21, 2025, 06:34 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Aug 20, 2025Option/RSU Exercise-10-156,393Aug 21, 2025, 06:34 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Jul 20, 2025Tax Payment (Shares)$68.001,30688,808156,383Jul 22, 2025, 05:27 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Jul 20, 2025Option/RSU Exercise-5-157,689Jul 22, 2025, 05:27 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Jun 20, 2025Tax Payment (Shares)$59.2920412,095157,684Jun 23, 2025, 06:12 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.May 25, 2025Tax Payment (Shares)$50.1876838,538157,928May 28, 2025, 04:50 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.May 27, 2025Tax Payment (Shares)$51.8226713,836157,661May 28, 2025, 04:50 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.May 20, 2025Tax Payment (Shares)$50.6337919,189158,696May 22, 2025, 04:57 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Apr 20, 2025Tax Payment (Shares)$36.511,17242,790159,075Apr 22, 2025, 06:07 PM
WDCWESTERN DIGITAL CORPCynthia L. TregillisCLO and Corp. Sec.Mar 06, 2025Tax Payment (Shares)$41.4587536,269160,247Mar 10, 2025, 06:11 PM

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