Tregillis Cynthia L - Insider Transactions

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Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Mar 03 '26	Option Exercise	0.00	23	0	133,804	Mar 05 07:55 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Mar 04 '26	Sale	268.27	9,324	2,501,382	121,682	Mar 05 07:55 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Mar 04 '26	Proposed Sale	269.22	8,547	2,300,986		Mar 04 04:05 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Mar 04 '26	Proposed Sale	257.91	777	200,396		Mar 04 04:04 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 25 '26	Option Exercise	0.00	6	0	134,765	Feb 27 04:57 PM

WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 26 '26	Sale	286.11	214	61,228	133,781	Feb 27 04:57 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Feb 26 '26	Proposed Sale	286.11	214	61,228		Feb 26 04:08 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 20 '26	Option Exercise	0.00	3	0	136,541	Feb 24 05:44 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 21 '26	Option Exercise	0.00	9	0	136,306	Feb 24 05:44 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 23 '26	Sale	283.83	130	36,898	135,067	Feb 24 05:44 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 24 '26	Sale	281.70	308	86,764	134,759	Feb 24 05:44 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Feb 24 '26	Proposed Sale	281.70	308	86,764		Feb 24 04:01 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Feb 23 '26	Proposed Sale	283.83	130	36,898		Feb 23 04:31 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Feb 06 '26	Sale	270.49	6,780	1,833,922	136,538	Feb 06 06:09 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Feb 06 '26	Proposed Sale	270.49	6,780	1,833,922		Feb 06 04:02 PM

WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Jan 20 '26	Option Exercise	0.00	11	0	144,607	Jan 21 05:14 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Jan 21 '26	Sale	229.00	447	102,363	143,318	Jan 21 05:14 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Jan 21 '26	Proposed Sale	229.00	447	102,363		Jan 21 04:01 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Dec 02 '25	Sale	160.57	2,801	449,752	144,596	Dec 03 06:13 PM
WDC	Cynthia LOCK TREGILLIS	Officer	Dec 02 '25	Proposed Sale	160.57	2,801	449,752		Dec 02 04:05 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Nov 25 '25	Option Exercise	0.00	5	0	148,102	Nov 26 04:36 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Nov 20 '25	Option Exercise	0.00	2	0	149,577	Nov 24 05:45 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Nov 21 '25	Option Exercise	0.00	7	0	149,205	Nov 24 05:45 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Oct 20 '25	Option Exercise	0.00	8	0	150,882	Oct 21 06:36 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Aug 27 '25	Option Exercise	0.00	1	0	151,140	Aug 28 06:26 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Aug 25 '25	Option Exercise	0.00	3	0	135,354	Aug 27 05:47 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Aug 21 '25	Option Exercise	0.00	18	0	153,846	Aug 25 06:47 PM
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Aug 22 '25	Sale	74.78	14,067	1,051,930	135,351	Aug 25 06:47 PM
WDC	CYNTHIA LOCK TREGILLIS	Officer	Aug 22 '25	Proposed Sale	74.78	14,067	1,051,930		Aug 22 04:02 PM
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Aug 20 '25	Option Exercise	0.00	10	0	156,393	Aug 21 06:34 PM

WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Jul 20 '25	Option Exercise	0.00	5	0	157,689	Jul 22 05:27 PM

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Tregillis Cynthia L - Insider Transactions

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