Arbo · 13F Signal Engine

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 504 transactions

Table I (non-derivative) transactions only -- common stock bought, sold, awarded, exercised, or tax-withheld. Covers this app's full ticker Universe (backfilled INSIDER_LOOKBACK_QUARTERS quarters back, continuously monitored) plus whatever the market-wide discovery has found beyond it. Informational only: never summed into the core flow ranking.

Ticker	Insider	Role	Type	Date	Shares	Price	Value	Notes	Filing
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-09-20	8	—	—	Acquired (100,454 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-09-20	56	—	—	Acquired (266,703 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-09-20	963	$441.36	$425,030	Disposed (99,491 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-09-20	1,091	$441.36	$481,524	Disposed (265,612 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Option exercise	2026-09-17	56	—	—	Acquired (163,758 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Tax withholding	2026-09-17	5,150	$423.87	$2,182,930	Disposed (158,608 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2026-09-04	1,795	$459.87	$825,472	Disposed (80,571 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-09-04	432	$451.20	$194,918	Disposed (111,030 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-09-03	7	—	—	Acquired (101,328 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-09-03	1,764	$441.57	$778,929	Disposed (82,366 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-09-03	700	$441.57	$309,099	Disposed (111,462 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-09-03	14	—	—	Acquired (84,130 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-09-03	7	—	—	Acquired (112,162 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-09-03	882	$441.57	$389,465	Disposed (100,446 owned after)	EDGAR
WDC	STREETER STEPHANIE A	Director	Sale	2026-09-01	1,600	$455.00	$728,000	Disposed (34,807 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Gift	2026-09-01	112,500	—	—	Disposed (0 owned after)	EDGAR
WDC	STREETER STEPHANIE A	Director	Sale	2026-08-31	2,000	$447.06	$894,120	Disposed (38,407 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	J	2026-08-31	112,500	—	—	Disposed (266,647 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-08-27	1,007	$478.36	$481,709	Disposed (112,155 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Option exercise	2026-08-26	15	—	—	Acquired (166,443 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Option exercise	2026-08-26	19	—	—	Acquired (178,026 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Tax withholding	2026-08-26	4,317	$468.88	$2,024,155	Disposed (173,709 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-08-26	9	—	—	Acquired (86,172 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-08-26	2,056	$468.88	$964,017	Disposed (84,116 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-08-26	7	—	—	Acquired (102,965 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-08-26	1,644	$468.88	$770,839	Disposed (101,321 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-08-26	476	$450.78	$214,571	Disposed (114,784 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-08-26	9	—	—	Acquired (114,793 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-08-26	1,631	$468.88	$764,743	Disposed (113,162 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-08-26	42	—	—	Acquired (382,461 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-08-26	3,314	$468.88	$1,553,868	Disposed (379,147 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Tax withholding	2026-08-26	2,741	$468.88	$1,285,200	Disposed (163,702 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-08-25	9	—	—	Acquired (82,135 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-08-25	7	—	—	Acquired (112,153 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-08-25	771	$450.75	$347,528	Disposed (111,382 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Award 10b5-1	2026-08-25	3,878	—	—	Acquired (115,260 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-08-25	32	—	—	Acquired (366,347 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-08-25	476	$450.75	$214,557	Disposed (365,871 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Award	2026-08-25	16,548	—	—	Acquired (382,419 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Award	2026-08-25	6,722	—	—	Acquired (166,428 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Award	2026-08-25	8,274	—	—	Acquired (178,007 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-08-25	1,143	$450.75	$515,207	Disposed (80,992 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Award	2026-08-25	5,171	—	—	Acquired (86,163 owned after)	EDGAR
WDC	Feller Brad	SVP & Chief Accounting Officer	Award	2026-08-25	2,068	—	—	Acquired (12,043 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-08-25	7	—	—	Acquired (100,310 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-08-25	971	$450.75	$437,678	Disposed (99,339 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Award	2026-08-25	3,619	—	—	Acquired (102,958 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-08-24	684	$446.17	$305,180	Disposed (112,146 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-08-21	593	$459.44	$272,448	Disposed (100,303 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-08-21	4	—	—	Acquired (100,896 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-08-21	694	$459.44	$318,851	Disposed (82,126 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-08-21	5	—	—	Acquired (82,820 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-08-21	545	$459.44	$250,395	Disposed (575,315 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-08-21	25	—	—	Acquired (575,860 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-08-21	235	$477.27	$112,158	Disposed (113,928 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-08-21	11	—	—	Acquired (113,939 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-08-21	1,109	$459.44	$509,519	Disposed (112,830 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-08-20	13	—	—	Acquired (575,979 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-08-20	3	—	—	Acquired (114,542 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-08-20	144	$469.05	$67,543	Disposed (575,835 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-08-20	592	$469.05	$277,678	Disposed (82,815 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-08-20	4	—	—	Acquired (83,407 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-08-20	379	$469.05	$177,770	Disposed (114,163 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-08-20	5	—	—	Acquired (101,608 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-08-20	716	$469.05	$335,840	Disposed (100,892 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	1,546	$447.18	$691,345	Disposed (575,966 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	2,478	$441.48	$1,093,997	Disposed (593,488 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	989	$442.22	$437,351	Disposed (592,499 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	6,445	$446.38	$2,876,927	Disposed (577,512 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	4,822	$445.45	$2,147,964	Disposed (583,957 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	1,880	$444.67	$835,988	Disposed (588,779 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-08-11	1,840	$443.35	$815,758	Disposed (590,659 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	144	$453.27	$65,271	Disposed (23,673 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	70	$451.30	$31,591	Disposed (23,923 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	39	$449.42	$17,527	Disposed (23,993 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	41	$448.46	$18,387	Disposed (24,032 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	96	$440.96	$42,332	Disposed (24,169 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	118	$438.08	$51,694	Disposed (24,329 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	154	$436.89	$67,282	Disposed (24,447 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	112	$433.84	$48,590	Disposed (24,697 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	38	$432.20	$16,424	Disposed (24,809 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	103	$430.45	$44,336	Disposed (24,962 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	93	$429.12	$39,908	Disposed (25,065 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	115	$428.08	$49,230	Disposed (25,158 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	32	$425.31	$13,610	Disposed (25,337 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	64	$424.05	$27,139	Disposed (25,369 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	199	$461.23	$91,786	Disposed (21,625 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	160	$462.30	$73,968	Disposed (21,465 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	248	$459.97	$114,073	Disposed (21,824 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	529	$458.96	$242,788	Disposed (22,072 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	328	$457.45	$150,043	Disposed (22,601 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	312	$456.52	$142,433	Disposed (22,929 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	304	$455.55	$138,486	Disposed (23,241 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	128	$454.44	$58,169	Disposed (23,545 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-07-28	106	$452.12	$47,925	Disposed (23,817 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-07-21	808	$529.63	$427,941	Disposed (114,539 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-07-20	1,309	$487.42	$638,033	Disposed (115,347 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-07-20	13	—	—	Acquired (116,656 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-06-20	1,090	$746.23	$813,391	Disposed (595,966 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-06-20	52	—	—	Acquired (597,056 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-06-20	961	$746.23	$717,127	Disposed (101,603 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-06-20	7	—	—	Acquired (102,564 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Option exercise	2026-06-17	51	—	—	Acquired (164,855 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Tax withholding	2026-06-17	5,149	$712.13	$3,666,757	Disposed (159,706 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	296	$514.09	$152,172	Disposed (27,305 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	48	$484.28	$23,246	Disposed (29,385 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	16	$485.54	$7,769	Disposed (29,369 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	38	$491.06	$18,660	Disposed (29,267 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	30	$492.38	$14,771	Disposed (29,237 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	44	$493.64	$21,720	Disposed (29,193 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	32	$494.62	$15,828	Disposed (29,161 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	64	$501.72	$32,110	Disposed (28,985 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	128	$502.87	$64,367	Disposed (28,857 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	80	$503.80	$40,304	Disposed (28,777 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	96	$505.51	$48,529	Disposed (28,681 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	326	$510.61	$166,459	Disposed (28,227 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	310	$511.67	$158,616	Disposed (27,917 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	316	$513.14	$162,154	Disposed (27,601 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	392	$515.40	$202,036	Disposed (26,913 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	112	$516.72	$57,872	Disposed (26,801 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	216	$517.59	$111,799	Disposed (26,585 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	160	$521.14	$83,382	Disposed (26,377 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	71	$537.73	$38,179	Disposed (25,650 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-06-09	57	$538.81	$30,712	Disposed (25,593 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-06-05	432	$545.60	$235,699	Disposed (116,643 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-06-03	6	—	—	Acquired (103,438 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-06-03	13	—	—	Acquired (85,167 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-06-03	1,764	$594.11	$1,048,010	Disposed (83,403 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-06-03	881	$594.11	$523,411	Disposed (102,557 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-06-03	699	$594.11	$415,283	Disposed (117,075 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-06-03	6	—	—	Acquired (117,774 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2026-06-01	2,475	$556.24	$1,376,694	Disposed (85,154 owned after)	EDGAR
WDC	KIDDOO BRUCE E	Director	Sale	2026-05-28	750	$528.52	$396,390	Disposed (3,903 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-05-27	214	$539.63	$115,481	Disposed (117,157 owned after)	EDGAR
WDC	Das Manuvir	Director	Award	2026-05-26	772	—	—	Acquired (772 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-05-25	7	—	—	Acquired (104,271 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-05-25	771	$484.28	$373,380	Disposed (117,371 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-05-25	7	—	—	Acquired (118,142 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-05-25	971	$484.28	$470,236	Disposed (103,300 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-05-25	30	—	—	Acquired (597,483 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-05-25	479	$484.28	$231,970	Disposed (597,004 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-05-25	1,143	$484.28	$553,532	Disposed (87,629 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-05-25	8	—	—	Acquired (88,772 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-05-22	308	$488.61	$150,492	Disposed (118,135 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-05-21	4	—	—	Acquired (104,857 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-05-21	106	$458.87	$48,640	Disposed (118,443 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-05-21	1,108	$486.46	$538,998	Disposed (118,549 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-05-21	10	—	—	Acquired (119,657 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-05-21	693	$486.46	$337,117	Disposed (88,764 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-05-21	23	—	—	Acquired (598,040 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-05-21	587	$486.46	$285,552	Disposed (597,453 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-05-21	5	—	—	Acquired (89,457 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-05-21	593	$486.46	$288,471	Disposed (104,264 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-05-20	12	—	—	Acquired (598,162 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-05-20	145	$459.62	$66,645	Disposed (598,017 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-05-20	4	—	—	Acquired (90,045 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-05-20	3	—	—	Acquired (120,026 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-05-20	593	$459.62	$272,555	Disposed (89,452 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-05-20	5	—	—	Acquired (105,569 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Tax withholding	2026-05-20	18,374	$459.62	$8,445,058	Disposed (169,733 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Option exercise	2026-05-20	141	—	—	Acquired (188,107 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-05-20	716	$459.62	$329,088	Disposed (104,853 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-05-20	379	$459.62	$174,196	Disposed (119,647 owned after)	EDGAR
WDC	KIDDOO BRUCE E	Director	Gift	2026-05-15	100	—	—	Disposed (4,653 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	301	$510.00	$153,510	Disposed (105,564 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	562	$505.25	$283,949	Disposed (107,019 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	401	$499.02	$200,109	Disposed (112,781 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	386	$506.92	$195,670	Disposed (106,633 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	17	$507.68	$8,631	Disposed (106,616 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	1,675	$489.78	$820,379	Disposed (113,889 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	107	$490.49	$52,482	Disposed (113,782 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	120	$491.13	$58,936	Disposed (113,662 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	160	$493.33	$78,933	Disposed (113,502 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	40	$495.97	$19,839	Disposed (113,342 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	751	$509.18	$382,391	Disposed (105,865 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	996	$500.18	$498,181	Disposed (111,785 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	966	$501.44	$484,394	Disposed (110,819 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	745	$502.49	$374,355	Disposed (110,074 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	876	$503.57	$441,126	Disposed (109,198 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-05-11	1,617	$504.10	$815,133	Disposed (107,581 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2026-05-04	4,674	$443.19	$2,071,447	Disposed (90,041 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	546	$409.63	$223,657	Disposed (613,251 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	435	$415.02	$180,532	Disposed (598,150 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	680	$411.87	$280,068	Disposed (611,651 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	920	$410.76	$377,898	Disposed (612,331 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	584	$408.23	$238,408	Disposed (613,797 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	3,257	$406.52	$1,324,037	Disposed (614,893 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	512	$407.32	$208,547	Disposed (614,381 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	7,355	$413.92	$3,044,376	Disposed (598,585 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-05-01	5,711	$413.12	$2,359,341	Disposed (605,940 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-04-21	363	$377.09	$136,884	Disposed (120,023 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-04-20	4,595	$374.11	$1,719,035	Disposed (94,715 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-04-20	12	—	—	Acquired (121,694 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-04-20	34	—	—	Acquired (99,310 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-04-20	1,308	$374.11	$489,336	Disposed (120,386 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-03-20	7	—	—	Acquired (116,525 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-03-20	961	$293.10	$281,669	Disposed (115,564 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-03-20	49	—	—	Acquired (619,192 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-03-20	1,042	$293.10	$305,410	Disposed (618,150 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Tax withholding	2026-03-17	20,595	$313.81	$6,462,917	Disposed (164,319 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Option exercise	2026-03-17	196	—	—	Acquired (184,914 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2026-03-06	8,518	$255.32	$2,174,858	Disposed (99,276 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2026-03-04	2,973	$269.57	$801,432	Disposed (114,969 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-03-04	8,547	$269.22	$2,300,986	Disposed (121,682 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-03-04	777	$257.91	$200,396	Disposed (130,229 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2026-03-04	7,175	$270.62	$1,941,678	Disposed (107,794 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-03-03	92	—	—	Acquired (622,655 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-03-03	7,054	$250.61	$1,767,803	Disposed (117,942 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-03-03	47	—	—	Acquired (124,996 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-03-03	3,512	$250.61	$880,142	Disposed (619,143 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-03-03	3,526	$250.61	$883,651	Disposed (116,518 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-03-03	23	—	—	Acquired (120,044 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-03-03	23	—	—	Acquired (133,804 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-03-03	2,798	$250.61	$701,207	Disposed (131,006 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	193	$280.73	$54,180	Disposed (29,533 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	107	$278.97	$29,850	Disposed (29,726 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	200	$273.56	$54,713	Disposed (30,433 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	1,100	$272.56	$299,814	Disposed (30,633 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	1,400	$271.68	$380,353	Disposed (31,733 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	966	$269.72	$260,551	Disposed (33,133 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	634	$268.84	$170,443	Disposed (34,099 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	300	$265.70	$79,710	Disposed (35,033 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2026-03-02	100	$263.66	$26,366	Disposed (35,333 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-02-26	214	$286.11	$61,228	Disposed (133,781 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-02-25	7	—	—	Acquired (125,959 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-02-25	1,010	$290.95	$293,860	Disposed (124,949 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-02-25	6	—	—	Acquired (134,765 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-02-25	770	$290.95	$224,032	Disposed (133,995 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-02-25	425	$290.95	$123,654	Disposed (622,563 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-02-25	849	$290.95	$247,017	Disposed (120,021 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-02-25	6	—	—	Acquired (120,870 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-02-25	27	—	—	Acquired (622,988 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-02-24	308	$281.70	$86,764	Disposed (134,759 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-02-23	130	$283.83	$36,898	Disposed (135,067 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-02-21	4	—	—	Acquired (126,435 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-02-21	21	—	—	Acquired (623,484 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-02-21	523	$285.52	$149,327	Disposed (622,961 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-02-21	4	—	—	Acquired (121,278 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-02-21	483	$285.52	$137,906	Disposed (125,952 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-02-21	414	$285.52	$118,205	Disposed (120,864 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-02-21	1,109	$285.52	$316,642	Disposed (135,197 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-02-21	9	—	—	Acquired (136,306 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2026-02-20	4	—	—	Acquired (126,868 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2026-02-20	522	$285.52	$149,041	Disposed (121,274 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2026-02-20	4	—	—	Acquired (121,796 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2026-02-20	437	$285.52	$124,772	Disposed (126,431 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-02-20	3	—	—	Acquired (136,541 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2026-02-20	11	—	—	Acquired (623,597 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-02-20	244	$285.52	$69,667	Disposed (136,297 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2026-02-20	134	$285.52	$38,260	Disposed (623,463 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	600	$274.09	$164,454	Disposed (130,850 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	915	$285.01	$260,782	Disposed (121,792 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	342	$272.97	$93,357	Disposed (131,450 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	870	$275.12	$239,353	Disposed (129,980 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	540	$276.22	$149,158	Disposed (129,440 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	2,129	$277.37	$590,512	Disposed (127,311 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	972	$278.28	$270,490	Disposed (126,339 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	406	$279.53	$113,490	Disposed (125,933 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	929	$280.83	$260,892	Disposed (125,004 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	995	$282.00	$280,585	Disposed (124,009 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	902	$282.66	$254,958	Disposed (123,107 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Sale 10b5-1	2026-02-17	400	$283.93	$113,572	Disposed (122,707 owned after)	EDGAR
WDC	KIDDOO BRUCE E	Director	Gift	2026-02-12	910	—	—	Disposed (4,753 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale	2026-02-06	6,780	$270.49	$1,833,922	Disposed (136,538 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	5,987	$260.57	$1,560,037	Disposed (12,013 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	3,597	$261.71	$941,363	Disposed (8,416 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	2,300	$262.77	$604,366	Disposed (6,116 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	2,200	$264.99	$582,980	Disposed (1,316 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	916	$265.92	$243,580	Disposed (400 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	400	$268.06	$107,222	Disposed (0 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	4,411	$257.69	$1,136,649	Disposed (29,915 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	2,600	$256.63	$667,241	Disposed (34,326 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	7,000	$258.67	$1,810,703	Disposed (22,915 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Sale 10b5-1	2026-02-05	4,915	$259.59	$1,275,896	Disposed (18,000 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	1,100	$248.95	$273,847	Disposed (638,402 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	981	$242.23	$237,627	Disposed (642,605 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	200	$249.49	$49,897	Disposed (638,202 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	2,444	$260.84	$637,487	Disposed (627,712 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	400	$250.71	$100,284	Disposed (623,586 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	3,626	$261.84	$949,414	Disposed (624,086 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	800	$245.00	$196,004	Disposed (640,507 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	1,298	$243.50	$316,066	Disposed (641,307 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	2,250	$259.93	$584,835	Disposed (630,156 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	2,096	$258.65	$542,138	Disposed (632,406 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	1,500	$257.82	$386,725	Disposed (634,502 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	100	$253.40	$25,340	Disposed (637,102 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	1,000	$252.15	$252,151	Disposed (637,202 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2026-02-02	1,005	$247.26	$248,500	Disposed (639,502 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2026-01-21	447	$229.00	$102,363	Disposed (143,318 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2026-01-20	842	$222.97	$187,741	Disposed (143,765 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2026-01-20	11	—	—	Acquired (144,607 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-12-20	967	$181.08	$175,104	Disposed (643,586 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-12-20	43	—	—	Acquired (644,553 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2025-12-20	6	—	—	Acquired (132,754 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2025-12-20	962	$181.08	$174,199	Disposed (131,792 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2025-12-05	5,121	$168.54	$863,093	Disposed (126,864 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2025-12-05	3,822	$167.61	$640,620	Disposed (131,985 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2025-12-04	13,877	$159.94	$2,219,510	Disposed (135,807 owned after)	EDGAR
WDC	Alexy Kimberly	Director	Sale	2025-12-04	2,000	$160.08	$320,165	Disposed (1,585 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale	2025-12-02	2,801	$160.57	$449,752	Disposed (144,596 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	400	$162.12	$64,847	Disposed (38,933 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	451	$163.16	$73,587	Disposed (38,482 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	2,539	$164.20	$416,913	Disposed (35,943 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	510	$164.95	$84,126	Disposed (35,433 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	100	$157.50	$15,750	Disposed (41,333 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	500	$158.98	$79,489	Disposed (40,833 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	600	$159.89	$95,932	Disposed (40,233 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-12-01	900	$161.17	$145,052	Disposed (39,333 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise	2025-11-25	5	—	—	Acquired (148,102 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2025-11-25	971	$155.41	$150,903	Disposed (132,748 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2025-11-25	5	—	—	Acquired (133,719 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-11-25	21	—	—	Acquired (644,884 owned after)	EDGAR
WDC	Oulman Roxanne	Director	Sale	2025-11-25	1,800	$154.42	$277,956	Disposed (3,863 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2025-11-25	1,142	$155.41	$177,478	Disposed (149,181 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2025-11-25	6	—	—	Acquired (150,323 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding	2025-11-25	770	$155.41	$119,666	Disposed (147,332 owned after)	EDGAR
WDC	Alexy Kimberly	Director	Sale	2025-11-25	1,768	$154.00	$272,272	Disposed (3,585 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-11-25	374	$155.41	$58,123	Disposed (644,510 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Marketing Office	Option exercise	2025-11-21	3	—	—	Acquired (134,306 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-11-21	524	$139.19	$72,936	Disposed (644,863 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-11-21	16	—	—	Acquired (645,387 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2025-11-21	3	—	—	Acquired (151,010 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2025-11-21	693	$139.19	$96,459	Disposed (150,317 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Marketing Office	Tax withholding	2025-11-21	592	$139.19	$82,400	Disposed (133,714 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding	2025-11-21	1,108	$139.19	$154,223	Disposed (148,097 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise	2025-11-21	7	—	—	Acquired (149,205 owned after)	EDGAR
WDC	DOLUCA TUNC	Director	Award	2025-11-20	1,585	—	—	Acquired (1,585 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Option exercise	2025-11-20	99	—	—	Acquired (206,646 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding	2025-11-20	379	$140.23	$53,147	Disposed (149,198 owned after)	EDGAR
WDC	Oulman Roxanne	Director	Award	2025-11-20	1,585	—	—	Acquired (5,663 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise	2025-11-20	2	—	—	Acquired (149,577 owned after)	EDGAR
WDC	Alexy Kimberly	Director	Award	2025-11-20	1,585	—	—	Acquired (5,353 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Marketing Office	Tax withholding	2025-11-20	715	$140.23	$100,264	Disposed (134,303 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Marketing Office	Option exercise	2025-11-20	3	—	—	Acquired (135,018 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Tax withholding	2025-11-20	18,680	$140.23	$2,619,496	Disposed (187,966 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-11-20	8	—	—	Acquired (645,475 owned after)	EDGAR
WDC	Cole Martin I	Director	Award	2025-11-20	1,915	—	—	Acquired (41,433 owned after)	EDGAR
WDC	KIDDOO BRUCE E	Director	Award	2025-11-20	1,585	—	—	Acquired (5,663 owned after)	EDGAR
WDC	Feller Brad	SVP & Chief Accounting Officer	Award	2025-11-20	9,907	—	—	Acquired (9,907 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-11-20	104	$140.23	$14,584	Disposed (645,371 owned after)	EDGAR
WDC	STREETER STEPHANIE A	Director	Award	2025-11-20	1,585	—	—	Acquired (1,585 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Award	2025-11-20	1,585	—	—	Acquired (28,897 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2025-11-20	3	—	—	Acquired (151,599 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2025-11-20	592	$140.23	$83,016	Disposed (151,007 owned after)	EDGAR
WDC	Oulman Roxanne	Director	Option exercise	2025-11-19	10	—	—	Acquired (4,078 owned after)	EDGAR
WDC	Cole Martin I	Director	Option exercise	2025-11-19	14	—	—	Acquired (39,518 owned after)	EDGAR
WDC	STREETER STEPHANIE A	Director	Option exercise	2025-11-19	16	—	—	Acquired (40,407 owned after)	EDGAR
WDC	KIDDOO BRUCE E	Director	Option exercise	2025-11-19	10	—	—	Acquired (4,078 owned after)	EDGAR
WDC	DOLUCA TUNC	Director	Option exercise	2025-11-19	14	—	—	Acquired (37,849 owned after)	EDGAR
WDC	Alexy Kimberly	Director	Option exercise	2025-11-19	9	—	—	Acquired (3,768 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	558	$164.99	$92,065	Disposed (39,504 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	1,231	$163.08	$200,752	Disposed (40,860 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	3,303	$162.18	$535,669	Disposed (42,091 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	960	$161.31	$154,861	Disposed (45,394 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	982	$160.24	$157,360	Disposed (46,354 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	551	$159.16	$87,696	Disposed (47,336 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	833	$158.02	$131,632	Disposed (47,887 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	419	$157.01	$65,786	Disposed (48,720 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	221	$155.77	$34,425	Disposed (49,139 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	144	$152.99	$22,031	Disposed (49,360 owned after)	EDGAR
WDC	Cole Martin I	Director	Sale 10b5-1	2025-11-05	798	$164.08	$130,937	Disposed (40,062 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-11-03	2,500	$153.18	$382,958	Disposed (646,962 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-11-03	2,927	$152.24	$445,617	Disposed (649,462 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-11-03	6,019	$149.02	$896,937	Disposed (659,448 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-11-03	6,359	$149.79	$952,513	Disposed (653,089 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-11-03	700	$150.90	$105,633	Disposed (652,389 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-11-03	1,495	$153.93	$230,127	Disposed (645,467 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise	2025-10-20	8	—	—	Acquired (150,882 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding	2025-10-20	1,307	$121.53	$158,840	Disposed (149,575 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-09-20	779	$106.63	$83,065	Disposed (665,467 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Tax withholding	2025-09-20	961	$106.63	$102,471	Disposed (135,015 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-09-20	34	—	—	Acquired (666,246 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktng Officer	Option exercise	2025-09-20	5	—	—	Acquired (135,976 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Sale	2025-09-04	11,343	$90.29	$1,024,162	Disposed (151,596 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2025-08-28	353	$80.90	$28,558	Disposed (27,425 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Officer	Tax withholding	2025-08-27	441	$80.67	$35,575	Disposed (135,971 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise	2025-08-27	1	—	—	Acquired (151,140 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Option exercise 10b5-1	2025-08-27	1	—	—	Acquired (28,123 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding	2025-08-27	266	$80.67	$21,458	Disposed (150,874 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Officer	Option exercise	2025-08-27	1	—	—	Acquired (136,412 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2025-08-27	345	$80.67	$27,831	Disposed (27,778 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2025-08-27	1	—	—	Acquired (163,347 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2025-08-27	408	$80.67	$32,913	Disposed (162,939 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2025-08-26	814	$79.10	$64,387	Disposed (28,122 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Award	2025-08-26	74,162	—	—	Acquired (666,212 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Award	2025-08-26	27,810	—	—	Acquired (184,234 owned after)	EDGAR
WDC	Sennesael Kris	Chief Financial Officer	Award	2025-08-26	34,763	—	—	Acquired (206,547 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Award	2025-08-26	16,554	—	—	Acquired (151,139 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Officer	Award	2025-08-26	13,243	—	—	Acquired (136,411 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Award	2025-08-26	16,554	—	—	Acquired (163,346 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Officer	Option exercise	2025-08-25	3	—	—	Acquired (124,137 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-08-25	247	$79.22	$19,567	Disposed (592,050 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding	2025-08-25	769	$79.22	$60,920	Disposed (134,585 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-08-25	13	—	—	Acquired (592,297 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise	2025-08-25	3	—	—	Acquired (135,354 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2025-08-25	3	—	—	Acquired (147,932 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2025-08-25	1,140	$79.22	$90,311	Disposed (146,792 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Officer	Tax withholding	2025-08-25	969	$79.22	$76,764	Disposed (123,168 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2025-08-25	798	$79.22	$63,218	Disposed (28,936 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Option exercise 10b5-1	2025-08-25	2	—	—	Acquired (29,734 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP, Global Accounting & Chief	Sale 10b5-1	2025-08-22	1,828	$74.78	$136,698	Disposed (29,732 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sale 10b5-1	2025-08-22	14,067	$74.78	$1,051,930	Disposed (135,351 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Option exercise	2025-08-21	9	—	—	Acquired (150,702 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP, Global Accounting & Chief	Option exercise 10b5-1	2025-08-21	6	—	—	Acquired (36,517 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP, Global Accounting & Chief	Tax withholding 10b5-1	2025-08-21	1,797	$74.66	$134,164	Disposed (34,720 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP, Global Accounting & Chief	Sale 10b5-1	2025-08-21	3,160	$75.68	$239,149	Disposed (31,560 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Option exercise 10b5-1	2025-08-21	18	—	—	Acquired (153,846 owned after)	EDGAR
WDC	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Tax withholding 10b5-1	2025-08-21	4,428	$74.66	$330,594	Disposed (149,418 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise	2025-08-21	42	—	—	Acquired (593,774 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-08-21	1,490	$74.66	$111,243	Disposed (592,284 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Operations	Tax withholding	2025-08-21	2,773	$74.66	$207,032	Disposed (147,929 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Marketing Office	Option exercise	2025-08-21	8	—	—	Acquired (126,505 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Marketing Office	Tax withholding	2025-08-21	2,371	$74.66	$177,019	Disposed (124,134 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Option exercise	2025-08-20	9	—	—	Acquired (39,613 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding	2025-08-20	3,102	$75.64	$234,635	Disposed (36,511 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Option exercise	2025-08-20	10	—	—	Acquired (156,393 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-08-20	2,565	$75.64	$194,017	Disposed (153,828 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding 10b5-1	2025-08-20	1,205	$75.64	$91,146	Disposed (593,732 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Option exercise	2025-08-20	11	—	—	Acquired (154,690 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-08-20	3,997	$75.64	$302,333	Disposed (150,693 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Option exercise	2025-08-20	14	—	—	Acquired (131,333 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-08-20	4,836	$75.64	$365,795	Disposed (126,497 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Option exercise 10b5-1	2025-08-20	101	—	—	Acquired (594,937 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-08-19	8,621	$75.90	$654,334	Disposed (594,836 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Sale	2025-08-13	5,597	$76.26	$426,827	Disposed (154,679 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Sale	2025-08-11	3,947	$74.88	$295,532	Disposed (160,276 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Option exercise	2025-07-20	5	—	—	Acquired (157,689 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-07-20	1,306	$68.00	$88,808	Disposed (156,383 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Option exercise	2025-06-20	—	—	—	Acquired (157,888 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Option exercise	2025-06-20	28	—	—	Acquired (172,441 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-06-20	8,218	$59.29	$487,245	Disposed (164,223 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Option exercise	2025-06-20	28	—	—	Acquired (138,785 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-06-20	7,466	$59.29	$442,659	Disposed (131,319 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-06-20	204	$59.29	$12,095	Disposed (157,684 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Option exercise	2025-06-20	6	—	—	Acquired (173,648 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-06-20	1,235	$59.29	$73,223	Disposed (172,413 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Option exercise	2025-06-20	3	—	—	Acquired (139,426 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-06-20	669	$59.29	$39,665	Disposed (138,757 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2025-06-17	245	$58.01	$14,212	Disposed (39,604 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2025-06-14	240	$55.70	$13,368	Disposed (39,849 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2025-06-05	1,729	$54.88	$94,888	Disposed (40,089 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-05-27	307	$51.82	$15,909	Disposed (139,423 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-05-27	284	$51.82	$14,717	Disposed (173,642 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-05-27	267	$51.82	$13,836	Disposed (157,661 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding	2025-05-27	345	$51.82	$17,878	Disposed (41,818 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-05-25	795	$50.18	$39,893	Disposed (173,926 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-05-25	116	$50.18	$5,821	Disposed (603,457 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding	2025-05-25	797	$50.18	$39,993	Disposed (42,163 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-05-25	675	$50.18	$33,872	Disposed (139,730 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-05-25	768	$50.18	$38,538	Disposed (157,928 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-05-23	1,869	$50.18	$93,786	Disposed (603,573 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-05-20	39	$50.63	$1,975	Disposed (605,442 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-05-20	379	$50.63	$19,189	Disposed (158,696 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding	2025-05-20	360	$50.63	$18,227	Disposed (42,960 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-05-20	498	$50.63	$25,214	Disposed (140,405 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-05-20	412	$50.63	$20,860	Disposed (174,721 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Sale 10b5-1	2025-05-13	11,379	$48.19	$548,354	Disposed (605,481 owned after)	EDGAR
WDC	Sennesael Kris	EVP & CFO	Award	2025-05-12	171,784	—	—	Acquired (171,784 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-04-20	1,172	$36.51	$42,790	Disposed (159,075 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-04-20	2,129	$36.51	$77,730	Disposed (175,133 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-03-20	669	$44.51	$29,777	Disposed (140,903 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Tax withholding	2025-03-20	457	$44.51	$20,341	Disposed (616,860 owned after)	EDGAR
WDC	Shihab Ahmed Mohammed	Chief Product Officer	Award	2025-03-17	156,424	—	—	Acquired (156,424 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2025-03-12	456	$43.37	$19,777	Disposed (43,320 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2025-03-07	1,659	$41.36	$68,616	Disposed (43,776 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2025-03-06	1,116	$41.45	$46,258	Disposed (45,435 owned after)	EDGAR
WDC	Bennett Don R	Interim CFO	Tax withholding	2025-03-06	1,644	$41.45	$68,144	Disposed (104,554 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Tax withholding	2025-03-06	875	$41.45	$36,269	Disposed (160,247 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Tax withholding	2025-03-06	1,492	$41.45	$61,843	Disposed (177,262 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Tax withholding	2025-03-06	1,529	$41.45	$63,377	Disposed (141,572 owned after)	EDGAR
WDC	Gubbi Vidyadhara K	Chief of Global Ops	Award	2025-03-03	42,544	—	—	Acquired (178,754 owned after)	EDGAR
WDC	Davis Brian Scott	Chief Sales & Mrktg Off	Award	2025-03-03	21,272	—	—	Acquired (143,101 owned after)	EDGAR
WDC	Tan Irving	Chief Executive Officer	Award	2025-03-03	55,307	—	—	Acquired (617,317 owned after)	EDGAR
WDC	Tregillis Cynthia L	CLO and Corp. Sec.	Award	2025-03-03	21,272	—	—	Acquired (161,122 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Award	2025-02-28	5,327	—	—	Acquired (46,551 owned after)	EDGAR
WDC	KIDDOO BRUCE E	Director	Award	2025-02-28	4,068	—	—	Acquired (4,068 owned after)	EDGAR
WDC	JABRE WISSAM G	EVP & CFO	Award	2025-02-28	74,039	—	—	Acquired (335,672 owned after)	EDGAR
WDC	Oulman Roxanne	Director	Award	2025-02-28	4,068	—	—	Acquired (4,068 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2024-11-29	313	$72.63	$22,733	Disposed (28,383 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2024-11-27	167	$71.50	$11,940	Disposed (28,696 owned after)	EDGAR
WDC	SODERBERY ROBERT	EVP & GM, Flash Business	Tax withholding	2024-11-27	606	$71.50	$43,329	Disposed (132,940 owned after)	EDGAR
WDC	Goeckeler David	Chief Executive Officer	Tax withholding	2024-11-27	2,939	$71.50	$210,138	Disposed (812,303 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2024-11-26	658	$69.99	$46,053	Disposed (28,863 owned after)	EDGAR
WDC	Goeckeler David	Chief Executive Officer	Tax withholding	2024-11-25	3,632	$69.42	$252,152	Disposed (815,242 owned after)	EDGAR
WDC	SODERBERY ROBERT	EVP & GM, Flash Business	Tax withholding	2024-11-25	981	$69.42	$68,106	Disposed (133,546 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2024-11-25	450	$69.42	$31,241	Disposed (29,521 owned after)	EDGAR
WDC	JABRE WISSAM G	EVP & CFO	Tax withholding	2024-11-25	1,471	$69.42	$102,124	Disposed (210,071 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale 10b5-1	2024-11-21	376	$64.47	$24,241	Disposed (29,971 owned after)	EDGAR
WDC	STREETER STEPHANIE A	Director	Award	2024-11-20	4,385	—	—	Acquired (38,407 owned after)	EDGAR
WDC	SODERBERY ROBERT	EVP & GM, Flash Business	Tax withholding	2024-11-20	871	$63.84	$55,605	Disposed (134,527 owned after)	EDGAR
WDC	Cole Martin I	Director	Award	2024-11-20	3,759	—	—	Acquired (47,803 owned after)	EDGAR
WDC	DOLUCA TUNC	Director	Award	2024-11-20	3,759	—	—	Acquired (3,759 owned after)	EDGAR
WDC	Caulfield Thomas	Director	Award	2024-11-20	3,759	—	—	Acquired (21,737 owned after)	EDGAR
WDC	Alexy Kimberly	Director	Award	2024-11-20	3,759	—	—	Acquired (3,759 owned after)	EDGAR
WDC	JABRE WISSAM G	EVP & CFO	Tax withholding	2024-11-20	1,462	$63.84	$93,334	Disposed (211,542 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Tax withholding 10b5-1	2024-11-20	261	$63.84	$16,662	Disposed (30,347 owned after)	EDGAR
WDC	Suzuki Miyuki	Director	Award	2024-11-20	3,759	—	—	Acquired (18,160 owned after)	EDGAR
WDC	Goeckeler David	Chief Executive Officer	Tax withholding	2024-11-20	2,756	$63.84	$175,943	Disposed (818,874 owned after)	EDGAR
WDC	MASSENGILL MATTHEW E	Director	Award	2024-11-20	4,542	—	—	Acquired (18,804 owned after)	EDGAR
WDC	Suzuki Miyuki	Director	Tax withholding	2024-11-15	1,172	$62.80	$73,602	Disposed (14,401 owned after)	EDGAR
WDC	SODERBERY ROBERT	EVP & GM, Flash Business	Sale	2024-10-29	30,767	$68.01	$2,092,519	Disposed (135,398 owned after)	EDGAR
WDC	Zamiska Gene M.	SVP & Princ. Acctg Officer	Sale	2024-10-28	1,993	$69.94	$139,390	Disposed (30,608 owned after)	EDGAR
WDC	Goeckeler David	Chief Executive Officer	Sale 10b5-1	2024-10-25	75,000	$72.58	$5,443,875	Disposed (821,630 owned after)	EDGAR
WDC	Goeckeler David	Chief Executive Officer	Sale 10b5-1	2024-09-26	75,000	$70.32	$5,274,000	Disposed (896,630 owned after)	EDGAR

Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status