LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0002057088

Cynthia L. Tregillis

70 transactions in one company, from January 20, 2026 to September 17, 2026.

Transactions: 701 company
Bought · P: $0open market
Sold · S: $7.0Mopen market
Net: −$7.0Mnet selling

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
WESTERN DIGITAL CORP	WDC	70	—	$7.0M

All transactions

70 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Sep 17	A	27	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Sep 3	MPLAN	7	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Sep 4	SPLAN	432	$451.20	$195K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Sep 3	FPLAN	700	$441.57	$309K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Sep 3	MPLAN	7	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Aug 26	MPLAN	9	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Aug 25	MPLAN	8	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 27	SPLAN	1,007	$478.36	$482K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 26	FPLAN	1,631	$468.88	$765K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 26	MPLAN	9	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 26	SPLAN	476	$450.78	$215K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 25	APLAN	3,878	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 25	FPLAN	771	$450.75	$348K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 25	MPLAN	7	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Aug 21	MPLAN	11	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Aug 20	MPLAN	4	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 24	SPLAN	684	$446.17	$305K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 21	FPLAN	1,109	$459.44	$510K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 21	MPLAN	11	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 21	SPLAN	235	$477.27	$112K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 20	FPLAN	379	$469.05	$178K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Aug 20	MPLAN	3	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Jul 20	MPLAN	13	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jul 21	SPLAN	808	$529.63	$428K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jul 20	FPLAN	1,309	$487.42	$638K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jul 20	MPLAN	13	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Jun 17	A	19	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Jun 3	MPLAN	7	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jun 5	SPLAN	432	$545.60	$236K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jun 3	FPLAN	699	$594.11	$415K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jun 3	MPLAN	6	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	May 25	MPLAN	7	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 27	SPLAN	214	$539.63	$115K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 25	FPLAN	771	$484.28	$373K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 25	MPLAN	7	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 22	SPLAN	308	$488.61	$150K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	May 21	MPLAN	11	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	May 20	MPLAN	4	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 21	SPLAN	106	$458.87	$49K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 21	FPLAN	1,108	$486.46	$539K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 21	MPLAN	10	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 20	FPLAN	379	$459.62	$174K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	May 20	MPLAN	3	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Apr 20	MPLAN	12	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Apr 21	SPLAN	363	$377.09	$137K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Apr 20	FPLAN	1,308	$374.11	$489K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Apr 20	MPLAN	12	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Mar 18	A	41	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Mar 3	MPLAN	24	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Mar 4	SPLAN	8,547	$269.22	$2.3M
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Mar 4	SPLAN	777	$257.91	$200K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Mar 3	FPLAN	2,798	$250.61	$701K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Mar 3	MPLAN	23	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Feb 25	MPLAN	7	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 26	SPLAN	214	$286.11	$61K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 25	FPLAN	770	$290.95	$224K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 25	MPLAN	6	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Feb 21	MPLAN	9	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Feb 20	MPLAN	3	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 24	SPLAN	308	$281.70	$87K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 23	SPLAN	130	$283.83	$37K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 21	FPLAN	1,109	$285.52	$317K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 21	MPLAN	9	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 20	FPLAN	244	$285.52	$70K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 20	MPLAN	3	$0.00	—
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Feb 6	S	6,780	$270.49	$1.8M
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGCDERIV	Jan 20	MPLAN	11	$0.00	—?
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jan 21	SPLAN	447	$229.00	$102K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jan 20	FPLAN	842	$222.97	$188K
WESTERN DIGITAL CORP	WDC	Cynthia L. TregillisGC	Jan 20	MPLAN	11	$0.00	—