Western Digital Ownership & Insider Activity

Western Digital (WDC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.9% of shares outstanding. Institutional investors hold 69.8%. Over the past 90 days, insiders made 10 sales worth $17.4M.

Shares Outstanding

360.541M

Shares Float

321.386M

Insider Shares Owned

6.516M

Insider % Owned

1.9%

Institutional Shares Held

252.039M

Institutional % Held

69.8%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$17.4M total

Net Activity

Net Selling

Net Value (90d)

-$17.4M

Western Digital Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 20, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	2.393K	$458.92	$1.1M
Aug 11, 2026	Irving Tan	CHIEF EXECUTIVE OFFICER	SELL	20.000K	$444.97	$8.9M
Jul 28, 2026	Martin Cole	DIRECTOR	SELL	192.000	$462.77	$89K
Jul 28, 2026	Martin Cole	DIRECTOR	SELL	3.808K	$448.66	$1.7M
Jul 20, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	2.104K	$503.53	$1.1M
Jun 9, 2026	Martin Cole	DIRECTOR	SELL	720.000	$536.01	$386K
Jun 9, 2026	Martin Cole	DIRECTOR	SELL	3.280K	$511.16	$1.7M
Jun 3, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	1.125K	$575.58	$651K
Jun 1, 2026	Vidyadhara Gubbi	CHIEF GLOBAL OPERATIONS	SELL	2.475K	$556.24	$1.4M
May 28, 2026	Bruce Kiddoo	DIRECTOR	SELL	750.000	$528.52	$396K
May 22, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	1.286K	$494.47	$639K
May 20, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	1.580K	$478.24	$762K
May 11, 2026	Brian Scott Davis	CHIEF SALES & MRKTNG OFFICER	SELL	10.000K	$500.69	$5.0M
May 4, 2026	Vidyadhara Gubbi	CHIEF GLOBAL OPERATIONS	SELL	4.674K	$443.19	$2.1M
May 1, 2026	Irving Tan	CHIEF EXECUTIVE OFFICER	SELL	20.000K	$411.84	$8.2M
Apr 20, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	1.659K	$374.76	$626K
Mar 6, 2026	Vidyadhara Gubbi	CHIEF GLOBAL OPERATIONS	SELL	8.518K	$255.33	$2.2M
Mar 3, 2026	Cynthia Tregillis	CHIEF LEGAL OFFICER & CORP SEC	SELL	12.099K	$264.20	$3.2M
Mar 3, 2026	Vidyadhara Gubbi	CHIEF GLOBAL OPERATIONS	SELL	17.155K	$262.23	$4.5M
Mar 2, 2026	Martin I Cole	DIRECTOR	SELL	6.000K	$271.67	$1.6M

Date	Member	Party	Chamber	Action	Amount
Mar 27, 2026	Alan Armstrong	R	Senate	P	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	S	$15,001 - $50,000
Apr 17, 2025	Jefferson Shreve	R	House	P	$15,001 - $50,000
Apr 11, 2025	Robert Bresnahan	R	House	S	$1,001 - $15,000
Apr 10, 2025	Robert Bresnahan	R	House	S (Partial)	$1,001 - $15,000
Mar 13, 2025	Jefferson Shreve	R	House	S	$15,001 - $50,000