Irving Tan Western Digital Corp (WDC) insider trading activity

Irving Tan is Chief Executive Officer of WESTERN DIGITAL CORP. Currently has a direct ownership of 643,586 shares of WDC, which is worth approximately $102 Million. The most recent transaction as insider was on Dec 20, 2025, when has been sold 967 shares (Common Stock) at a price of $181.08 per share, resulting in proceeds of $175,104. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 644K

3.29% 3M change

n/a 12M change

Total Value Held $102 Million

Irving Tan Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 20 2025	SELL Payment of exercise price or tax liability	$175,104 $181.08 p/Share	967 Reduced 0.15%	643,586 Common Stock
Dec 20 2025	BUY Exercise of conversion of derivative security	-	43 Added 0.01%	644,553 Common Stock
Nov 25 2025	SELL Payment of exercise price or tax liability	$58,123 $155.41 p/Share	374 Reduced 0.06%	644,510 Common Stock
Nov 25 2025	BUY Exercise of conversion of derivative security	-	21 Added 0.0%	644,884 Common Stock
Nov 21 2025	SELL Payment of exercise price or tax liability	$72,935 $139.19 p/Share	524 Reduced 0.08%	644,863 Common Stock
Nov 21 2025	BUY Exercise of conversion of derivative security	-	16 Added 0.0%	645,387 Common Stock
Nov 20 2025	SELL Payment of exercise price or tax liability	$14,583 $140.23 p/Share	104 Reduced 0.02%	645,371 Common Stock

Nov 20 2025	BUY Exercise of conversion of derivative security	-	8 Added 0.0%	645,475 Common Stock
Nov 03 2025	SELL Open market or private sale	$3,030,200 $151.51 p/Share	20,000 Reduced 3.01%	645,467 Common Stock
Sep 20 2025	SELL Payment of exercise price or tax liability	$83,064 $106.63 p/Share	779 Reduced 0.12%	665,467 Common Stock
Sep 20 2025	BUY Exercise of conversion of derivative security	-	34 Added 0.01%	666,246 Common Stock
Aug 26 2025	BUY Grant, award, or other acquisition	-	74,162 Added 10.02%	666,212 Common Stock
Aug 25 2025	SELL Payment of exercise price or tax liability	$19,567 $79.22 p/Share	247 Reduced 0.04%	592,050 Common Stock
Aug 25 2025	BUY Exercise of conversion of derivative security	-	13 Added 0.0%	592,297 Common Stock
Aug 21 2025	SELL Payment of exercise price or tax liability	$111,243 $74.66 p/Share	1,490 Reduced 0.25%	592,284 Common Stock
Aug 21 2025	BUY Exercise of conversion of derivative security	-	42 Added 0.01%	593,774 Common Stock
Aug 20 2025	SELL Payment of exercise price or tax liability	$91,146 $75.64 p/Share	1,205 Reduced 0.2%	593,732 Common Stock
Aug 20 2025	BUY Exercise of conversion of derivative security	-	101 Added 0.02%	594,937 Common Stock
Aug 19 2025	SELL Open market or private sale	$654,333 $75.9 p/Share	8,621 Reduced 1.43%	594,836 Common Stock
May 25 2025	SELL Payment of exercise price or tax liability	$5,820 $50.18 p/Share	116 Reduced 0.02%	603,457 Common Stock
May 23 2025	SELL Payment of exercise price or tax liability	$93,786 $50.18 p/Share	1,869 Reduced 0.31%	603,573 Common Stock
May 20 2025	SELL Payment of exercise price or tax liability	$1,974 $50.63 p/Share	39 Reduced 0.01%	605,442 Common Stock
May 13 2025	SELL Open market or private sale	$548,354 $48.19 p/Share	11,379 Reduced 1.84%	605,481 Common Stock
Mar 20 2025	SELL Payment of exercise price or tax liability	$20,341 $44.51 p/Share	457 Reduced 0.07%	616,860 Common Stock
Mar 03 2025	BUY Grant, award, or other acquisition	-	55,307 Added 8.22%	617,317 Common Stock

Also insider at

CSCO

CISCO SYSTEMS, INC. Technology

EVP, Chief of Operations

SWK

STANLEY BLACK & DECKER, INC. Industrials

Director

Irving Tan

Chief Executive Officer

San Jose, CA

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