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WDC US
Western Digital Corporation
(WDC US)
$343.67
-10.52
2.97%
Ext:
$341.64
-2.03
0.59%
(Market Closed · 00:00:02 UTC)
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RAY MICHAEL CHARLES
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COYNE JOHN F
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WELSH JAMES K
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MORRIS JAMES D
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Hunkler Sean
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Feller Brad
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24 Nov 2025
3
PRIMARY DOCUMENT
24 Nov 2025
Suzuki Miyuki
(7)
Expand
4
PRIMARY DOCUMENT
22 Nov 2024
4
PRIMARY DOCUMENT
18 Nov 2024
4
PRIMARY DOCUMENT
16 Nov 2023
4
PRIMARY DOCUMENT
17 Nov 2022
4
PRIMARY DOCUMENT
17 Nov 2021
4
PRIMARY DOCUMENT
8 Jul 2021
3
PRIMARY DOCUMENT
8 Jul 2021
WESTERN DIGITAL CORP
(6)
Expand
4/A
PRIMARY DOCUMENT
9 Jun 2025
4
PRIMARY DOCUMENT
9 Jun 2025
4
PRIMARY DOCUMENT
25 Feb 2025
4
PRIMARY DOCUMENT
14 Feb 2025
3
PRIMARY DOCUMENT
31 Jan 2025
4/A
AMENDMENT TO FORM 4
21 Nov 2001
Caulfield Thomas
(6)
Expand
4
PRIMARY DOCUMENT
22 Nov 2024
4
PRIMARY DOCUMENT
16 Nov 2023
4
PRIMARY DOCUMENT
17 Nov 2022
4
PRIMARY DOCUMENT
17 Nov 2021
4
PRIMARY DOCUMENT
8 Jul 2021
3
PRIMARY DOCUMENT
8 Jul 2021
Das Manuvir
(4)
Expand
4
PRIMARY DOCUMENT
21 Sep
4
PRIMARY DOCUMENT
22 Jun
4
PRIMARY DOCUMENT
28 May
3
PRIMARY DOCUMENT
28 May
BOOTH I MACALLISTER
(3)
Expand
4
PRIMARY DOCUMENT
22 Nov 2004
4
PRIMARY DOCUMENT
5 Jan 2004
4
PRIMARY DOCUMENT
21 Nov 2003
Robertson Donald F Jr
(3)
Expand
4
PRIMARY DOCUMENT
17 Apr 2019
4
PRIMARY DOCUMENT
20 Feb 2019
3
PRIMARY DOCUMENT
20 Feb 2019
Rayman Reed B
(3)
Expand
4
PRIMARY DOCUMENT
24 May 2023
4
PRIMARY DOCUMENT
2 Feb 2023
3
PRIMARY DOCUMENT
2 Feb 2023
HITACHI LTD
(2)
Expand
4
Statement of changes in beneficial ownership
7 Nov 2013
3
Initial statement of beneficial ownership
15 Mar 2013
FETAH DAVID C
(2)
Expand
4
PRIMARY DOCUMENT
2 Jan 2004
4
PRIMARY DOCUMENT
26 Sep 2003
Bennett Don R
(2)
Expand
4
PRIMARY DOCUMENT
10 Mar 2025
3
PRIMARY DOCUMENT
3 Mar 2025
Bigfoot Ventures Ltd.
(1)
Expand
3
PRIMARY DOCUMENT
5 Jun 2009
YAMAMURA MASAHIRO
(1)
Expand
3
PRIMARY DOCUMENT
29 May 2012
OKA KENSUKE
(1)
Expand
3
PRIMARY DOCUMENT
29 May 2012
YAMAMOTO AKIO
(1)
Expand
3
PRIMARY DOCUMENT
20 Sep 2013
≥5% Ownership
FMR LLC
(29)
Expand
SC 13G/A
Western Digital Corp
6 Aug
SC 13G/A
Western Digital Corp
8 Jan
SC 13G/A
Western Digital Corp
5 Nov 2025
SC 13G/A
Western Digital Corp
6 Aug 2025
SC 13G/A
Western Digital Corp
12 May 2025
SC 13G/A
Western Digital Corp
12 Feb 2025
SC 13G
Western Digital Corp
12 Nov 2024
SC 13G/A
Western Digital Corp
14 Feb 2017
SC 13G
Western Digital Corp
12 Feb 2016
SC 13G/A
Western Digital Corp
10 Nov 2011
BlackRock Inc.
(20)
Expand
SC 13G/A
Western Digital Corp
25 Jan 2024
SC 13G/A
Western Digital Corp
10 Feb 2023
SC 13G/A
Western Digital Corp
11 Mar 2022
SC 13G
Western Digital Corp
8 Feb 2022
SC 13G/A
Western Digital Corp
5 Feb 2021
SC 13G/A
Western Digital Corp
10 Feb 2020
SC 13G/A
Western Digital Corp
11 Feb 2019
SC 13G/A
Western Digital Corp
23 Jan 2018
SC 13G/A
Western Digital Corp
27 Jan 2017
SC 13G/A
Western Digital Corp
27 Jan 2016
VANGUARD GROUP INC
(17)
Expand
SC 13G/A
Western Digital Corp
27 Mar
SC 13G/A
Western Digital Corp
13 Feb 2024
SC 13G/A
Western Digital Corp
9 Feb 2023
SC 13G/A
Western Digital Corp
10 Feb 2022
SC 13G/A
Western Digital Corp
10 Feb 2021
SC 13G/A
Western Digital Corp
12 Feb 2020
SC 13G/A
Western Digital Corp
11 Feb 2019
SC 13G/A
Western Digital Corp
9 Feb 2018
SC 13G/A
Western Digital Corp
10 May 2017
SC 13G/A
Western Digital Corp
10 Feb 2017
WESTERN DIGITAL CORP
(9)
Expand
SC 13G/A
Sandisk Corp
15 May
SC 13G/A
Sandisk Corp
1 Jul 2025
SC 13G
Sandisk Corp
3 Apr 2025
SC 13D/A
Stec, Inc.
13 Sep 2013
SC 13D
Stec, Inc.
3 Jul 2013
SC 13G/A
Vixel Corp
28 Feb 2002
SC 13G/A
Komag Inc /De/
2 Nov 2000
SC 13G
Vixel Corp
14 Feb 2000
SC 13G
Komag Inc /De/
16 Apr 1999
WELLINGTON MANAGEMENT CO LLP
(6)
Expand
SC 13G/A
Western Digital Corp
12 Feb 2004
SC 13G/A
Western Digital Corp
12 Feb 2003
SC 13G/A
Western Digital Corp
12 Feb 2002
SC 13G
Western Digital Corp
10 Jul 2001
SC 13G/A
Western Digital Corp
13 Feb 1997
SC 13G/A
Western Digital Corp
9 Feb 1996
AXA FINANCIAL INC
(5)
Expand
SC 13G/A
Western Digital Corp
9 Feb 2011
SC 13G/A
Western Digital Corp
12 Feb 2010
SC 13G/A
Western Digital Corp
10 Aug 2009
SC 13G/A
Western Digital Corp
13 Feb 2009
SC 13G
Western Digital Corp
10 Sep 2008
BARCLAYS GLOBAL INVESTORS NA /CA/
(5)
Expand
SC 13G
Western Digital Corp
5 Feb 2009
SC 13G/A
Western Digital Corp
7 Jan 2008
SC 13G
Western Digital Corp
23 Jan 2007
SC 13G/A
Western Digital Corp
10 Oct 2006
SC 13G
Western Digital Corp
27 Jan 2006
JPMORGAN CHASE & CO
(3)
Expand
SC 13G/A
Western Digital Corp
22 Apr 2025
SC 13G/A
Western Digital Corp
12 Feb 2025
SC 13G
Western Digital Corp
15 Oct 2024
HITACHI LTD
(3)
Expand
SC 13D/A
Western Digital Corp
14 Nov 2014
SC 13D/A
Western Digital Corp
7 Nov 2013
SC 13D
Western Digital Corp
15 Mar 2012
PRICE T ROWE ASSOCIATES INC /MD/
(3)
Expand
SC 13G/A
Western Digital Corp
14 Nov 2024
SC 13G
Western Digital Corp
14 Feb 2024
SC 13G
Western Digital Corp
14 Feb 2023
KOPP INVESTMENT ADVISORS INC
(3)
Expand
SC 13G/A
Western Digital Corp
4 Feb 1999
SC 13G/A
Western Digital Corp
10 Feb 1998
SC 13G
Western Digital Corp
27 Jan 1997
FIRSTHAND CAPITAL MANAGEMENT INC
(3)
Expand
SC 13G
Western Digital Corp
28 Jan 2002
SC 13G/A
Western Digital Corp
23 May 2001
SC 13G
Western Digital Corp
14 Feb 2001
GOLDMAN SACHS ASSET MANAGEMENT LP
(3)
Expand
SC 13G/A
Western Digital Corp
8 Feb 2007
SC 13G/A
Western Digital Corp
3 Feb 2006
SC 13G
Western Digital Corp
12 Dec 2005
MANAGED ACCOUNT ADVISORS LLC
(3)
Expand
SC 13G/A
Western Digital Corp
10 Feb
SC 13G/A
Western Digital Corp
13 Nov 2025
SC 13G
Western Digital Corp
14 Aug 2025
MELLON FINANCIAL CORP
(2)
Expand
SC 13G/A
Western Digital Corp
14 Feb 2007
SC 13G
Western Digital Corp
15 Feb 2006
STATE STREET CORP
(2)
Expand
SC 13G/A
Western Digital Corp
13 Feb 2018
SC 13G
Western Digital Corp
10 Feb 2017
VANGUARD/WINDSOR FUNDS INC
(2)
Expand
SC 13G/A
Western Digital Corp
7 Feb 1997
SC 13G
Western Digital Corp
2 Feb 1996
LEGG MASON INC
(2)
Expand
SC 13G
Western Digital Corp
16 Feb 1999
SC 13G
Western Digital Corp
12 Feb 1998
TRIMARK FINANCIAL CORP
(2)
Expand
SC 13G/A
Western Digital Corp
14 Feb 2000
SC 13G
Western Digital Corp
12 Feb 1999
Tradewinds Global Investors, LLC
(2)
Expand
SC 13G/A
Western Digital Corp
9 Mar 2012
SC 13G
Western Digital Corp
14 Feb 2012
VANGUARD PORTFOLIO MANAGEMENT LLC
(2)
Expand
SC 13G/A
Western Digital Corp
31 Jul
SC 13G
Western Digital Corp
29 Apr
CAPITAL GROUP COMPANIES INC ET AL
(1)
Expand
SC 13G/A
Western Digital Corp
2 Feb 1996
NICHOLAS APPLEGATE CAPITAL MANAGEMENT
(1)
Expand
SC 13G/A
Western Digital Corp
13 Feb 1998
LSV ASSET MANAGEMENT
(1)
Expand
SC 13G
Western Digital Corp
13 Feb 2006
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Western Digital Corp
30 Apr
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