Matthew E. Massengill

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
San Jose, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Matthew Massengill
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Matthew E. Massengill

Form 4 holding Director

Sandisk Corp

Security class
Common Stock
Shares / value
12,308
Estimated value
$620,816
Report date
03 Mar 2025
Price
$50.44
Ownership
By Family Trust
Form 4 holding Director

Sandisk Corp

Security class
Common Stock
Shares / value
4,840
Estimated value
$244,130
Report date
03 Mar 2025
Price
$50.44
Ownership
Direct
Form 4 holding Director

Sandisk Corp

Security class
Common Stock
Shares / value
166
Estimated value
$8,373
Report date
03 Mar 2025
Price
$50.44
Ownership
By IRA
Form 4 holding Director

WESTERN DIGITAL CORP

Security class
Dividend Equivalent Rights
Shares / value
105
Estimated value
Report date
18 Mar 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Matthew E. Massengill

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