Matthew E. Massengill serves as Executive at WESTERN DIGITAL CORP, where they oversee executive responsibilities. Since joining the company, Matthew E. Massengill has executed 265 insider transactions totaling $42.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 20, 2025 involved receiving (via award) 1,585 shares valued at $0.
Matthew E. Massengill currently holds 28,897 shares of WESTERN DIGITAL CORP (WDC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Matthew E. Massengill has been a net seller of WDC stock. They have purchased $0 and sold $42.1M worth of shares.
Matthew E. Massengill's most recent insider trade was on Nov 20, 2025, when they sold 1,585 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Nov 16, 2022 | WDC | $0 | Award | 7,962 | $N/A | Discretionary |
| Nov 16, 2021 | WDC | $0 | Award | 4,958 | $N/A | Discretionary |
| Nov 18, 2020 | WDC | $0 | Award | 6,825 | $N/A | Discretionary |
| Nov 14, 2020 | WDC | $0 | Option Exercise | 110 | $N/A | Discretionary |
| Nov 14, 2019 | WDC | $0 | Award | 5,756 | $N/A | Discretionary |
| Nov 8, 2019 | WDC | $149.4K | Sale | 2,867 | $52.12 | Discretionary |
| Nov 8, 2019 | WDC | $12.8K | Sale | 243 | $52.73 | Discretionary |
| Nov 7, 2019 | WDC | $0 | Option Exercise | 245 | $N/A | Discretionary |
| Nov 7, 2018 | WDC | $0 | Award | 5,975 | $N/A | Discretionary |
| Nov 5, 2018 | WDC | $80.2K | Sale | 1,681 | $47.68 | Discretionary |
| Nov 2, 2018 | WDC | $0 | Option Exercise | 89 | $N/A | Discretionary |
| May 29, 2018 | MSCC | $0 | Disposition | 17,258 | $N/A | Discretionary |
| May 29, 2018 | MSCC | $0 | Disposition | 3,255 | $N/A | Discretionary |
| Feb 13, 2018 | MSCC | $0 | Award | 3,255 | $N/A | Discretionary |
| Nov 8, 2017 | WDC | $231.6K | Sale | 2,677 | $86.53 | Discretionary |
| Nov 2, 2017 | WDC | $0 | Award | 3,273 | $N/A | Discretionary |
| Nov 1, 2017 | WDC | $0 | Option Exercise | 120 | $N/A | Discretionary |
| Oct 30, 2017 | WDC | $55.8K | Option Exercise | 2,164 | $25.79 | Discretionary |
| Feb 15, 2017 | MSCC | $100.4K | Sale | 1,868 | $53.77 | Discretionary |
| Feb 14, 2017 | MSCC | $0 | Award | 3,572 | $N/A | Discretionary |
| Nov 7, 2016 | WDC | $40.4K | Sale | 700 | $57.74 | Discretionary |
| Nov 7, 2016 | WDC | $84.9K | Sale | 1,487 | $57.11 | Discretionary |
| Nov 4, 2016 | WDC | $0 | Award | 4,998 | $N/A | Discretionary |
| Nov 3, 2016 | WDC | $0 | Option Exercise | 171 | $N/A | Discretionary |
| Feb 11, 2016 | MSCC | $73.1K | Sale | 2,468 | $29.62 | Discretionary |
| Feb 9, 2016 | MSCC | $0 | Award | 4,720 | $N/A | Discretionary |
| Nov 19, 2015 | MSCC | $1.5M | Sale | 40,000 | $36.61 | Discretionary |
| Nov 19, 2015 | MSCC | $1.2M | Option Exercise | 40,000 | $30.68 | Discretionary |