Marillyn A. Hewson serves as Executive at DUPONT E I DE NEMOURS & CO, where they oversee executive responsibilities. Since joining the company, Marillyn A. Hewson has executed 151 insider transactions totaling $86.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 18, 2025 involved receiving (via award) 59 shares valued at $0.
Marillyn A. Hewson currently holds 59 shares of DUPONT E I DE NEMOURS & CO (DD), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Marillyn A. Hewson has been a net seller of DD stock. They have purchased $820.9K and sold $85.6M worth of shares.
Marillyn A. Hewson's most recent insider trade was on Jul 18, 2025, when they sold 59 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| May 31, 2023 | CVX | $0 | Award | 1,534 | $N/A | Discretionary |
| May 25, 2022 | CVX | $0 | Award | 1,303 | $N/A | Discretionary |
| May 26, 2021 | CVX | $0 | Award | 2,166 | $N/A | Discretionary |
| Feb 22, 2021 | LMT | $0 | Option Exercise | 9,926 | $N/A | Discretionary |
| Feb 22, 2021 | LMT | $0 | Award | 31,792 | $N/A | Discretionary |
| Feb 22, 2021 | LMT | $5.5M | Payment | 16,184 | $340.47 | Discretionary |
| Feb 18, 2021 | CVX | $304.7K | Purchase | 3,200 | $95.21 | Discretionary |
| Jan 1, 2021 | CVX | $0 | Award | 1,061 | $N/A | Discretionary |
| Dec 4, 2020 | LMT | $0 | Option Exercise | 437 | $N/A | Discretionary |
| Dec 4, 2020 | LMT | $160.2K | Payment | 437 | $366.61 | Discretionary |
| Jan 29, 2020 | LMT | $2.3M | Sale | 5,309 | $437.22 | Discretionary |
| Jan 29, 2020 | LMT | $4.1M | Sale | 9,388 | $435.36 | Discretionary |
| Jan 29, 2020 | LMT | $3.2M | Sale | 7,303 | $436.31 | Discretionary |
| Jan 26, 2020 | LMT | $0 | Option Exercise | 13,396 | $N/A | Discretionary |
| Jan 26, 2020 | LMT | $17.0M | Award | 39,280 | $432.50 | Discretionary |
| Jan 26, 2020 | LMT | $10.1M | Payment | 23,442 | $432.50 | Discretionary |
| Dec 6, 2019 | LMT | $0 | Option Exercise | 579 | $N/A | Discretionary |
| Dec 6, 2019 | LMT | $224.0K | Payment | 579 | $386.86 | Discretionary |
| Jul 25, 2019 | LMT | $1.6M | Sale | 4,227 | $369.91 | Discretionary |
| Jul 25, 2019 | LMT | $2.0M | Sale | 5,473 | $368.28 | Discretionary |
| Jul 25, 2019 | LMT | $3.6M | Sale | 9,800 | $369.28 | Discretionary |
| Jun 11, 2019 | JNJ | $419.0K | Purchase | 3,000 | $139.68 | Discretionary |
| Feb 26, 2019 | LMT | $10.5M | Sale | 34,395 | $306.22 | Discretionary |
| Feb 26, 2019 | LMT | $4.7M | Option Exercise | 59,434 | $79.60 | Discretionary |
| Feb 26, 2019 | LMT | $277.2K | Sale | 900 | $307.95 | Discretionary |
| Feb 26, 2019 | LMT | $7.4M | Sale | 24,139 | $307.07 | Discretionary |
| Jan 28, 2019 | LMT | $0 | Option Exercise | 16,005 | $N/A | Discretionary |
| Jan 28, 2019 | LMT | $10.9M | Award | 37,753 | $287.87 | Discretionary |