Douglas K. Mellinger serves as Executive at MARATHON DIGITAL HOLDINGS, INC., where they oversee executive responsibilities. Since joining the company, Douglas K. Mellinger has executed 14 insider transactions totaling $295.3K, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 10, 2025 involved selling 1,000 shares valued at $16.6K.
Douglas K. Mellinger currently holds 170,859 shares of MARATHON DIGITAL HOLDINGS, INC. (MARA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Douglas K. Mellinger has been a net seller of MARA stock. They have purchased $103.8K and sold $191.5K worth of shares.
Douglas K. Mellinger's most recent insider trade was on Nov 10, 2025, when they sold 1,000 shares at $16.55 per share.
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| $20.71 |
| Discretionary |
| Sep 10, 2025 | MARA | $16.1K | Sale | 1,000 | $16.10 | Discretionary |
| Aug 7, 2025 | MARA | $16.2K | Sale | 1,000 | $16.21 | Discretionary |
| Jul 7, 2025 | MARA | $17.4K | Sale | 1,000 | $17.42 | Discretionary |
| Sep 12, 2024 | MARA | $16.0K | Sale | 1,000 | $16.00 | Planned |
| Aug 12, 2024 | MARA | $16.1K | Sale | 1,000 | $16.05 | Planned |
| May 1, 2024 | MARA | $0 | Award | 28,887 | $N/A | Discretionary |
| Jan 31, 2024 | MARA | $0 | Award | 62,317 | $N/A | Discretionary |
| Feb 3, 2023 | MARA | $72.5K | Sale | 10,000 | $7.25 | Discretionary |
| Jan 16, 2023 | MARA | $250.0K | Conversion | 32,552 | $7.68 | Discretionary |
| Dec 28, 2022 | MARA | $32.7K | Purchase | 10,000 | $3.27 | Discretionary |
| Dec 28, 2022 | MARA | $32.7K | Purchase | 10,000 | $3.27 | Discretionary |
| Dec 19, 2022 | MARA | $38.4K | Purchase | 10,000 | $3.84 | Discretionary |