Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: MARA Holdings Inc., 3 years.
MARA Holdings Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
MARA Holdings Inc. June 18, 202690.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 22, 2026 | MARA Holdings Inc. | Open-market sale | −7,000 | $16.00 | $112,000 |
| Feb 13, 2026 | MARA Holdings Inc. | Grant or award | +82,759 | — | — |
| Nov 10, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $16.55 | $16,550 |
| Oct 7, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $20.71 | $20,710 |
| Sep 10, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $16.10 | $16,100 |
| Aug 7, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $16.21 | $16,210 |
| Jul 7, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $17.42 | $17,420 |
| Jun 6, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $16.00 | $16,000 |
| May 9, 2025 | MARA Holdings Inc. | Open-market sale | −3,000 | $16.00 | $48,000 |
| Feb 28, 2025 | MARA Holdings Inc. | Grant or award | +43,103 | — | — |
| Jan 13, 2025 | MARA Holdings Inc. | Open-market sale | −1,000 | $17.00 | $17,000 |
| Dec 12, 2024 | MARA Holdings Inc. | Open-market sale | −1,000 | $23.80 | $23,800 |
| Nov 12, 2024 | MARA Holdings Inc. | Open-market sale | −1,000 | $24.06 | $24,060 |
| Oct 14, 2024 | MARA Holdings Inc. | Open-market sale | −1,000 | $16.77 | $16,770 |
| Sep 12, 2024 | MARA Holdings Inc. | Open-market sale | −1,000 | $16.00 | $16,000 |
Questions about Douglas K. Mellinger
What boards is Douglas K. Mellinger on?
Douglas K. Mellinger sits on the board of MARA Holdings Inc.
How long has Douglas K. Mellinger served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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