| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
Mellinger Douglas K is a Director at MARA. Recent filings cover 1 purchase and 14 sales. Those positions are worth an estimated $3.7M at current prices.
Our model assigns Mellinger Douglas K a strong insider score of 77/100, based on 14 past trades. Over a 12-month horizon, 70.0% of those trades were profitable, with an average 12-month return of +25.8%.
Mellinger Douglas K's largest disclosed position is in MARA as Director, worth about $3.7M. The recent filings there lean toward selling, a net 12,000 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 7,000 | $16.00 | $112,000.00 | -2.9% | -10.6% | - | |
| Nov 10, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $16.55 | $16,550.00 | -0.6% | -48.3% | - | |
| Oct 7, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $20.71 | $20,710.00 | -0.6% | -47.7% | -48.8% | |
| Sep 10, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $16.10 | $16,100.00 | -0.6% | -22.8% | -27.9% | |
| Aug 7, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $16.21 | $16,210.00 | -0.6% | +7.4% | -36.7% | |
| Jul 7, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $17.42 | $17,420.00 | -0.6% | +22.8% | -28.1% | |
| Jun 6, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $16.00 | $16,000.00 | -0.6% | -4.2% | -21.9% | |
| May 9, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 3,000 | $16.00 | $48,000.00 | -1.7% | +1.2% | -17.9% | |
| Jan 13, 2025 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $17.00 | $17,000.00 | -0.7% | -24.7% | -36.3% | |
| Dec 12, 2024 | MARA Mara Holdings, Inc. | Director | Sell10b5-1 | 1,000 | $23.80 | $23,800.00 | -0.7% | -41.9% | -49.0% |