Form 4: MARA Director Sells Shares Under 10b5-1 Plan

MARA Holdings Director Douglas K. Mellinger sold 1,000 shares of common stock for $20.71 per share under a pre-arranged 10b5-1 trading plan.

Summary

• Douglas K. Mellinger, a Director of MARA Holdings, Inc. (MARA), reported a sale of common stock.
• The transaction involved 1,000 shares of common stock.
• The shares were sold at a price of $20.71 per share.
• The sale occurred on October 7, 2025.
• Following this transaction, Mellinger beneficially owns 171,859 shares of common stock.
• The sale was executed pursuant to a Rule 10b5-1 trading plan adopted on March 6, 2025.

Sentiment

Score: 5

Explanation: Neutral, as this is a routine disclosure of an insider stock sale executed under a pre-arranged 10b5-1 trading plan, which typically indicates a planned liquidity event rather than a change in sentiment about the company's prospects.

Stakeholder Impact

• Minimal impact on shareholders as this is a small, pre-planned sale by a director, not indicative of a significant shift in company outlook or financial health.

Key Dates

Recommendation

The filing reports a routine, pre-planned sale of a small number of shares by a director, which does not provide sufficient new information to alter an existing investment thesis or warrant a change in recommendation.

Keywords

MARA Holdings, Douglas K. Mellinger, Form 4, Insider Trading, Stock Sale, 10b5-1 Plan, Director Transaction, Equity Disclosure