Form 4 Filing for Mark Lawrence Plaumann

Mark Lawrence Plaumann, a director at MAMMOTH ENERGY SERVICES, INC., acquired 5,000 shares of common stock on September 16, 2026. The shares were purchased at a weighted average price of $3.00 per share. Following this transaction, Mr. Plaumann directly owns 5,000 shares. Of the acquired shares, 2,100 are held in a Roth IRA and 2,900 are held in a traditional IRA, both for his benefit. The price reported is a weighted average, and the reporting person will provide detailed information on individual purchase prices upon request.