Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events

Subsequent Events
6 Months Ended
Jun. 30, 2018
Subsequent Events [Abstract]  
Subsequent Events
Stock Repurchase Program
In July 2018, the Company repurchased 400,597 shares for a total cost of approximately $5.0 million. As of August 1, 2018, the Company has repurchased an aggregate of 10.5 million shares for a total cost of $110.0 million, and had $90.0 million available under the share repurchase program.
Sale of Mammoth Energy Common Stock
In connection with the Company's public offering of a portion of its shares of Mammoth Energy common stock in June 2018, the Company granted the underwriters an option to purchase additional shares of its Mammoth Energy common stock. On July 26, 2018, the underwriters exercised this option, in part, and on July 30, 2018, the Company sold an additional 118,974 shares for approximately $4.5 million.