Shares of MARA Holdings Inc (NASDAQ: MARA) have surged in after-hours trading following the release of their fourth-quarter results and the announcement of an agreement to convert facilities into digital infrastructure sites. The company reported fourth-quarter revenue of $202.3 million, falling short of analyst expectations of $257.46 million. Additionally, MARA reported a loss of $4.52 per share for the fourth quarter, missing analyst estimates of a loss of 30 cents per share. Despite these figures, MARA stated that it successfully mined 2,011 Bitcoin during this period.