Bitcoin miner CleanSpark ( NASDAQ: CLSK ) said on Thursday that it has purchased 12,500 new Antminer S19 XP bitcoin mining machines for $40.5M, or $23 per terahash ($/TH). A total of 6,000 of the 12,500 machines are scheduled to be shipped in June, while the remaining 6,500 machines are set to be shipped in August. CLSK shares were trading -0.47% pre-market. Source: Press Release