CLSK ▲ +3.7% - CleanSpark, Inc. $CLSK - CleanSpark, Inc. Announces Proposed Offering of $2.227 Billion of Senior Secured Notes CleanSpark announced a proposed offering of $2.227 billion in senior secured notes, a significant capital raise that likely signals expansion plans or debt refinancing, driving the stock up 3.7% today. The large offering size suggests investor confidence in the company's ability to service additional debt, which may have supported the positive market reaction. 17-SEP-2026 07:31 AM ET