D. E. Shaw & Co. Reports New 5.0% Passive Stake in CleanSpark, Inc. (CLSK)

On July 17, 2026, D. E. Shaw & Co., L.P., D. E. Shaw & Co., L.L.C., and David E. Shaw filed a Schedule 13G regarding their holdings in CleanSpark, Inc. (CLSK). The filing reports a combined beneficial ownership of 12,859,115 shares of common stock, representing 5.0% of the class. This position includes 1,117,500 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through call options. The shares are held across several entities, including D. E. Shaw Valence Portfolios, D. E. Shaw Oculus Portfolios, D. E. Shaw Cogence Portfolios, and D. E. Shaw Investment Management. David E. Shaw disclaims beneficial ownership of these shares except to the extent of his pecuniary interest. The filing indicates that the securities were acquired in the ordinary course of business and not for the purpose of influencing or changing control of the issuer. The event triggering this filing occurred on July 10, 2026, marking a significant increase from a previous 0% ownership level.