Rain Enhancement Technologies Holdco, Inc. announced the completion of a business combination with Coliseum Acquisition Corp and related entities. This deal merged Rain Enhancement Technologies, Inc. (RET) and Coliseum, resulting in RET and its subsidiaries becoming wholly-owned by the combined entity now known as Rain Enhancement Technologies Holdco, Inc. (Holdco). On December 31, 2024, Holdco closed on $700,000 of private investment in public equity (PIPE) and anticipates closing on an additional $650,000 following the merger. Noteworthy figures mentioned in the text include Harry You, Paul Dacier, Lyman Dickerson, Niccolo de Masi, Christopher Riley, Randy Seidl, and Alexandra Steele among others.