SIRI SIRIUS XM HOLDINGS INC Company Mergers 8-K Filing 2023 - Split-off and Merger Sirius XM Holdings Inc. entered into definitive agreements for a split-off and merger with Liberty Sirius XM Holdings Inc., resulting in the formation of a new company named Sirius XM Holdings Inc.Get access to all SEC 8-K filings of the SIRIUS XM HOLDINGS INC