Claritev Corp (Nasdaq: MPLN), formerly known as MultiPlan Corporation, became a public company in 2020 through a merger with Churchill Capital Corp III, a blank-check vehicle sponsored by Churchill Capital. The company operates in the healthcare data analytics and cost management sector, offering payment accuracy, network solutions, and analytics services to insurers and other healthcare payers across the United States. In 2024, the company rebranded from MultiPlan to Claritev Corp. On March 20, 2026, Claritev filed a DEFA14A — definitive additional proxy materials — with the SEC as part of its ongoing shareholder communication process. Sign up at SpacDesk for full filing history, sponsor profiles, and deal analytics on Claritev and thousands of other SPAC transactions.