Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 433

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 433
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 also the founder, Chief Executive Officer, President and Chairman of the Board of Directors of Churchill Capital Corp III, a blank check company formed in 2019. Churchill Capital Corp III merged with Claritev Inc. (f/k/a MultiPlan, Inc.), in October 2020, and Mr. Klein currently serves on the board of directors of Claritev. Mr. Klein was also the founder, Chief Executive Officer, President and Chairman of the Board of Directors of Churchill Capital Corp IV, a blank check company formed in 2020. Churchill Capital Corp IV merged with Lucid Group, Inc. in July 2021. Mr. Klein was also previously the Chief Executive Officer, President and Chairman of the Board of Directors of Churchill Capital Corp V, a blank check company whose sponsor is an affiliate of MKA, from its initial public offering until November 2023, Chief Executive Officer, President and Chairman of the Board of Directors of Churchill Capital Corp VI, a blank check company whose sponsor is an affiliate of MKA, from its initial public

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offering until December 2023 and Churchill Capital Corp VII, a blank check company whose sponsor is an affiliate of MKA, until August 2024.

Mr. Klein founded and became Chief Executive Officer and Chairman of the Board of Directors of AltC Acquisition Corp., a blank check company formed in 2021. AltC Acquisition Corp. merged with Oklo, Inc. in July 2023. Mr. Klein currently serves as a member of the board of directors of Oklo Inc. Mr. Klein is the founder and managing partner of M. Klein and Company, LLC, which he founded in 2012. M. Klein and Company, LLC is a global strategic advisory firm that provides its clients with a variety of advice tailored to their objectives. Mr. Klein is a strategic advisor to global companies, boards of directors, senior executives, governments and institutional investors. Mr. Klein’s background in strategic advisory work was built during his 30-year career, including more than two decades at Citi and its predecessors, during which he initiated and executed strategic advisory transactions. He began his career as an investment banker in the M&A Advisory Group at Salomon Smith Barney and subsequently became Chairman and Co-Chief Executive Officer of Citi Markets and Banking, with responsibilities for global corporate and investment banking and Global Transaction Services across Citi. Mr. Klein is a graduate of The Wharton School of the University of Pennsylvania, where he earned his Bachelor