Home Mergers and Acquisitions ManTech and Carlyle Group Close $4.2B Deal Mergers and AcquisitionsNewsTransactions ManTech and Carlyle Group Close $4.2B Deal September 19, 2022 18 Share FacebookLinkedinTwitter Alfa Photo| Shutterstock You must be a Paid or Free Trial Member to Access this Content. Paid members, please login to view your news subscription(s). More at Washington Technology -- This article may be behind a paywall RELATED ARTICLESMORE FROM AUTHOR Compliance Whistleblowers – A Powerful Antidote to Private Equity Abuses Expert Opinion Increased Scrutiny of Government Contractor M&A Deals Likely on the Horizon Claims Government Claimed Stock Sale Meant It Was No Longer in Privity with Contractor. CBCA Said Government Needed to Settle Down.