Thoma Bravo is acquiring Medallia Inc. (NYSE: MDLA) for $6.4 Billion. The deal follows Thoma Bravo’s recent plans to buy Stamps.com for $6.6 billion and Proofpoint for $12.3 billion.

Medallia is a customer experience software firm that uses artificial intelligence to create predictive insights for businesses. “Medallia has positioned itself at the forefront of the experience management market with a best-in-class SaaS platform that leverages proprietary AI to help companies better understand their customers and employees and drive meaningful business growth at scale,” says Scott Crabill, a managing partner at Thoma Bravo.

Morgan Stanley & Co., BofA Securities, Wells Fargo Securities and Wilson Sonsini Goodrich & Rosati, Professional Corp. are advising Medallia. Kirkland & Ellis LLP is serving as legal advisor to Thoma Bravo. Debt financing for the transaction is being provided by Blackstone Credit, Apollo Capital Management, L.P., KKR Credit, Thoma Bravo Credit and Antares Capital.