Kirkland Advises Thoma Bravo Portfolio Company, Proofpoint, on Definitive Agreement to Acquire Tessian

Kirkland & Ellis advised Thoma Bravo’s portfolio company, Proofpoint, a cybersecurity and compliance company, on entering into a definitive agreement to acquire Tessian, a cloud email security platform that protects organisations against advanced threats and data loss on email. The acquisition is expected to close in late 2023 to early 2024, subject to customary closing conditions, including any required regulatory approvals.

The Kirkland team was led by corporate partners Vincent Bergin, Peter Stach, Andrew Struckmeyer, David Higgins, Corey Fox and Bradley Reed and associates Shaun Chung, Ece Osman, Lili Crawshaw, Meredith Bennett, Olivia Castor, Jack Evans and Diana Soriano; technology & IP transactions partner John Patten and associates Stephen Coudounaris and Justin Garfinkle; tax partner Peter Abbott and associate Maria Clezy; antitrust & competition partner Matthew Sinclair-Thomson; debt finance partner Kirsteen Nicol and associates Adrian Kilercioglu and Igor Musienko; executive compensation partners Katherine Nemeth and Michael Falk and associate Alexis March; employment & labor partners Sydney Jones and Jackson Phinney and associate Paul Vasiloff; and employee benefits associate Annika Morin.