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Add-on·Software/Cybersecurity·October 15, 2026

Thoma Bravo-Backed Proofpoint Agrees to Acquire Varonis

The $6.3 billion agreement is expected to close in the first half of 2027, subject to shareholder and regulatory approvals.

Corrections and updates

  1. Corrected original announcement date and pending agreement wording from issuer release.Supporting source ↗

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BuyerProofpoint
TargetVaronis Systems
SponsorThoma Bravo
TypeAdd-on
IndustrySoftware
Sub-sectorCybersecurity

Thoma Bravo-backed Proofpoint has agreed to acquire Varonis in an all-cash transaction valued at approximately $6.3 billion. Varonis develops data and AI security software.

The transaction is expected to close in the first half of 2027, subject to shareholder and regulatory approvals. Until closing, the companies will operate separately.