Thoma Bravo-owned cybersecurity company Proofpoint has agreed to buy data security firm Varonis
Thoma Bravo Portfolio Company Proofpoint Agrees to Acquire Varonis Systems for $6.3 Billion
Thoma Bravo-owned cybersecurity company Proofpoint has agreed to buy data security firm Varonis Systems in an all-cash deal valued at about $6.3 billion, Reuters reported on October 15, 2026. The transaction values Varonis’ equity at $5.71 billion, offering shareholders $49.75 per share in cash.
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The Tech TL;DR:
- Proofpoint is acquiring Varonis Systems in a $6.3 billion all-cash transaction expected to close in the first half of 2027.
- The offer provides Varonis shareholders $49.75 per share, representing a 52 percent premium over the June 22, 2026, closing price before sale speculation began.
- The combined company intends to integrate data protection, identity tracking, and AI security features across a unified enterprise platform.
Varonis Shareholders Receive $49.75 per Share
Under the terms of the definitive agreement announced on October 15, 2026, Varonis shareholders will receive $49.75 per share in cash. This purchase price marks a 52 percent premium to Varonis’ closing stock price of $32.71 on June 22, 2026, which was the final full trading day before initial market rumors regarding a potential sale surfaced. The offer represents a 17 percent premium over the company's closing stock price of $42.35 on September 1, 2026, ahead of additional media reports speculating about a buyout. The transaction values Varonis at approximately 53 times last twelve months free cash flow and 8.4 times last twelve months revenue. Following the announcement, Varonis shares rose about 2.7 percent in extended trading.
Varonis Joins Proofpoint to Secure Artificial Intelligence
The acquisition arrives as businesses accelerate enterprise spending on cybersecurity infrastructure to mitigate cybercrime risks amplified by artificial intelligence. Miami-based Varonis provides digital security services that include data classification on cloud storage systems and continuous employee behavior tracking. Yaki Faitelson, co-founder, CEO, and Chairman of the Board of Directors at Varonis, stated that their mission is to secure artificial intelligence and the data that powers it, adding that joining forces with Proofpoint accelerates that objective. Sumit Dhawan, CEO of Proofpoint, emphasized that connecting enterprise communications, identities, permissions, data, and artificial intelligence establishes an intelligence advantage for customers facing emerging risks.
Deal Expects to Close in First Half of 2027
The deal has secured unanimous approval from the Varonis Board of Directors and is expected to close in the first half of 2027, pending customary closing conditions, regulatory clearances, and approval by Varonis shareholders. Thoma Bravo is funding the purchase through committed equity and secured debt financing commitments, alongside a concurrent investment in Proofpoint by the Ontario Teachers’ Pension Plan. Financial advisory responsibilities for the transaction involved Goldman Sachs & Co advising Varonis, while BofA Securities, Morgan Stanley & Co, J.P. Morgan Securities, UBS Securities, and Mizuho Securities USA advised Proofpoint. Ahead of the acquisition’s closing phases, Varonis announced it will release its financial results for the third quarter on November 3, 2026, though management will not host a corresponding earnings conference call.
Disclaimer: The technical analyses and security protocols detailed in this article are for informational purposes only. Always consult with certified IT and cybersecurity professionals before altering enterprise networks or handling sensitive data.

More on Thoma Bravo
BREAKING NEWS: THOMA BRAVO'S PROOFPOINT TO BUY VARONIS SYSTEMS IN $6.3 BILLION ALL-CASH DEAL• Proofpoint, owned by Thoma Bravo, agreed to acquire Varonis Systems.• The all-cash transaction is valued at $6.3 billion.SOURCE: REUTERS
$VRNS Varonis Systems to Be Acquired by Thoma Bravo-Backed Proofpoint for $49.75/Share in All-Cash Transaction Valued at $6.3B — via STN Newsfeed https://t.co/yma0a380jS