Proofpoint ended its run as an independent company with its acquisition by Thoma Bravo Cybersecurity company focused on email security. Its last valuation is $12.3B, an acquisition price figure. The equity is no longer independently traded.
One company valuation: $12.3B (acquisition price).
Thoma BravoProofpoint is a Sunnyvale-based cybersecurity company providing software as a service for email security, identity threat defense, data loss prevention, electronic discovery and email archiving. It was founded in July 2002 by Eric Hahn, former CTO of Netscape Communications, and launched its Proofpoint Protection Server for medium and large businesses.
The company went public in 2012 and became the first SaaS-based cybersecurity and compliance company to surpass $1 billion in revenue by 2020. In 2021 private equity firm Thoma Bravo acquired Proofpoint for $12.3 billion in what was described as the largest go-private software deal in history, and in 2025 the company acquired Hornetsecurity to expand its email-security group.
Listed funds carry late-stage private names. A fund's latest schedule of investments shows whether it holds Proofpoint.
Often trade at a premium or discount to NAV.
Platforms match existing holders with buyers. Proofpoint availability at any moment is set by the holders.
High minimums, transfer approval, company right-of-first-refusal.
Valuations, rounds and IPO status for every company in the directory — Proofpoint included.
Lead investors for each round are in the funding timeline.
The closest cybersecurity peers are on the competitors page.
The routes section explains what is realistically available for a company at this stage.
No. Proofpoint was acquired by Thoma Bravo Cybersecurity company focused on email security; its shares do not trade independently.
Perpetual markets for stocks, gold, indices and pre-IPO names — settled on-chain, no wallet-to-exchange transfers.
