Key facts
as of Sep 2026- Proofpoint’s last known valuation is $12.3B (Aug 2021).
- It has raised $8.9B across 1 recorded rounds; the latest was Buyout/LBO ($12.3B) in Aug 2021.
- Notable investors include Thoma Bravo, Glynn Capital, Inflection Ventures (New York), Alberta Investment Management.
- 1 institutional filer reports fund marks on Proofpoint across 10 filings.
- Status: Privately Held (backing).
PA Mark — composite indicative price
LOW confidence~$1per share
as of Sep 2026 · the exact daily mark is a member feature
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- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 4 names
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Recorded secondary trades
No prints on record
No secondary trades in Proofpoint shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
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Institutional fund marks
1 filers · latest Apr 20261 SEC-registered fund reported 10 fair-value marks on Proofpoint between Apr 2025 and Apr 2026. Filer-level marks and implied $/share are available to Pro members.
Funding rounds
1 roundsAug 2021Buyout/LBO$12.3B▮
About Proofpoint
Developer of cybersecurity and compliance software intended for mid and large-sized organizations. The company's platform includes threat protection, incident response, regulatory compliance, archiving, governance, and other features, thus enabling its users to get protection on various channels including email, the web, the cloud, and social media.
- Industry
- Network Management Software
- Sector
- Information Technology
- HQ
- Sunnyvale, CA, United States
- Founded
- 2002
- Employees
- 5,000
- Website
- proofpoint.com/
- Ownership
- Privately Held (backing)