Fundraising Fox

PromptFoo

San Francisco, US · Founded 2024 · Delaware corporation · 2 known investors

promptfoo.dev ↗

Promptfoo develops security and testing tools for generative AI applications, serving engineering teams building AI products at scale.

AI & Machine LearningCybersecurityDeveloper Toolsin /promptfoo

Founders & leadership

MD
Michael D'AngeloDirector
IW
Ian W WebsterExecutive Officer, Director, Promoter

Investors · 2

Andreessen Horowitz✓ verifiedMenlo Park · $500K – $50M
Insight Partners✓ verifiedNew York · $120M – $350M

Reported raises · per SEC filings

Form D private placements
▶$17.5MraisedJul 2025 · 3 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Michael D'AngeloDirector
  • Ian W WebsterExecutive Officer, Director, Promoter
  • Ganesh BellDirector
Offering amount
$18.4M
Amount sold
$17.5M
First sale
Jul 2025
Incorporated
Corporation, Delaware, 2024
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$5.2MraisedAug 2024 · 7 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Michael D'AngeloDirector
  • Ian W WebsterExecutive Officer, Director, Promoter
Offering amount
$5.3M
Amount sold
$5.2M
First sale
Jun 2024
Incorporated
Corporation, Delaware, 2024
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.