APPENDIX A — SOURCES & VERIFICATION

✓ quote found in the source and judged supporting by an independent checker · ~ partially supported

1. Crustdata company record: PostHog · Crustdata company database · fetched via crustdata
   • ✓ PostHog was founded in 2020.
   • ✓ PostHog's headquarters is in San Francisco, California, United States.
   • ✓ PostHog has an employee count of 224 according to Crustdata.
   • ✓ PostHog has raised a total of $182,150,000 USD in funding.
   • ✓ PostHog's last funding round was a Series E of $75,000,000 USD on September 29, 2025.
2. About PostHog · posthog.com · fetched via crustdata-web
   • ✓ James Hawkins and Tim Glaser serve as Co-CEOs and Co-founders of PostHog.
3. History of PostHog - Hogpedia · posthog.com · fetched via crustdata-web
   • ✓ PostHog was co-founded by James Hawkins and Tim Glaser.
4. "E"xciting news · posthog.com · fetched via crustdata-web
   • ✓ PostHog raised a Series E of $75M at a $1.4B valuation, led by Peak XV Partners.
5. Culture - Handbook - PostHog · posthog.com · fetched via crustdata-web
   • ✓ PostHog's team is 100% remote and distributed across more than 20 countries.

Rejected claims (kept out of the memo)

• None — every extracted claim passed.

Skeptic reviews

1. Round 1: needs work
   • [q1] Core product lineup, pricing tiers, and open‑source licensing model are not supported by any cited source → Search PostHog's official product pages, pricing page, and open‑source repository/license documentation for details on analytics, feature flags, session replay, and pricing structure
   • [q5] Key traction metrics such as ARR, total customer count, and profitability status lack any source; only employee headcount is verified → Find recent financial or investor deck, Crunchbase, PitchBook, or reputable news articles that disclose PostHog's ARR, number of paying customers, and profit/loss status
   • [q6] Competitor landscape and claimed moat are unsupported by evidence → Identify analyst reports, market research (e.g., G2, Gartner, Forrester) or credible articles that list PostHog's main competitors in analytics, feature flags, and session replay and discuss differentiation
   • [q7] No sources provided for product launches, corporate announcements, or executive changes in the last 12 months; information may be outdated → Review PostHog blog, press releases, and news coverage from the past year to capture any new product releases, funding updates, or leadership moves
2. Round 2: needs work
   • [q1] Core product list, pricing tiers, and open‑source business model are not substantiated; only a single vague claim exists. → Search PostHog product pages, pricing docs, and recent blog posts for a detailed breakdown of analytics, feature flags, session replay, and open‑source licensing model.
   • [q6] Competitor landscape and moat are unverified; no sources cited. → Identify and cite recent analyst reports, market maps, or competitive comparison blogs that list primary competitors in product analytics, feature flags, and session replay, and describe PostHog's differentiators.
   • [q7] Significant product launches, announcements, or exec changes in the last 12 months lack evidence; could be outdated. → Search news releases, PostHog blog, and Crunchbase for any product releases, acquisitions, or leadership updates from Oct 2025‑Oct 2026.
   • [q8] Operational, legal, security, or customer‑satisfaction risk claims are missing; no sources provided. → Look for any public incident reports, security audits, customer complaint forums, or legal filings related to PostHog to assess risk profile.

Agent run log

neatlogs trace: not exported