secwatch.observer — SEC 8-K summary
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Issuer:     Klaviyo, Inc. (KVYO)
CIK:        0001835830
Form:       8-K
Filed at:   2026-02-10T23:59:59+00:00
Accession:  0001835830-26-000005
Event type: earnings
Sentiment:  positive
Materiality: 0.75
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Klaviyo Q4 revenue $350.2M (+30% YoY), FY revenue $1.234B (+32%); raises FY2026 outlook
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- Full-year 2025 revenue $1.234B (+32% YoY); non-GAAP operating income $169.2M (14% margin).
- Q4 non-GAAP operating income $51.0M (15% margin); free cash flow $87.4M in Q4, $200.4M FY.
- FY2026 revenue guidance $1.501-1.509B (21.5-22.5% YoY growth); non-GAAP op. income $218-224M.
- Customers over $50k ARR grew 37% to 3,912; over $1M ARR customers doubled YoY; NRR 110%.
- International revenue growth 42% in FY25 outside Americas; customer base exceeds 193,000.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1835830/000183583026000005/0001835830-26-000005-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1835830/000183583026000005/kvyo-20260210.htm
  HTML page:      https://secwatch.observer/filing/0001835830-26-000005

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer