secwatch.observer — SEC 8-K summary
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Issuer:     Klaviyo, Inc. (KVYO)
CIK:        0001835830
Form:       8-K
Filed at:   2025-12-02T23:59:59+00:00
Accession:  0001835830-25-000114
Event type: other_material
Sentiment:  positive
Materiality: 0.70
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Klaviyo reports record BFCM: $3.8B KAV (+27% YoY); 20K customers had best sales day
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- Klaviyo Attributed Value exceeded $3.8B, up 27% YoY; 22.7B messages sent (+25% YoY).
- Nearly 20,000 customers hit their best sales day ever during the five-day BFCM weekend.
- Consumer spending on Klaviyo platform rose 11% YoY even as discount rates fell 10% YoY.
- Revenue from repeat customers grew 13.5% YoY, outpacing new buyer revenue.
- AI-driven product recommendations usage surged 45% YoY; revenue from them up 71% YoY.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1835830/000183583025000114/0001835830-25-000114-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1835830/000183583025000114/kvyo-20251202.htm
  HTML page:      https://secwatch.observer/filing/0001835830-25-000114

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