---
schema_version: "secwatch.filing_event.v1"
accession: "0001835830-26-000005"
form_type: "8-K"
ticker: "KVYO"
cik: "0001835830"
company_name: "Klaviyo, Inc."
filed_at: "2026-02-10T23:59:59+00:00"
generated_at: "2026-05-16T03:38:57.495996+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Klaviyo Q4 revenue $350.2M (+30% YoY), FY revenue $1.234B (+32%); raises FY2026 outlook

## Summary
- 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.

## SEC filing metadata
- accession: 0001835830-26-000005
- form_type: 8-K
- ticker: KVYO
- cik: 0001835830
- company_name: Klaviyo, Inc.
- filed_at: 2026-02-10T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1835830/000183583026000005/0001835830-26-000005-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1835830/000183583026000005/kvyo-20260210.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001835830-26-000005
- JSON: https://secwatch.observer/filing/0001835830-26-000005.json
- Plain text: https://secwatch.observer/filing/0001835830-26-000005.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.