---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-026256"
form_type: "8-K"
ticker: "KVYO"
cik: "0001835830"
company_name: "Klaviyo, Inc."
filed_at: "2025-05-16T23:59:59+00:00"
generated_at: "2026-05-21T03:35:04.726965+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# CEO Andrew Bialecki prices secondary offering of 10.97M shares at $34, plans additional 8M share sale via 10b5-1 plan

## Summary
- CEO Bialecki sold 10,969,078 shares at $34 per share in secondary offering; no proceeds to Klaviyo.
- Offering proceeds used to satisfy tax obligations from exercise of 21.4M shares of Series B options expiring in 2025.
- After offering, Bialecki will adopt 10b5-1 plan to sell up to 8M shares (8.1% of beneficial ownership) through May 2026.
- Goldman Sachs and Morgan Stanley acted as joint lead bookrunners for the offering.
- Bialecki has not sold any shares since IPO in Sept 2023; annual salary remains $75,000 with no bonus or equity.

## SEC filing metadata
- accession: 0001628280-25-026256
- form_type: 8-K
- ticker: KVYO
- cik: 0001835830
- company_name: Klaviyo, Inc.
- filed_at: 2025-05-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1835830/000162828025026256/0001628280-25-026256-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1835830/000162828025026256/kvyo-20250513.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-026256
- JSON: https://secwatch.observer/filing/0001628280-25-026256.json
- Plain text: https://secwatch.observer/filing/0001628280-25-026256.txt

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