Klaviyo is trading 5.1% down at $18.24 after reversing part of its 11.42% gain on August 13, 2026; no direct catalyst for the August 14 decline was identified.
- No new company-specific announcement or filing explaining the August 14 decline was identified.
- Recent investor concerns remain focused on lower operating-margin guidance, Agency acquisition costs, declining gross margins, and slower Q3 growth.
- Available reporting does not establish those factors as today’s direct catalyst.