AMANDA WHALEN plan to sell securities of KLAVIYO INC under Form 144

AMANDA WHALEN filed Form 144 to notify SEC of plan to sell 42000 units of KLAVIYO INC securities around 2026-06-18, with aggregate market value of $565,320.00. The total outstanding units is 140897018.0. The amount planned to be sold represents 0.03% of total outstanding units; Recent transactions in past 3 months include: On 05/14/2026, sold 14000 units for $199644.20; On 04/16/2026, sold 14000 units for $259548.80;