SCHEDULE 13G/A

Klaviyo Inc

Series A Common Stock, $0.01 · CUSIP: 49845K101

Event date: 2025-03-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Accomplice Fund I, L.P.

  Shares: 11,114,110.00 · Class: 10.5%

• Accomplice Associates I, LLC

  Shares: 11,114,110.00 · Class: 10.5%

• Jeff Fagnan

  Shares: 11,137,154.00 · Class: 10.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.