• Klaviyo swung to third-quarter net income of $704,000 from a year-earlier loss.
• Revenue rose 25% year-over-year to $387.21 million.
• Customers generating over $250,000 in annual recurring revenue climbed 49% year-over-year to 390.
• The board authorized a new $300 million Series A common stock repurchase program.
• Fourth-quarter revenue is forecast at $421 million to $425 million, representing approximately 21% year-over-year growth.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Klaviyo Inc. published the original content used to generate this news brief via Business Wire (Ref. ID: 202611041605BIZWIRE_USPR_____20261104_BW842771) on November 04, 2026, and is solely responsible for the information contained therein.