Klaviyo, Inc.

For the period ended Sep 30, 2026. Filed Nov 4, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 4, 2026

KVYO$20.43-1.9%Stored close · as of Nov 10, 2026

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Contents

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused the report to be signed on its behalf by the undersigned, thereunto duly authorized.

			KLAVIYO, INC.
Dated: November 4, 2026	By:	/s/ Andrew Bialecki
			Name:	Andrew Bialecki
			Title:	Co-Chief Executive Officer (Principal Executive Officer)
Dated: November 4, 2026	By:	/s/ Luciano Fernández Gomez
			Name:	Luciano Fernández Gomez
			Title:	Co-Chief Executive Officer (Principal Executive Officer)
Dated: November 4, 2026	By:	/s/ Erica Smith
			Name:	Erica Smith
			Title:	Chief Financial Officer (Principal Financial and Accounting Officer)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.