KVYO 8-K: Q3 2025 earnings press release furnished (Ex. 99.1)

Rhea-AI Filing Summary

Klaviyo, Inc. (KVYO) furnished an 8-K to announce its third-quarter results. On November 5, 2025, the company issued a press release with financial results for the quarter ended September 30, 2025, which is included as Exhibit 99.1.

The information was furnished under Item 2.02 (Results of Operations and Financial Condition) and is expressly stated as furnished—not filed—so it is not subject to Section 18 of the Exchange Act and will not be incorporated by reference unless specifically stated. The filing also includes Exhibit 104 (Cover Page Interactive Data File).

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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Accepted by SEC EDGAR 11/05/2025 - 04:09 PM Learn about SEC filing dates

FALSE000183583000018358302025-11-052025-11-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

___________________________________

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

___________________________________

Date of Report (Date of earliest event reported): November 5, 2025

Klaviyo, Inc.

(Exact name of registrant as specified in its charter)

___________________________________

Delaware (State or other jurisdiction of incorporation or organization)			001-41806 (Commission File Number)			46-0989964 (IRS Employer Identification Number)
125 Summer Street, 6th Floor, Boston, MA						02110
(Address of Principal Executive Offices)						(Zip Code)
(617) 213-1788
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class			Trading Symbol			Name of each exchange on which registered
Series A common stock, par value $0.001 per share			KVYO			New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company    ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 - Results of Operations and Financial Condition

On November 5, 2025, Klaviyo, Inc. issued a press release announcing financial results for the third quarter ended September 30, 2025. A copy of the release is furnished with this report as Exhibit 99.1.

The information in this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 - Financial Statements and Exhibits

(d) The following exhibits are being filed herewith:

Exhibit No.			Description
99.1			Press Release issued by Klaviyo, Inc. dated November 5, 2025
104			Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized on this 5th day of November, 2025.

KLAVIYO, INC.
By:			/s/ Amanda Whalen
Name:			Amanda Whalen
Title:			Chief Financial Officer

FAQ

What did Klaviyo (KVYO) announce in this 8-K?

It furnished a press release with financial results for the quarter ended September 30, 2025, attached as Exhibit 99.1.

Which item of the 8-K applies to Klaviyo’s disclosure?

The disclosure is under Item 2.02 (Results of Operations and Financial Condition).

Is the information in Klaviyo’s 8-K furnished or filed?

It is furnished, not filed, and therefore not subject to Section 18 of the Exchange Act.

What exhibits are included with the 8-K?

The filing includes Exhibit 99.1 (press release dated November 5, 2025) and Exhibit 104 (Cover Page Interactive Data File).

When is the earliest event date for this report?

The earliest event date is November 5, 2025.

Where is Klaviyo’s stock listed and what is its ticker?

Klaviyo’s Series A common stock trades on the NYSE under the ticker KVYO.