SMWB appoints Ran Vered as Chief Financial Officer on Dec 21, 2025

Rhea-AI Filing Summary

Similarweb Ltd. (SMWB) filed a Form 6-K announcing the appointment of Ran Vered as Chief Financial Officer, effective December 21, 2025. The company furnished a press release titled “Similarweb Names Ran Vered Chief Financial Officer” as Exhibit 99.1.

Exhibit 99.1 is incorporated by reference into Similarweb’s registration statements on Form S-8 (filed on February 27, 2025; February 28, 2024; March 23, 2023; April 15, 2022; and May 20, 2021) and its Form F-3 (filed on May 10, 2024).

FORM 6-K

___________________________

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

___________________________

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2025

Commission File Number: 001-40394

___________________________

Similarweb Ltd.

(Translation of registrant’s name into English)

___________________________

33 Yitzhak Rabin Rd.,

Givatayim 5348303, Israel

(Address of principal executive offices)

___________________________

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F [ X ] Form 40-F [ ]

Explanatory Note

On October 27, 2025, Similarweb Ltd. (“Similarweb” or the “Company”) announced the appointment of Ran Vered as Chief Financial Officer, effective December 21, 2025. The Company issued a press release titled “Similarweb Names Ran Vered Chief Financial Officer”  A copy of the press release is furnished as Exhibit 99.1 herewith.

Exhibit 99.1 is hereby expressly incorporated by reference into the registrant’s registration statements on Form S-8 filed with the Securities and Exchange Commission on February 27, 2025 (File no. 333-285314), February 28, 2024 (File no. 333-277449), on March 23, 2023 (File no. 333-270793), on April 15, 2022 (File no. 333-264307) and on May 20, 2021 (File No. 333-256324) and registration statement on Form F-3 filed with the Securities and Exchange Commission on May 10, 2024 (File no. 333-279295).

Exhibit No.						Description
99.1						Similarweb Names Ran Vered Chief Financial Officer

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SIGNATURES

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.

Similarweb Ltd.

Date: October 27, 2025

By:

/s/ Or Offer

Or Offer Chief Executive Officer

FAQ

What did Similarweb (SMWB) announce on this Form 6-K?

Similarweb announced the appointment of Ran Vered as Chief Financial Officer.

When will the new CFO appointment take effect at Similarweb (SMWB)?

The appointment of Ran Vered as CFO is effective on December 21, 2025.

What supporting document was furnished with the 6-K for SMWB?

A press release titled “Similarweb Names Ran Vered Chief Financial Officer” was furnished as Exhibit 99.1.

Were any registration statements updated by this exhibit for Similarweb (SMWB)?

Yes. Exhibit 99.1 is incorporated by reference into the company’s Form S-8 filings (2021–2025) and its Form F-3 filed on May 10, 2024.

Does this 6-K include financial results for Similarweb (SMWB)?

No. It reports a management appointment and furnishes the related press release.

What is the title of the furnished press release for SMWB?

“Similarweb Names Ran Vered Chief Financial Officer.”