Joseph del Preto - 10 Apr 2026 Form 3 Insider Report for SIMILARWEB LTD. (SMWB)

Reporting relationship: Director
Issuer ticker: SMWB
Reported as of: 10 Apr 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 10 Apr 2026, 06:36:45 UTC
Prior SEC filing: 25 Mar 2026
Next SEC filing: 11 May 2026
Source filing: View source filing
Reporting owner signature: Joseph Michael Del Preto by: Oppenheimer Israel, as Attorney-in-fact

Key filing fact

Joseph del Preto filed Form 3 for SIMILARWEB LTD. (SMWB) on 10 Apr 2026.

Key facts

This page summarizes Joseph del Preto's Form 3 filing for SIMILARWEB LTD. (SMWB).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 10 Apr 2026, 06:36.

Change

Previous filing in this sequence was filed on 25 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001372274 Primary reporting owner

Del Preto Joseph

Relationship: Director
Address: 600 WEST CHICAGO AVENUE, SUITE 850, CHICAGO
Signature: Joseph Michael Del Preto by: Oppenheimer Israel, as Attorney-in-fact
Signature date: 10 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SMWB holding

Restricted Share Units, each representing one Ordinary Share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,000
Date: 10 Apr 2026
Ownership: Direct
Footnotes: F1

SMWB holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 37,142
Date: 10 Apr 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The Reporting Person was granted restricted stock units ("RSUs"), which each represent a contingent right to receive one share of ordinary stock of Similarweb Ltd (the "Company"). The RSUs vest in 1 year installment with the first vesting date on 02/15/2027 subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.

SEC remarks

This Form 3 has been filed after March 18, 2026 but prior to April 20, 2026 in reliance on the temporary relief made available to the directors and officers of certain foreign private issuers by the Staff of the Securities and Exchange Commission in its no action letter dated March 13, 2026.