Key facts
- This page summarizes Benjamin Seror's Form 3 filing for SIMILARWEB LTD. (SMWB).
- 0 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 26 Mar 2026, 08:06.
Benjamin Seror - 26 Mar 2026 Form 3 Insider Report for SIMILARWEB LTD. (SMWB)
- Reporting relationship
- Director
- Issuer ticker
- SMWB
- Reported as of
- 26 Mar 2026
- Net transaction value
- $0
- Reporting owner signature
- Benjamin Seror by: Oppenheimer Israel, as Attorney-in-fact
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
Benjamin Seror filed Form 3 for SIMILARWEB LTD. (SMWB) on 26 Mar 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- 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
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reporting Owners (1)
CIK 0001969639
Primary reporting owner
Seror Benjamin
- Relationship
- Director
- Address
- C/O 33 YITZHAK RABIN RD., GIVATAYIM
- Signature
- Benjamin Seror by: Oppenheimer Israel, as Attorney-in-fact
- Signature date
- 26 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SMWB
holding
Ordinary Shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 316,250
- Date
- 26 Mar 2026
- Ownership
- Direct
SMWB
holding
Restricted Share Units, each representing one Ordinary Share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 18,750
- Date
- 26 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
SMWB
holding
Restricted Share Units, each representing one Ordinary Share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 40,000
- Date
- 26 Mar 2026
- Ownership
- Direct
- Footnotes
- F2
SMWB
holding
Restricted Share Units, each representing one Ordinary Share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 60,000
- Date
- 26 Mar 2026
- Ownership
- Direct
- Footnotes
- F3
SMWB
holding
Restricted Share Units, each representing one Ordinary Share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 80,000
- Date
- 26 Mar 2026
- Ownership
- Direct
- Footnotes
- F4
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
SMWB
holding
Derivative
Options to purchase one Ordinary Share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 26 Mar 2026
- Ownership
- Direct
- Underlying class
- Ordinary shares, par value NIS 0.01 per share
- Underlying amount
- 18,750
- Exercise price
- $2.38
- Footnotes
- F5
SMWB
holding
Derivative
Options to purchase one Ordinary Share
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 26 Mar 2026
- Ownership
- Direct
- Underlying class
- Ordinary shares, par value NIS 0.01 per share
- Underlying amount
- 231,250
- Exercise price
- $3.04
- Footnotes
- F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
The Reporting Person was granted restricted stock units ("RSUs"), which each represent a contingent right to receive one ordinary share of Similarweb Ltd (the "Company"). The RSUs vest in 25% after one year period & 12 equal installments every quarter afterwards with the first vesting date on 02/15/2024, subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.
Footnote F2
The Reporting Person was granted restricted stock units ("RSUs"), which each represent a contingent right to receive one ordinary share of Similarweb Ltd (the "Company"). The RSUs vest in 25% after one year period & 12 equal installments every quarter afterwards with the first vesting date on 02/15/2025, subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.
Footnote F3
The Reporting Person was granted restricted stock units ("RSUs"), which each represent a contingent right to receive one ordinary share of Similarweb Ltd (the "Company"). The RSUs vest in 25% after one year period & 12 equal installments every quarter afterwards with the first vesting date on 02/15/2026, subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.
Footnote F4
The Reporting Person was granted restricted stock units ("RSUs"), which each represent a contingent right to receive one ordinary share of Similarweb Ltd (the "Company"). The RSUs vest in 25% after one year period & 12 equal installments every quarter afterwards 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.
Footnote F5
The Options are fully vested & immediately exercisable.
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.