Welcome to our dedicated page for Similarweb SEC filings (Ticker: SMWB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Similarweb Ltd. filings document the reporting obligations of a foreign private issuer whose ordinary shares trade on the NYSE. Its Form 6-K reports furnish quarterly and annual-result materials, shareholder letters, annual general meeting notices, proxy statements, voting results and current governance updates.
The filing record also covers board and finance leadership changes, ordinary-share matters, equity compensation registration references on Form S-8, shelf-registration references on Form F-3 and selected insider share activity. These disclosures connect Similarweb's digital intelligence business with formal reporting on operating results, corporate governance, shareholder approvals and capital-structure administration.
SIMILARWEB LTD. reported an initial insider ownership filing for its Chief Financial Officer, Vered Ran. The filing shows that Ran holds 100,000 Restricted Share Units (RSUs), each representing a contingent right to receive one ordinary share of Similarweb.
According to the footnote, these RSUs vest 25% after a one-year period, then in 12 equal quarterly installments thereafter, with the first vesting date on February 15, 2027, subject to Ran’s continued service with the company or its subsidiaries through each vesting date.
Similarweb Ltd. files its annual report outlining strong top-line growth but ongoing GAAP losses. Revenue rose to $282.6 million in 2025, up from $249.9 million in 2024 and $218.0 million in 2023, while net losses were $32.9 million, $11.5 million and $29.4 million respectively.
The company highlights profitability on a non-GAAP basis in 2024 and 2025 but warns that increasing operating expenses, competitive pressures and heavy investment in AI-driven solutions may challenge sustainable profitability. Key risks include intense competition, dependence on third-party data and platforms, evolving AI and data privacy regulation and macroeconomic uncertainty.
Similarweb also flags specific exposure to geopolitical and economic risks in Israel, where it is headquartered, and notes 86,962,202 ordinary shares outstanding as of year-end 2025. Management stresses the importance of retaining customers, expanding subscriptions and successfully executing its international and direct sales expansion strategy.
Similarweb Ltd reports that Phoenix Financial Ltd. and its subsidiaries beneficially own 2,502,769 ordinary shares, representing 2.88% of the class based on 86,962,202 ordinary shares outstanding as of February 19, 2026.
The filing shows shared voting power and shared dispositive power of 2,502,769 shares and breaks ownership by vehicle: trust funds, nostro accounts and a partnership for Israeli shares. The reporting persons disclaim forming a Section 13(d) group and limit beneficial ownership to actual pecuniary interests.
Similarweb Ltd. reported that its CEO and Co-Founder, Or Offer, personally bought more company stock on the open market. On February 19, 2026, he purchased 40,000 ordinary shares of Similarweb at an average price of $2.45 per share, for a total investment of about $98,000 of his own funds. This filing is furnished for disclosure purposes and is not incorporated into the company’s other securities law filings unless specifically referenced.
Similarweb Ltd. reported fourth-quarter and full-year 2025 results, with Q4 revenue rising 11% to $72.8 million and full-year revenue up 13% to $282.6 million. Non-GAAP operating profit was $3.4 million in Q4 and $9.1 million for the year, while GAAP net loss widened to $32.9 million.
The company highlighted growing traction in AI-related products, with generative AI data and solutions contributing 11% of Q4 revenue and its GenAI intelligence product reaching about $3 million in ARR from roughly 200 customers. Multi-year subscriptions increased to 60% of ARR, remaining performance obligations grew 17% to $288.8 million, and 2025 marked the ninth consecutive quarter of positive free cash flow.
For 2026, Similarweb guides to total revenue of $305.0–$315.0 million, implying around 10% growth at the midpoint, and expects non-GAAP operating profit between $16.0 million and $19.0 million, while continuing to focus on AI-driven offerings and disciplined, profitable growth.
Phoenix Financial Ltd. has filed an amended Schedule 13G reporting beneficial ownership of 4,173,324 ordinary shares of Similarweb Ltd., representing 5.04% of the company’s ordinary shares. This percentage is based on 82,829,428 ordinary shares outstanding as of December 16, 2025. The shares are held through various Phoenix subsidiaries, including trust funds, "nostro" accounts, and a partnership for Israeli shares, each managed with independent voting and investment decisions. Phoenix and its subsidiaries state that they do not consider themselves a group for ownership purposes, disclaim beneficial ownership beyond their pecuniary interest, and certify that the shares were not acquired to change or influence control of Similarweb.
Similarweb Ltd. furnished a Form 6‑K announcing it will hold a conference call on November 12, 2025 regarding financial results for the third quarter ended September 30, 2025. The submission includes a press release as Exhibit 99.1 and a shareholder letter as Exhibit 99.2.
Exhibit 99.1, other than the portions under the caption “Financial Outlook,” is incorporated by reference into the company’s registration statements on Form S‑8 filed on May 20, 2021, April 15, 2022, March 23, 2023, February 28, 2024, and February 27, 2025, and into its Form F‑3 filed on May 10, 2024.
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).
Similarweb Ltd. (SMWB) filed a Form 144 to report a proposed sale of 100,000 ordinary shares through Oppenheimer & Co. on the NYSE with an approximate aggregate market value of $972,000 and an indicated approximate sale date of 09/08/2025. The filing states there are 82,618,511 shares outstanding. The shares to be sold were originally acquired as founder shares from the issuer on 02/09/2009 (total founder holdings shown as 3,796,106 shares) and were paid for in cash. The filer reports no securities sold in the past three months and includes the customary representation that the seller is not aware of undisclosed material adverse information.