Similarweb SMWB Insider Ownership

Updated Oct 5, 2026

In the last 12 months, insiders at Similarweb made open-market purchases of $1.02 million (271.11K shares) and open-market sales of $15.17 million (1.76Mn shares).

• A count shows 4 insiders buying SMWB stock on the open market over the past 12 months and one insider selling.
• Among SMWB insiders, Or Offer (Chief Executive Officer) bought the most stock on the open market in the past 12 months: $407,086 (106.11K shares), most recently on June 1, 2026.
• Conversely, Or Offer (Chief Executive Officer) was SMWB's largest open-market seller in the past 12 months, with $15.17 million of sales (1.76Mn shares); the latest was on September 24, 2026.
• Apart from open-market trades, SMWB insiders acquired 946.62K shares through option exercises and conversions in the past 12 months.
• Per Business Quant data, Similarweb insiders hold 14.98Mn shares in total based on their latest Form 4 filings, down 5.15% from 15.8Mn shares at the end of Q2 2026.
• SMWB's insiders hold all 14.98Mn shares directly, in their own names, with no indirect holdings.
• Per Business Quant, 4 insiders of SMWB hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• Similarweb's three largest insider shareholders, based on their latest Form 4 filings, are Harel Moshe Beit-On (Director, 10.89Mn shares), Or Offer (Chief Executive Officer, 3.93Mn shares) and Barak Eilam (Director, 101.31K shares).
• The holding of Harel Moshe Beit-On makes up 72.66% of all shares held by Similarweb insiders.
• In their Q2 2026 13F filings, institutions reported holding 45.89% of Similarweb's outstanding shares.
• In the last 12 months, 16 Form 4 filings with transactions in SMWB stock came from 4 insiders.
• This summary of Similarweb insider activity covers Form 4 filings through September 25, 2026.