SIMILARWEB LTD. (SMWB) has 8 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 7 sales totalling $12.1M. Most recent filing: Sept. 18, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 18, 2026 filed Sept. 16, 2026 | Offer Or Chief Executive Officer | −$637,648 | 76,119 | −2% | Yes | |
|
|
||||||
| Sept. 16, 2026 filed Sept. 14, 2026 | Offer Or Chief Executive Officer | −$679,236 | 79,591 | −2% | Yes | |
|
|
||||||
| Sept. 16, 2026 filed Sept. 14, 2026 | Offer Or Chief Executive Officer | −$679,236 | 79,591 | −2% | Yes | |
|
|
||||||
| Sept. 16, 2026 filed Sept. 14, 2026 | Offer Or Chief Executive Officer | −$679,236 | 79,591 | −2% | Yes | |
|
|
||||||
| Sept. 14, 2026 filed Sept. 10, 2026 | Offer Or Chief Executive Officer | −$952,244 | 118,200 | −3% | Yes | |
|
|
||||||
Showing the 5 most recent of 8 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
Start free