SMWBSIMILARWEB LTD.
- Market cap
- $775.71M
- as of 2026-10-23
- Latest close
- $8.79
- as of 2026-10-23
- Sector
- Technology
- as of 2026-10-24
- Industry
- Software - Application
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2026-05-19
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Offer OrChief Executive Officer | Sep 24 | Sep 25 | S | 113,900 | $7.69 | Sale −$875,891 | 3,930,881 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 24 | Sep 25 | S | 400 | $8.37 | Sale −$3,348 | 3,930,481 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 23 | Sep 24 | S | 28,400 | $8.54 | Sale −$242,536 | 4,044,781 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 22 | Sep 24 | S | 34,500 | $8.38 | Sale −$289,110 | 4,073,181 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 21 | Sep 22 | S | 32,200 | $8.40 | Sale −$270,480 | 4,107,681 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 18 | Sep 22 | S | 37,500 | $8.25 | Sale −$309,375 | 4,139,881 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 17 | Sep 18 | S | 30,400 | $8.35 | Sale −$253,840 | 4,177,381 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 16 | Sep 18 | S | 45,719 | $8.40 | Sale −$384,040 | 4,207,781 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 15 | Sep 16 | S | 26,691 | $8.53 | Sale −$227,674 | 4,253,500 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 15 | Sep 164/A | S | 26,691 | $8.53 | Sale −$227,674 | 4,253,500 | Yes | Form 4/A |
| Offer OrChief Executive Officer | Sep 14 | Sep 16 | S | 52,900 | $8.54 | Sale −$451,766 | 4,280,191 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 14 | Sep 164/A | S | 52,900 | $8.54 | Sale −$451,766 | 4,280,191 | Yes | Form 4/A |
| Offer OrChief Executive Officer | Sep 11 | Sep 14 | S | 59,000 | $8.05 | Sale −$474,950 | 4,333,091 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 10 | Sep 14 | S | 59,200 | $8.06 | Sale −$477,152 | 4,392,091 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 9 | Sep 10 | S | 86,300 | $8.06 | Sale −$695,578 | 4,451,291 | Yes | Form 4 |
| Offer OrChief Executive Officer | Sep 8 | Sep 10 | S | 60,700 | $8.33 | Sale −$505,631 | 4,537,591 | Yes | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M | 164,817 | $2.71 | $446,654 | 4,763,108 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | S | 164,817 | $9.00 | Sale −$1,483,353 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M | 39,302 | $2.71 | $106,508 | 4,637,593 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | S | 39,302 | $9.01 | Sale −$354,111 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M | 39,000 | $0.40 | $15,600 | 4,637,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | S | 39,000 | $9.00 | Sale −$351,000 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M | 140,008 | $3.04 | $425,624 | 4,738,299 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | S | 140,008 | $9.01 | Sale −$1,261,472 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M · derivative | 164,817 | $2.71 | $446,654 | 400,000 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M · derivative | 39,302 | $2.71 | $106,508 | 400,000 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M · derivative | 39,000 | $0.40 | $15,600 | 700,000 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 26 | Aug 27 | M · derivative | 140,008 | $3.04 | $425,624 | not reported | No | Form 4 |
| Offer OrChief Executive Officer | Aug 14 | Aug 17 | M | 59,992 | $3.04 | $182,376 | 4,658,283 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 14 | Aug 17 | S | 59,992 | $8.90 | Sale −$533,929 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 14 | Aug 17 | M | 75,000 | $0.40 | $30,000 | 4,673,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 14 | Aug 17 | S | 75,000 | $8.85 | Sale −$663,750 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 14 | Aug 17 | M · derivative | 59,992 | $3.04 | $182,376 | 140,008 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 14 | Aug 17 | M · derivative | 75,000 | $0.40 | $30,000 | 739,000 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | M | 228,500 | $3.04 | $694,640 | 4,972,896 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | S | 228,500 | $8.82 | Sale −$2,015,370 | 4,744,396 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | M | 200,000 | $0.40 | $80,000 | 4,944,396 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | S | 200,000 | $8.79 | Sale −$1,758,000 | 4,744,396 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | S | 106,105 | $8.75 | Sale −$928,419 | 4,638,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | S | 40,000 | $8.90 | Sale −$356,000 | 4,598,291 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | M · derivative | 228,500 | $3.04 | $694,640 | 200,000 | No | Form 4 |
| Offer OrChief Executive Officer | Aug 13 | Aug 17 | M · derivative | 200,000 | $0.40 | $80,000 | 814,000 | No | Form 4 |
| Offer OrChief Executive Officer | Jun 1 | Jun 2 | P | 50,000 | $4.15 | Purchase +$207,500 | 4,744,396 | No | Form 4 |
| Eilam Barak | May 21 | May 22 | P | 50,000 | $3.86 | Purchase +$193,000 | 101,315 | No | Form 4 |
| Beit-On Harel Moshe | May 20 | May 21 | P | 75,000 | $3.89 | Purchase +$291,750 | 10,885,778 | No | Form 4 |
| Offer OrChief Executive Officer | May 19 | May 20 | P | 50,000 | $3.58 | Purchase +$179,000 | 4,691,396 | No | Form 4 |
| Offer OrChief Executive Officer | May 19 | May 20 | P | 3,000 | $3.55 | Purchase +$10,650 | 4,694,396 | No | Form 4 |
| Offer OrChief Executive Officer | May 18 | May 20 | P | 3,105 | $3.20 | Purchase +$9,936 | 4,641,396 | No | Form 4 |
| Rapaport-Dagim Tamar | May 18 | May 19 | P | 40,000 | $3.22 | Purchase +$128,800 | 63,584 | No | Form 4 |