Company · CIK 0001842731 · SIC 7370 — Services-Computer Programming, Data Processing, Etc. · NYSE
SIMILARWEB LTD. · SMWB
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 24, 2026 SForm 4 → | Sep 25, 7:46 am EDT | Or OfferChief Executive Officer | 114,300 | $7.69 | $879,102 | 3,930,481 | −2.83% | 10b5-1 |
| Sep 22, 2026 SForm 4 → | Sep 24, 7:56 am EDT | Or OfferChief Executive Officer | 62,900 | $8.45 | $531,437 | 4,044,781 | −1.53% | 10b5-1 |
| Sep 18, 2026 SForm 4 → | Sep 22, 7:43 am EDT | Or OfferChief Executive Officer | 69,700 | $8.32 | $579,894 | 4,107,681 | −1.67% | 10b5-1 |
| Sep 16, 2026 SForm 4 → | Sep 18, 6:13 am EDT | Or OfferChief Executive Officer | 76,119 | $8.38 | $637,648 | 4,177,381 | −1.79% | 10b5-1 |
| Sep 14, 2026 SForm 4/A → | Sep 16, 9:07 am EDT | Or OfferChief Executive Officer | 79,591 | $8.53 | $679,236 | 4,253,500 | −1.84% | 10b5-1 |
| Sep 14, 2026 SForm 4 → | Sep 16, 7:01 am EDT | Or OfferChief Executive Officer | 79,591 | $8.53 | $679,236 | 4,253,500 | −1.84% | 10b5-1 |
| Sep 14, 2026 SForm 4 → | Sep 16, 6:55 am EDT | Or OfferChief Executive Officer | 79,591 | $8.53 | $679,236 | 4,253,500 | −1.84% | 10b5-1 |
| Sep 10, 2026 SForm 4 → | Sep 14, 9:07 am EDT | Or OfferChief Executive Officer | 118,200 | $8.06 | $952,244 | 4,333,091 | −2.66% | 10b5-1 |
| Sep 8, 2026 SForm 4 → | Sep 10, 9:28 am EDT | Or OfferChief Executive Officer | 147,000 | $8.17 | $1,200,902 | 4,451,291 | −3.20% | 10b5-1 |
| Aug 26, 2026 SForm 4 → | Aug 27, 8:03 am EDT | Or OfferChief Executive Officer | 383,127 | $9.00 | $3,449,641 | 4,598,291 | −7.69% | |
| Aug 26, 2026 MForm 4 → | Aug 27, 8:03 am EDT | Or OfferChief Executive Officer | 383,127 | $2.60 | $994,387 | 4,738,299 | — | |
| Aug 13, 2026 SForm 4 → | Aug 17, 8:38 am EDT | Or OfferChief Executive Officer | 709,597 | $8.82 | $6,255,276 | 4,598,291 | −13.4% | |
| Aug 13, 2026 MForm 4 → | Aug 17, 8:38 am EDT | Or OfferChief Executive Officer | 563,492 | $1.75 | $987,016 | 4,673,291 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 26, 2026 MForm 4 → | Aug 27, 8:03 am EDT | Or OfferChief Executive Officer | 383,127 | — | — | 0 | — | |
| Aug 13, 2026 MForm 4 → | Aug 17, 8:38 am EDT | Or OfferChief Executive Officer | 563,492 | — | — | 739,000 | — |