Form 4: Similarweb CEO Sells Shares
Insider Transaction (Form 4)
Or Offer, Chief Executive Officer of Similarweb Ltd., sold 709,597 shares of common stock on August 13, 2026.
Summary
- Option exercise/conversion: acquired 228,500 Ordinary Shares at $3.04 ($694,640) on August 13, 2026; holds 4,972,896 after (Direct).
- Open-market sale: disposed of 228,500 Ordinary Shares at $8.82 ($2,015,713) on August 13, 2026; holds 4,744,396 after (Direct).
- Option exercise/conversion: acquired 200,000 Ordinary Shares at $0.40 ($80,000) on August 13, 2026; holds 4,944,396 after (Direct).
- Open-market sale: disposed of 200,000 Ordinary Shares at $8.79 ($1,757,280) on August 13, 2026; holds 4,744,396 after (Direct).
- Open-market sale: disposed of 106,105 Ordinary Shares at $8.75 ($928,419) on August 13, 2026; holds 4,638,291 after (Direct).
- Open-market sale: disposed of 40,000 Ordinary Shares at $8.90 ($356,000) on August 13, 2026; holds 4,598,291 after (Direct).
- Option exercise/conversion: acquired 59,992 Ordinary Shares at $3.04 ($182,376) on August 14, 2026; holds 4,658,283 after (Direct).
- Open-market sale: disposed of 59,992 Ordinary Shares at $8.90 ($533,965) on August 14, 2026; holds 4,598,291 after (Direct).
- Option exercise/conversion: acquired 75,000 Ordinary Shares at $0.40 ($30,000) on August 14, 2026; holds 4,673,291 after (Direct).
- Open-market sale: disposed of 75,000 Ordinary Shares at $8.85 ($663,900) on August 14, 2026; holds 4,598,291 after (Direct).
- Option exercise/conversion: disposed of 228,500 Options to purchase one Ordinary Share on August 13, 2026; holds 200,000 after (Direct).
- Option exercise/conversion: disposed of 200,000 Options to purchase one Ordinary Share on August 13, 2026; holds 814,000 after (Direct).
- Option exercise/conversion: disposed of 59,992 Options to purchase one Ordinary Share on August 14, 2026; holds 140,008 after (Direct).
- Option exercise/conversion: disposed of 75,000 Options to purchase one Ordinary Share on August 14, 2026; holds 739,000 after (Direct).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $6,255,276 of stock on the open market.
Insider Transactions
Or Offer — Officer (Chief Executive Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-13 | Option exercise/conversion | Ordinary Shares | 228,500 | $3 | $694.6K | 4,972,896 |
| 2026-08-13 | Open-market sale | Ordinary Shares | 228,500 | $9 | $2.0M | 4,744,396 |
| 2026-08-13 | Option exercise/conversion | Ordinary Shares | 200,000 | $0 | $80.0K | 4,944,396 |
| 2026-08-13 | Open-market sale | Ordinary Shares | 200,000 | $9 | $1.8M | 4,744,396 |
| 2026-08-13 | Open-market sale | Ordinary Shares | 106,105 | $9 | $928.4K | 4,638,291 |
| 2026-08-13 | Open-market sale | Ordinary Shares | 40,000 | $9 | $356.0K | 4,598,291 |
| 2026-08-14 | Option exercise/conversion | Ordinary Shares | 59,992 | $3 | $182.4K | 4,658,283 |
| 2026-08-14 | Open-market sale | Ordinary Shares | 59,992 | $9 | $534.0K | 4,598,291 |
| 2026-08-14 | Option exercise/conversion | Ordinary Shares | 75,000 | $0 | $30.0K | 4,673,291 |
| 2026-08-14 | Open-market sale | Ordinary Shares | 75,000 | $9 | $663.9K | 4,598,291 |
| 2026-08-13 | Option exercise/conversion | Options to purchase one Ordinary Share | 228,500 | — | — | 200,000 |
| 2026-08-13 | Option exercise/conversion | Options to purchase one Ordinary Share | 200,000 | — | — | 814,000 |
| 2026-08-14 | Option exercise/conversion | Options to purchase one Ordinary Share | 59,992 | — | — | 140,008 |
| 2026-08-14 | Option exercise/conversion | Options to purchase one Ordinary Share | 75,000 | — | — | 739,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-13 | Option exercise/conversion (228,500 shares) |
| 2026-08-13 | Open-market sale (228,500 shares) |
| 2026-08-13 | Option exercise/conversion (200,000 shares) |
| 2026-08-13 | Open-market sale (200,000 shares) |
| 2026-08-13 | Open-market sale (106,105 shares) |
| 2026-08-13 | Open-market sale (40,000 shares) |
| 2026-08-14 | Option exercise/conversion (59,992 shares) |
| 2026-08-14 | Open-market sale (59,992 shares) |
| 2026-08-14 | Option exercise/conversion (75,000 shares) |
| 2026-08-14 | Open-market sale (75,000 shares) |
| 2026-08-13 | Option exercise/conversion (228,500 shares) |
| 2026-08-13 | Option exercise/conversion (200,000 shares) |
| 2026-08-14 | Option exercise/conversion (59,992 shares) |
| 2026-08-14 | Option exercise/conversion (75,000 shares) |
Keywords
insider transaction, Form 4, SMWB, SIMILARWEB LTD., bearish, Or Offer
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