Form 4 for SMWB SIMILARWEB LTD.
Accepted 2026-08-27 08:03:15 ET · period of report 2026-08-26 · accession 0001976408-26-000777 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-27 08:03 | 2026-08-26 | SMWB | Offer Or | CEO | M - OptEx | $2.60 | +383.1K | 4.74M | +9% | +$994.4K |
| DM | 2026-08-27 08:03 | 2026-08-26 | SMWB | Offer Or | CEO | S - Sale+OE | $9.00 | -383.1K | 4.60M | -8% | -$3.45M |
| DM | 2026-08-27 08:03 | 2026-08-26 | SMWB | Offer Or | CEO | M - OptEx | $0.00 | -383.1K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary shares | 2026-08-26 | M | A | 164,817 | $2.71 | 4,763,108 | D | — | — | (F2) The shares were acquired upon the exercise of stock options |
| 2 | Common | Ordinary shares | 2026-08-26 | S | D | 164,817 | $9.00 | 4,598,291 | D | — | — | (F3) The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $9.00 to $9.01. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request |
| 3 | Common | Ordinary shares | 2026-08-26 | M | A | 39,302 | $2.71 | 4,637,593 | D | — | — | (F2) The shares were acquired upon the exercise of stock options |
| 4 | Common | Ordinary shares | 2026-08-26 | S | D | 39,302 | $9.01 | 4,598,291 | D | — | — | (F4) The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $9.012 to $9.03. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request |
| 5 | Common | Ordinary shares | 2026-08-26 | M | A | 39,000 | $0.4 | 4,637,291 | D | — | — | (F2) The shares were acquired upon the exercise of stock options |
| 6 | Common | Ordinary shares | 2026-08-26 | S | D | 39,000 | $9.00 | 4,598,291 | D | — | — | (F5) The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $9.00 to $9.05. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request |
| 7 | Common | Ordinary shares | 2026-08-26 | M | A | 140,008 | $3.04 | 4,738,299 | D | — | — | (F2) The shares were acquired upon the exercise of stock options |
| 8 | Common | Ordinary shares | 2026-08-26 | S | D | 140,008 | $9.01 | 4,598,291 | D | — | — | (F6) The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $9.00 to $9.055. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request |
| 9 | Derivative | Options to purchase one Ordinary Share | 2026-08-26 | M | D | 164,817 | $0.00 | 400,000 | D | $2.71 · 2020-11-20 to 2028-11-19 | 164,817 Ordinary shares | (F1) The options reported herein were exercised and the underlying shares were sold on the same date as reported in Table I. |
| 10 | Derivative | Options to purchase one Ordinary Share | 2026-08-26 | M | D | 39,302 | $0.00 | 400,000 | D | $2.71 · 2019-11-20 to 2028-11-19 | 39,302 Ordinary shares | (F1) The options reported herein were exercised and the underlying shares were sold on the same date as reported in Table I. |
| 11 | Derivative | Options to purchase one Ordinary Share | 2026-08-26 | M | D | 39,000 | $0.00 | 700,000 | D | $0.4 · 2015-02-14 to 2028-02-14 | 39,000 Ordinary shares | (F1) The options reported herein were exercised and the underlying shares were sold on the same date as reported in Table I. |
| 12 | Derivative | Options to purchase one Ordinary Share | 2026-08-26 | M | D | 140,008 | $0.00 | 0 | D | $3.04 · 2022-01-29 to 2031-01-28 | 140,008 Ordinary shares | (F1) The options reported herein were exercised and the underlying shares were sold on the same date as reported in Table I. |