Senior insider sale
Chief Executive Officer at SIMILARWEB LTD. — senior position signals high conviction
$28.69M
2.09M shares
What this filing means
OFFER OR plans to sell 2.09M shares of SIMILARWEB LTD. valued at approximately $28.69M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 9/8/2026ACC: 0001976408-26-000808
Officer· Chief Executive Officer
Since Mar 2026
2.09M
Shares to sell
$28.69M
Approx. market value
3.03M
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Founder Shares
Cash
2/19/2009
3.03MTotal acquired3.03M
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/19/2009 | Founder Shares Cash | 3.03M | — |
| Total | 3.03M | ||
Planned & Completed Dispositions4
Completed
—Completed
Units to sell
383.13K
Market value
$3.45M
8/26/2026
—Completed
Units to sell
134.99K
Market value
$1.20M
8/14/2026
—Completed
Units to sell
574.61K
Market value
$15.20M
8/13/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
1M
Market value
$8.84M
9/8/2026
Total
Units
2.09M
Value
$28.69M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/26/2026 | 383.13K | $3.45M | — | Completed |
8/14/2026 | 134.99K | $1.20M | — | Completed |
8/13/2026 | 574.61K | $15.20M | — | Completed |
| Planned — Approximate Date | ||||
9/8/2026 | 1M | $8.84M | NYSE | Planned |
| Total | 2.09M | $28.69M | ||