SMWB

SIMILARWEB LTD.

Technology Computer Programming, Data Processing, Etc. Market cap: $752.2M All insider activity → Quote and statistics → Sign in to watch SMWB Sign in to set a price alert

AI summary Cluster of open-market stock purchases by CEO and multiple directors

Insider Score Band 60–79

Research score: 74
AI adjustment: +5

Research score, not a recommendation.

Total bought$1.0M7 Form 4 purchases

Distinct insiders4open-market buyers

Lead insiderOffer OrCEO

Cluster window2026-05-18 → 2026-06-01active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders

63%

Seniority executive rank of buyers (CEO/CFO/Director)

90%

Commitment purchase size relative to company & holdings

85%

Context buying into stock weakness signals conviction

100%

Timing coordinated purchases within a tight window

83%

Routine-purchase discount × 1.00

Company-type / offering discount × 1.00

Net insider selling penalty − 0

Why are they buying?

AI · discretionary · catalyst none · documented

The CEO and several directors made open-market purchases of company shares without an explicit stated catalyst or filing notes indicating a pre-arranged plan or offering.

Insiders including CEO Offer Or, Director Rapaport-Dagim Tamar, Director Beit-On Harel Moshe, and Director Eilam Barak purchased shares through multiple open-market transactions between May 18 and June 1, 2026.

Filing references and sources

Similarweb Expands AI Ecosystem with Perplexity Collaboration Through Native AI Workflows (opens in a new tab)

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

7 Form 4 trades · 4 insiders Sign in to download CSV

Purchases in this cluster, grouped by insider, largest first
Date	Insider	Role	Shares	Price	Value	Filing
2026-05-18 → 2026-06-01	Offer Or history of Offer Or's purchases	CEO	106,105	$3.84 avg	$407.1K
2026-05-18	Offer Or		3,105	$3.20	$9.9K	SEC filing for Offer Or (opens in a new tab)
2026-05-19	Offer Or		3,000	$3.55	$10.7K	SEC filing for Offer Or (opens in a new tab)
2026-05-19	Offer Or		50,000	$3.58	$179.0K	SEC filing for Offer Or (opens in a new tab)
2026-06-01	Offer Or		50,000	$4.15	$207.5K	SEC filing for Offer Or (opens in a new tab)
2026-05-20	Beit-On Harel Moshe history of Beit-On Harel Moshe's purchases	Director	75,000	$3.89	$291.8K	SEC filing for Beit-On Harel Moshe (opens in a new tab)
2026-05-21	Eilam Barak history of Eilam Barak's purchases	Director	50,000	$3.86	$193.0K	SEC filing for Eilam Barak (opens in a new tab)
2026-05-18	Rapaport-Dagim Tamar history of Rapaport-Dagim Tamar's purchases	Director	40,000	$3.22	$128.8K	SEC filing for Rapaport-Dagim Tamar (opens in a new tab)
Total					$1.0M

What happened next

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days +19.6%63 days +100.7%126 days –