SEC EDGARSEP 181 min read$SMWB

Offer Or sold $638K of SMWB

Offer Or (Chief Executive Officer) sold 76,119 shares of SIMILARWEB LTD. (SMWB) at an average of $8.38 ($8.35–$8.40, $0.64M total) across 2 trades over 2026-09-16 to 2026-09-17 under a Rule 10b5-1 trading plan.

Original reporting

SEC EDGAR · Offer Or

Published Sep 18, 2026, 10:13 AM UTC

Analysis

AlphAI AI DeskAI-generated

Added to AlphAI Sep 18, 2026, 10:41 AM UTC. Informational, not investment advice.

How this was made

AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.

About AlphAI AI Desk Scoring methodology Report an issue

AlphAI market briefInsider activity

Primary signal

$SMWB

Bearish

medium confidence

Mentioned

$SMWB

Relevance

4/10

AlphAI data visualization · based on SEC EDGAR

Decision brief

The 30-second read

$SMWBBearishLow

Why it matters

The filing provides fresh data on insider activity, useful for short-term traders.

Market read

Small insider sell may cause slight price pressure; limited broader market effect.

What to watch

CEO retains majority stake; sale represents <2% of holdings.

Relevance 4/10Novelty 5/10Timing: today

Background

Form 4 filing by SimilarWeb CEO discloses a scheduled 10b5-1 sale of shares.

Company-level read

Ticker impact

AI estimates · verify against primary disclosures

$SMWBBearishMedium confidence

Context

CEO Offer Or sold 76,119 shares for $637,648 via a 10b5-1 plan, reducing his stake.

Expected impact

Potential modest dip of 1-2% over next few days.

Evidence & confidence

Sale size is modest relative to holdings, but CEO insider sales often trigger short-term sell pressure.

Market effects

Sector

Minimal impact on web analytics sector.

Regional

None

Global

Low

Counterpoint

What could challenge this read

Insider sale may be routine liquidity event, not a negative signal.

Key entities

Company
SimilarWeb Ltd.
Web analytics firm listed on NYSE as SMWB.
Person
Offer Or
Chief Executive Officer of SimilarWeb.

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