Transaction · 0001976408-26-000747

Offer Or

Offer Or, CEO, reported an open-market or private sale at SIMILARWEB LTD. involving 40000.000000 shares for an estimated $356000.00. Reported holdings after the transaction were 4598291.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCEO
SMWBSIMILARWEB LTD.
Filing timeAug 17
Trade dateAug 13, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$8.56
Pre-filing
1mo ago -22.9%1w ago -13.8%1d ago +2.6%
Returns since
7d +5.0%30d +2.5%90d +2.5%180d +2.5%1y +2.5%

SMWB price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
SMWB since 2026-08-17Filed 18 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001976408-26-000747
Ordinary Shares
Transaction date
Aug 13, 2026
Filed Aug 17, 2026, 12:38 PM · 4d delay
Shares
40.0k sh
$890 per share
Estimated value
-$35.6M
Computed from shares × price
Holdings after
4.59M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Repeat Seller
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $8.66 to $9.005. The reporting person undertakes to provide full information regarding the…

  2. F2

    The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $8.69 to $8.88. The reporting person undertakes to provide full information regarding the…

  3. F3

    The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $8.90 to $8.92. The reporting person undertakes to provide full information regarding the…

  4. F4

    The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $8.85 to $8.87. The reporting person undertakes to provide full information regarding the…

  5. F5

    The options reported herein were exercised and the underlying shares were sold on the same date as reported in Table I.

  6. F6

    The shares were acquired upon the exercise of stock options

Original filing · 0001976408-26-000747
Related transactions

0 other filings

Same reporting owner
Recent company activity

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SMWB