Form 4 Tracker
Offer Or

Chief Executive Officer; Director, Chief Executive Officer · 11 filings · Latest: Sep 18, 2026

SIMILARWEB LTD.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
SMWB
Or OfferChief Executive OfficerSep 24, 2026
Sale
$7.69114,300$879.1K3,930,481
SMWB
Or OfferChief Executive OfficerSep 23, 2026
Sale
$8.5428,400$242.4K4,044,781
SMWB
Or OfferChief Executive OfficerSep 22, 2026
Sale
$8.3834,500$289.0K4,073,181
SMWB
Offer OrChief Executive OfficerSep 21, 2026
Sale
$8.4032,200$270.6K4,107,681
SMWB
Offer OrChief Executive OfficerSep 18, 2026
Sale
$8.2537,500$309.3K4,139,881
SMWB
Offer OrChief Executive OfficerSep 17, 2026
Sale
$8.3530,400$253.7K4,177,381
SMWB
Offer OrChief Executive OfficerSep 16, 2026
Sale
$8.4045,719$383.9K4,207,781
SMWB
Offer OrChief Executive OfficerSep 15, 2026
Sale
$8.5326,691$227.6K4,253,500
SMWB
Offer OrChief Executive OfficerSep 14, 2026
Sale
$8.5452,900$451.6K4,280,191
SMWB
Offer OrChief Executive OfficerSep 15, 2026
Sale
$8.5326,691$227.6K4,253,500
SMWB
Offer OrChief Executive OfficerSep 14, 2026
Sale
$8.5452,900$451.6K4,280,191
SMWB
Offer OrChief Executive OfficerSep 15, 2026
Sale
$8.5326,691$227.6K4,253,500
SMWB
Offer OrChief Executive OfficerSep 14, 2026
Sale
$8.5452,900$451.6K4,280,191
SMWB
Offer OrChief Executive OfficerSep 11, 2026
Sale
$8.0559,000$474.9K4,333,091
SMWB
Offer OrChief Executive OfficerSep 10, 2026
Sale
$8.0659,200$477.3K4,392,091
SMWB
Offer OrChief Executive OfficerSep 9, 2026
Sale
$8.0686,300$695.3K4,451,291
SMWB
Offer OrChief Executive OfficerSep 8, 2026
Sale
$8.3360,700$505.6K4,537,591
SMWB
Or Offer—Sep 8, 2026
Proposed Sale
$8.841,000,000$8.8M—
SMWB
Offer OrChief Executive OfficerAug 26, 2026
Sale
$9.00383,127$3.4M4,598,291
SMWB
Offer OrChief Executive OfficerAug 26, 2026
Option Exercise
$2.60383,127$994.4K4,738,299

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