Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-18 · Built: 2026-10-18 · 中文

← United States · Coverage record

US · SEC FORM 4

SIMILARWEB LTD.

SMWB · NYSE · CIK 0001842731 · Technology · Software—Application

INSIDER SIGNAL

No active buy signal

6 qualifying P purchase groups
in the current 180-day scoring window

43 Form 4 transaction lines observed in the same window
28 sales · 8 option, withholding, award, gift or other lines

Last qualifying purchase2026-06-01 · Offer Or · $207.5K

WHY NO ACTIVE SIGNAL?

Purchase activityPresent
Recent buying6 qualifying line group(s)
Recent salesHigh
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Offer OrChief Executive Officer
●●●○▼○▼○▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
Eilam BarakDirector
●
Beit-On Harel MosheDirector
●
Rapaport-Dagim TamarDirector
●
● Purchase▼ Sale○ Other

—

Purchase breadth & concentration

QUALIFYING BUYERS4
PURCHASE CONCENTRATION40%Largest buyer: Offer Or · $407.1K
CLUSTER BUYING · 15D4 insidersPeak activity: 2026-05-18–2026-06-01

Roles in the peak window: Chief Executive Officer, Director. Concentration uses priced qualifying P lines only and does not change the saved score.

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2026-06-01 · Offer Or.

Recent Form 4 activity

7Purchases
28Sales
8Other Form 4 lines
16SEC filings · 365 days
BUYING7 qualifying P line(s) · 180 days
SELLING28 sale line(s) · context only
OTHER8 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
730,513
Previous report
759,597
Avg daily volume
554,870
Days to cover
1.3

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2026-06-01Offer OrPurchase (P)Ordinary Shares50,000USD 4.15USD 207,500SEC filing ↗
2026-05-21Eilam BarakPurchase (P)Ordinary Shares50,000USD 3.86USD 193,000SEC filing ↗
2026-05-20Beit-On Harel MoshePurchase (P)Ordinary Shares75,000USD 3.89USD 291,750SEC filing ↗
2026-05-19Offer OrPurchase (P)Ordinary Shares53,000USD 3.58USD 189,650SEC filing ↗
2026-05-18Offer OrPurchase (P)Ordinary Shares3,105USD 3.20USD 9,936SEC filing ↗
2026-05-18Rapaport-Dagim TamarPurchase (P)Ordinary Shares40,000USD 3.22USD 128,800SEC filing ↗

Form 4 evidence

43 transaction lines in the latest 365-day window; 43 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-09-24Offer OrSale (S)Ordinary Shares114,300USD 7.69USD 879,239SEC filing ↗
2026-09-23Offer OrSale (S)Ordinary Shares28,400USD 8.54USD 242,536SEC filing ↗
2026-09-22Offer OrSale (S)Ordinary Shares34,500USD 8.38USD 289,110SEC filing ↗
Show recent Form 4 evidence (29 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-09-24Offer OrSale (S)Ordinary Shares114,300USD 7.69USD 879,239SEC filing ↗
2026-09-23Offer OrSale (S)Ordinary Shares28,400USD 8.54USD 242,536SEC filing ↗
2026-09-22Offer OrSale (S)Ordinary Shares34,500USD 8.38USD 289,110SEC filing ↗
2026-09-21Offer OrSale (S)Ordinary Shares32,200USD 8.40USD 270,480SEC filing ↗
2026-09-18Offer OrSale (S)Ordinary Shares37,500USD 8.25USD 309,375SEC filing ↗
2026-09-17Offer OrSale (S)Ordinary Shares30,400USD 8.35USD 253,840SEC filing ↗
2026-09-16Offer OrSale (S)Ordinary Shares45,719USD 8.40USD 384,040SEC filing ↗
2026-09-15Offer OrSale (S)Ordinary Shares26,691USD 8.53USD 227,674SEC filing ↗
2026-09-15Offer OrSale (S)Ordinary Shares26,691USD 8.53USD 227,674SEC filing ↗
2026-09-15Offer OrSale (S)Ordinary Shares26,691USD 8.53USD 227,674SEC filing ↗
2026-09-14Offer OrSale (S)Ordinary Shares52,900USD 8.54USD 451,766SEC filing ↗
2026-09-14Offer OrSale (S)Ordinary Shares52,900USD 8.54USD 451,766SEC filing ↗
2026-09-14Offer OrSale (S)Ordinary Shares52,900USD 8.54USD 451,766SEC filing ↗
2026-09-11Offer OrSale (S)Ordinary Shares59,000USD 8.05USD 474,950SEC filing ↗
2026-09-10Offer OrSale (S)Ordinary Shares59,200USD 8.06USD 477,152SEC filing ↗
2026-09-09Offer OrSale (S)Ordinary shares86,300USD 8.06USD 695,578SEC filing ↗
2026-09-08Offer OrSale (S)Ordinary shares60,700USD 8.33USD 505,631SEC filing ↗
2026-08-26Offer OrSale (S)Ordinary shares383,127USD 9.00USD 3,449,936SEC filing ↗
2026-08-26Offer OrOption exercise / conversion (M)Ordinary shares383,127USD 2.60USD 994,387SEC filing ↗
2026-08-14Offer OrSale (S)Ordinary Shares134,992USD 8.87USD 1,197,679SEC filing ↗
2026-08-14Offer OrOption exercise / conversion (M)Ordinary Shares134,992USD 1.57USD 212,376SEC filing ↗
2026-08-13Offer OrSale (S)Ordinary Shares574,605USD 8.80USD 5,057,789SEC filing ↗
2026-08-13Offer OrOption exercise / conversion (M)Ordinary Shares428,500USD 1.81USD 774,640SEC filing ↗
2026-06-01Offer OrPurchase (P)Ordinary Shares50,000USD 4.15USD 207,500SEC filing ↗
2026-05-21Eilam BarakPurchase (P)Ordinary Shares50,000USD 3.86USD 193,000SEC filing ↗
2026-05-20Beit-On Harel MoshePurchase (P)Ordinary Shares75,000USD 3.89USD 291,750SEC filing ↗
2026-05-19Offer OrPurchase (P)Ordinary Shares53,000USD 3.58USD 189,650SEC filing ↗
2026-05-18Offer OrPurchase (P)Ordinary Shares3,105USD 3.20USD 9,936SEC filing ↗
2026-05-18Rapaport-Dagim TamarPurchase (P)Ordinary Shares40,000USD 3.22USD 128,800SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-18
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerSMWB
CIK0001842731
SectorTechnology
IndustrySoftware—Application Yahoo Finance
SEC SIC7370 Services-Computer Programming, Data Processing, Etc.
ExchangeNYSE

Data coverage

Local Form 4 history43 transaction lines from 2026-05-18 to 2026-09-24
7 P purchase lines · 28 S sale lines · 8 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.