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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 435m ago
HOUSE PTR35m ago
SEC 13F35m ago
ROBINHOOD CHAIN34m ago
HOUSE PTR/Partial saleVerified data

Gilbert Ray Cisneros, Jr. sold CSGP

Self · COSTAR GROUP, INC. · CoStar Group, Inc. - Common Stock

Side
SELL
Value range
$1,001 – $15K
Shares
Not disclosed
Price
—
Executed
Apr 14, 2026
Disclosed
May 8, 2026
Disclosure timeline24 days from execution to publication · legal deadline 45 days
Apr 14 executedMay 8, 2026 disclosed

CSGP · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
27/ 100 · ROUTINE
Methodology →
  • Transaction type+10 / 20

    Partial sale

  • Relative size+2 / 25

    Disclosed range starting at $1K

  • Filing timing0 / 15

    Disclosed 24 days after execution (STOCK Act deadline: 45)

  • Historical behavior+15 / 15

    Reverses direction: 2 prior trades the other way

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · CSGP

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    20
    Gilbert Ray Cisneros, Jr.DSelf
    CSGPCOSTAR GROUP, INC.
    Purchase
    		BUY$1,001 – $15KAug 19, 2026Sep 10, 2026
    traded Aug 19, 2026
    		+22dHOUSE PTR

    Evidence

    21
    BG
    Brunner Angelique G.Director
    CSGPCOSTAR GROUP, INC.
    Grant or award
    		A—
    8,262 sh
    		Jun 23, 2026Jun 24, 2026
    traded Jun 23, 2026
    		+1dSEC FORM 4

    Evidence

    17
    SS
    Sams Louise SDirector
    CSGPCOSTAR GROUP, INC.
    Grant or award
    		A—
    8,262 sh
    		Jun 23, 2026Jun 24, 2026
    traded Jun 23, 2026
    		+1dSEC FORM 4

    Evidence

    20
    Gilbert Ray Cisneros, Jr.DSelf
    CSGPCOSTAR GROUP, INC.
    Purchase
    		BUY$1,001 – $15KMar 13, 2026Apr 7, 2026
    traded Mar 13, 2026
    		+25dHOUSE PTR

    Evidence

    17
    DJ
    Desmarais Michael JChief Human Resources Officer
    CSGPCOSTAR GROUP, INC.
    Grant or award
    		A—
    17.7K sh
    		Mar 10, 2026Mar 11, 2026
    traded Mar 10, 2026
    		+1dSEC FORM 4

    Evidence

    12
    SF
    Simuro FrankChief Technology Officer
    CSGPCOSTAR GROUP, INC.
    Tax withholding
    		F$217K
    4,421 sh
    		Feb 19, 2026Feb 23, 2026
    traded Feb 19, 2026
    		+4dSEC FORM 4

    Evidence

    13
    SF
    Simuro FrankChief Technology Officer
    CSGPCOSTAR GROUP, INC.
    Disposition to issuer
    		D—
    30.7K sh
    		Feb 19, 2026Feb 23, 2026
    traded Feb 19, 2026
    		+4dSEC FORM 4

    Evidence

    24
    Gilbert Ray Cisneros, Jr.DSelf
    CSGPCOSTAR GROUP, INC.
    Purchase
    		BUY$1,001 – $15KJan 28, 2026Feb 13, 2026
    traded Jan 28, 2026
    		+16dHOUSE PTR

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    House Periodic Transaction Report
    Publisher
    Clerk of the U.S. House of Representatives
    Document ID
    20034500

    Timestamps

    Event (reported)
    Apr 14, 2026
    Published
    May 8, 2026
    Ingested by INSIDER
    Nov 5, 06:47 UTC
    Last re-read
    Nov 5, 06:47 UTC

    Extracted facts

    Filer
    Gilbert Ray Cisneros, Jr.
    Role
    Self
    Transaction
    Partial saleAs filed: “S (partial)”
    Asset
    CoStar Group, Inc. - Common Stock
    Ticker
    CSGP
    Reported value
    $1,001 – $15KAs filed: “$1,001 - $15,000”
    Execution date (reported)
    Apr 14, 2026
    Notification date (reported)
    May 7, 2026
    Days from execution to publication
    24

    Calculation

    Midpoint = (low + high) / 2. Used only to rank and sum ranges; the true value can be anywhere in the range.

    • Low: $1,001
    • High: $15,000

    = $8,001

    What this establishes

    Gilbert Ray Cisneros, Jr. reported a partial sale of CoStar Group, Inc. - Common Stock. Members report a value range, not an exact amount, and do not report share counts or prices. Dates are as entered by the filer. A trade report is not evidence of wrongdoing.

    Extraction

    Method
    PDF text extraction
    Confidence
    1.00
    Self
    Gilbert Ray Cisneros, Jr.bioguide:C001123
    Issuer
    COSTAR GROUP, INC.cik:0001057352

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.