INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources

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

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 433m ago
HOUSE PTR32m ago
SEC 13F32m ago
ROBINHOOD CHAIN32m ago
SEC FORM 4/Grant or awardVerified data

Brunner Angelique G. reported CSGP

Director · COSTAR GROUP, INC. · Common Stock, par value $0.01 per share

Side
A
Value
—
Shares
8,262
Price
—
Executed
Jun 23, 2026
Disclosed
Jun 24, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Jun 23 executedJun 24, 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
21/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Grant or award — administrative, little informational value

  • Relative size+13 / 25

No reported dollar value · 81.3% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • 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

    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

    27
    Gilbert Ray Cisneros, Jr.DSelf
    CSGPCOSTAR GROUP, INC.
    Partial sale
    		SELL$1,001 – $15KApr 14, 2026May 8, 2026
    traded Apr 14, 2026
    		+24dHOUSE PTR

    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

    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

    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

    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
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001742356-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jun 23, 2026
    Published
    Jun 24, 2026
    Ingested by INSIDER
    Nov 5, 03:51 UTC
    Last re-read
    Nov 5, 03:51 UTC

    Extracted facts

    Filer
    Brunner Angelique G.
    Role
    Director
    Transaction
    Grant or awardAs filed: “A”
    Asset
    COSTAR GROUP, INC.
    Ticker
    CSGP
    Shares
    8,262
    Price per share
    $0
    Execution date (reported)
    Jun 23, 2026
    Owned after transaction
    18.4K shares
    Days from execution to publication
    1

    What this establishes

    Brunner Angelique G. filed this Form 4 reporting a grant or award of CSGP on Jun 23, 2026. It became public on Jun 24, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    Director
    Brunner Angelique G.cik:0001742356
    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.