Public research preview

Lisa McClain, Representative disclosure: CoStar Group, Inc. - Common Stock (CSGP)

Disclosed a buy transaction in CoStar Group, Inc. - Common Stock (CSGP). Use this page to inspect source evidence, confidence scores, filing delay, and post-disclosure price movement before deciding whether to research the signal further.

Copy Window
Probably too late
24/100
Signal Quality
63/100
Data Confidence
93%
high

This public page is for public-disclosure research only. It is not investment advice and does not place orders. Verify the official source before relying on any signal.

Evidence passport

Official-source context and parser confidence before any simulation or alert decision.

Source
House STOCK Act disclosures
Published
12 Sept 2025, 00.00
Parser confidence
94%
Instrument mapping
95%
Filing delay
30 days

Timeline

Transaction date

13 Aug 2025

Public disclosure

12 Sept 2025

Now

Tracked today

Filing delay: 30 days

Price movement

Complete coverage

Provider
Yahoo Finance daily close
Fetched
10 Jun 2026

Stock path

CSGP from pre-transaction context through latest close.

Bought

13 Aug 2025 ยท 87,56 USD

31,961,591,2USDDate13 Aug12 Sept8 JunBoughtDisclosureLatest
Observed transaction close
87,56
Observed disclosure close
86,8
Observed latest close
33,39
Pre-disclosure move
-0.9%
Post-disclosure move
-61.5%
Market-adjusted move
-61.5%

Why Copy Window is Probably too late

Supporting factors

  • Parsed buy disclosure for ordinary shares from House STOCK Act disclosures.
  • Reported amount is $1,001 - $15,000.
  • Post-disclosure move is calculated from Yahoo Finance daily close daily closes.

Cautions

  • Yahoo Finance daily close coverage is end-of-day and should be verified against the official price source.
  • Review the original source document before making any investment decision.

Source document

House STOCK Act disclosures, published 12 Sept 2025, 00.00

View source
Parser confidence
94%
Instrument mapping
95%
FieldExtracted value
roleRepresentative
sidebuy
value1001
sourcehouse_stock_act
tickerCSGP
chamberHouse
currencyUSD
assetTypestock
sourceUrlhttps://disclosures-clerk.house.gov/public_disc/ptr-pdfs/2025/20030932.pdf
personNameLisa McClain
amountRange$1,001 - $15,000
companyNameCoStar Group, Inc. - Common Stock (CSGP)
publishedAt2025-09-12T00:00:00.000Z
rawDocumentIdraw-us-house-20030932-32
disclosureDate2025-09-12
transactionDate2025-08-13
transactionTypeP