Insider trade

Officer sold ~$127K of CSGP shares in the open market

Traded Nov 13, 2025 · Filed Nov 17, 2025

CoStar GroupCSGP

~$127K
Reported value · 1,841 sh @ $68.79: 23K
Holds after · shares reported: -59.5%
stock since the trade · S&P 500 +13.7%, $68.53 → $27.72 on Oct 1

Why it stands out

CoStar Group's Chief Accounting Officer sold $127K of CoStar Group shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Nov 13, 2025
Reporting period: Not applicable
Filed with the SEC: Nov 17, 2025

Officer$100K–$500K

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$126,642

Shares × reported transaction price

Timing vs results

16 days after results of Oct 28, 2025, 103 days before results of Feb 24, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $68.53 on Nov 13, 2025, within 2% of its 52-week low, after an 18% drop over the previous 30 trading days

52-week range $67.23 (Nov 10, 2025) to $96.83 (Aug 4, 2025), 4% of the way up, from 250 adjusted closes. 30 trading days earlier: $83.90 on Oct 2, 2025. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+3.6%	+2.3%	+1.3%
30 days	-2.9%	+2.5%	-5.4%
90 days	-31.5%	+3.5%	-35.0%
180 days	-50.3%	+11.9%	-62.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0001057352-25-000122
Filed / recorded: Nov 17, 2025, 9:03 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: COSTAR GROUP, INC.
Issuer CIK: 1057352
Ticker: CSGP
Reporting person: Cynthia Cammett Cann
Relationship: Officer
Officer title: Chief Accounting Officer
Security: Common Stock, par value $0.01 per share
Table: Non-derivative (Table I)
Transaction date: Nov 13, 2025
Transaction code: S
Shares / units: 1,841
Price per share: $68.79
Acquired / disposed: Disposed (D)
Shares owned after: 23,211
Ownership form: Direct
Amendment: No

Footnotes from the filing

Average based on sales prices ranging from $68.78 to $68.85.

Around the same time

11mo ago

Congress trade

$1,001 - $15,000Reported range · official band, not an exact amount

2 different filers disclosed CSGP within 90 days. Disclosed 34 days after the transaction; reported as an official range, not an exact amount.

Why it stands out Official record

Director sold11mo ago

~$155KReported value · 2,250 sh @ $68.68

20K → 18K shares held−11% of their stake

A board member of CoStar Group sold $155K of CoStar Group shares. Nobody planned it ahead of time.

Why it stands out Official record

12mo ago

Congress trade

$1,001 - $15,000Reported range · official band, not an exact amount

2 different filers disclosed CSGP within 90 days. Disclosed 27 days after the transaction; reported as an official range, not an exact amount.

Why it stands out Official record

Why it stands out

Dates, kept separate

Context

After it was reported

Source receipt

Footnotes from the filing

Around the same time

$1,001 - $15,000Reported range · official band, not an exact amount

~$155KReported value · 2,250 sh @ $68.68

$1,001 - $15,000Reported range · official band, not an exact amount

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