John W. Hill - 23 Jun 2026 Form 4 Insider Report for COSTAR GROUP, INC. (CSGP)

Reporting relationship: Director
Issuer ticker: CSGP
Reported as of: 23 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Jun 2026, 21:13:51 UTC
Prior SEC filing: 17 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Gene Boxer, Attorney-in-Fact

Key filing fact

John W. Hill filed Form 4 for COSTAR GROUP, INC. (CSGP) on 24 Jun 2026.

Key facts

This page summarizes John W. Hill's Form 4 filing for COSTAR GROUP, INC. (CSGP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 24 Jun 2026, 21:13.

Change

Previous filing in this sequence was filed on 17 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001351689 Primary reporting owner

Hill John W

Relationship: Director
Address: C/O COSTAR GROUP, INC., 1201 WILSON BLVD., ARLINGTON
Signature: /s/ Gene Boxer, Attorney-in-Fact
Signature date: 24 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CSGP transaction

Common Stock, par value $0.01 per share

Award

Transaction value
Shares: +8,262
Change %: +45%
Price: $0.000000^*
Shares after: 26,493
Date: 23 Jun 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The restricted stock award vests in full on the earlier of either the first anniversary of the grant date or the date of the Company's 2027 Annual Meeting of Stockholders.