Frederick G. Saint - 27 Feb 2026 Form 4 Insider Report for COSTAR GROUP, INC. (CSGP)

Reporting relationship: President, Marketplaces
Issuer ticker: CSGP
Reported as of: 27 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Mar 2026, 19:06:35 UTC
Prior SEC filing: 23 Feb 2026
Next SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Gene Boxer, Attorney-in-Fact

Key filing fact

Frederick G. Saint filed Form 4 for COSTAR GROUP, INC. (CSGP) on 03 Mar 2026.

Key facts

This page summarizes Frederick G. Saint's Form 4 filing for COSTAR GROUP, INC. (CSGP).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 03 Mar 2026, 19:06.

Change

Previous filing in this sequence was filed on 23 Feb 2026.
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 0001500076 Primary reporting owner

SAINT FREDERICK G.

Relationship: President, Marketplaces
Address: C/O COSTAR GROUP, INC., 1201 WILSON BLVD., ARLINGTON
Signature: /s/ Gene Boxer, Attorney-in-Fact
Signature date: 03 Mar 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CSGP transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +39,652
Change %
Price: $0.000000
Shares after: 39,652
Date: 27 Feb 2026
Ownership: Direct
Underlying class: Common Stock, par value $0.01 per share
Underlying amount: 39,652
Exercise price
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.

Footnote F2

The restricted stock units vest in three equal installments on March 1, 2027, March 1, 2028 and March 1, 2029.

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