SEC Form 4 · accession 0001390194-26-000002
COSTAR GROUP, INC. · CSGP
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Robert W Musslewhite
Director
Period of report
Jun 23, 2026
Accepted (ET)
Jun 24, 2026 · 9:13 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001057352
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.01 per shareF1 | Jun 23, 2026 | A | 8,262 | $0.00 | A | 26,539 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The 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.