CSGP Filing
4Filing Date: Jul 6, 2026
COSTAR GROUP, INC. (CSGP) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001701994-26-000006open_in_new
Total Value$164.3K
Trades1
Insiders1
Transaction Details
LOWN CHRISTIAN M.
Chief Financial Officer·Direct
Tax W/H · Dispose
Common Stock, par value $0.01 per share
Shares-5.60K
Price$29.36
Total Value$164.3K
Shares Owned After129.65K
Transaction DateJul 1, 2026
Post-Transaction Holdings
LOWN CHRISTIAN M.
| Security | Shares | Change |
|---|---|---|
| Common Stock, par value $0.01 per share | 129.65K | -5.60K (-4.14%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-07-01
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: COSTAR GROUP, INC. (CSGP)
CIK: 0001057352
--- Reporting Owner ---
Name: LOWN CHRISTIAN M.
CIK: 0001701994
Role: Officer (Chief Financial Officer)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock, par value $0.01 per share
Date: 2026-07-01 | Code: F (Payment of exercise/tax)
Shares: -5,597 | Price: $29.36
Total Value: $164,327.92
Shares Owned After: 129,653 | Ownership: D (Direct)
--- Signature ---
/s/ /s/ Lisa M. Tanzi, Attorney-in-Fact (2026-07-06)