CSGP Filing
4Filing Date: Aug 4, 2026
COSTAR GROUP, INC. (CSGP) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001472762-26-000010open_in_new
Total Value$31.0K
Trades2
Insiders1
Transaction Details
Cann Cynthia Cammett
Chief Accounting Officer·Direct
Tax W/H · Dispose
Common Stock, par value $0.01 per share
Shares-1.08K
Price$28.76
Total Value$31.0K
Shares Owned After23.61K
Transaction DateAug 1, 2026
Cann Cynthia Cammett
Chief Accounting Officer·Direct
Grant · Acquire
Restricted Stock UnitsDerivative
Shares+26.08K
Price$0.00
Total Value$0
Shares Owned After26.08K
Transaction DateJul 31, 2026
Footnotes ▸
Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock. | The restricted stock units vest in four equal installments on August 1, 2027, August 1, 2028, August 1, 2029, and August 1, 2030. | The restricted stock units vest in four equal installments on August 1, 2027, August 1, 2028, August 1, 2029, and August 1, 2030.
Post-Transaction Holdings
Cann Cynthia Cammett
| Security | Shares | Change |
|---|---|---|
| Common Stock, par value $0.01 per share | 23.61K | -1.08K (-4.36%) |
| Restricted Stock Units | 26.08K | +26.08K |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-07-31
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: COSTAR GROUP, INC. (CSGP)
CIK: 0001057352
--- Reporting Owner ---
Name: Cann Cynthia Cammett
CIK: 0001472762
Role: Officer (Chief Accounting Officer)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock, par value $0.01 per share
Date: 2026-08-01 | Code: F (Payment of exercise/tax)
Shares: -1,077 | Price: $28.76
Total Value: $30,974.52
Shares Owned After: 23,610 | Ownership: D (Direct)
--- Derivative Transactions ---
[Transaction #1]
Security: Restricted Stock Units
Date: 2026-07-31 | Code: A (Grant or award)
Shares: +26,078 | Price: $0.00
Shares Owned After: 26,078 | Ownership: D (Direct)
Footnotes:
[F1] Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.
[F2] The restricted stock units vest in four equal installments on August 1, 2027, August 1, 2028, August 1, 2029, and August 1, 2030.
[F2] The restricted stock units vest in four equal installments on August 1, 2027, August 1, 2028, August 1, 2029, and August 1, 2030.
--- Footnotes (Complete Index) ---
F1: Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.
F2: The restricted stock units vest in four equal installments on August 1, 2027, August 1, 2028, August 1, 2029, and August 1, 2030.
--- Signature ---
/s/ /s/ Gene Boxer, Attorney-in-Fact (2026-08-04)