John W. Hill

CIK: 0001351689

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (50.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)1 (16.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CSGP

COSTAR GROUP, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

CSGP
COSTAR GROUP, INC.
Aug 5, 2026
Sale(S)
Direct
3.5K shares at avg. $30.21$106K
CSGP
COSTAR GROUP, INC.
Jun 23, 2026
Award(A)
Direct
8.3K shares-
CSGP
COSTAR GROUP, INC.
Nov 13, 2025
Sale(S)
Direct
2.3K shares at avg. $68.68$155K
CSGP
COSTAR GROUP, INC.
Sep 9, 2025
Award(A)
Direct
3.2K shares-
CSGP
COSTAR GROUP, INC.
Dec 10, 2024
Sale(S)
Direct
2.7K shares at avg. $76.76$210K
CSGP
COSTAR GROUP, INC.
Dec 10, 2024
Gift(G)
Direct
195 shares-

		Type	Shares	Price		Ownership
Aug 5, 2026	CSGP COSTAR GROUP, INC.	Sale(S)	3,500	$30.21	$105,735	Direct
Jun 23, 2026	CSGP COSTAR GROUP, INC.	Award(A)	8,262	-	$0	Direct
Nov 13, 2025	CSGP COSTAR GROUP, INC.	Sale(S)	2,250	$68.68	$154,530	Direct
Sep 9, 2025	CSGP COSTAR GROUP, INC.	Award(A)	3,177	-	-	Direct
Dec 10, 2024	CSGP COSTAR GROUP, INC.	Sale(S)	2,735	$76.76	$209,939	Direct
Dec 10, 2024	CSGP COSTAR GROUP, INC.	Gift(G)	195	-	$0	Direct

1-6 of 6 transactions

About Hill John W

Hill John W (SEC CIK 0001351689) files insider reports with the SEC as Director of COSTAR GROUP, INC. (CSGP).

Signal8 holds 5 ownership filings by Hill John W, all Form 4s, filed between Dec 12, 2024 and Aug 10, 2026. Those filings report 6 transactions, from Dec 10, 2024 to Aug 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Hill John W's filings is in ARLINGTON, VA.

Recent filings by Hill John W

Aug 5, 2026: Open-market sale of CSGP shares (Form 4, code S).
Jun 23, 2026: Grant or award of CSGP shares (Form 4, code A).
Nov 13, 2025: Open-market sale of CSGP shares (Form 4, code S).
Sep 9, 2025: Grant or award of CSGP shares (Form 4, code A).
Dec 10, 2024: Open-market sale of CSGP shares (Form 4, code S).

Other insiders filing for COSTAR GROUP, INC. (CSGP)

Rossmann Robin Jack, Chief Financial Officer
Cann Cynthia Cammett, Chief Accounting Officer
FLORANCE ANDREW C, Founder and CEO
SAINT FREDERICK G., President, Marketplaces
LOWN CHRISTIAN M., Chief Financial Officer
Glaser Rachel C, Director

How to read Form 4 transaction codes