John W Hill

Insider

First SEC filing: Oct. 1, 2012 · Latest: Feb. 9, 2022

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CSGP selling Aug. 5, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-260,265 + 22 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

22 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 5, 2026	CSGP	S	3,500	$30.21	$105,735	22,993 Direct	-13.21%	Disposed	10.8% (price as of 2026-08-20)
June 23, 2026	CSGP	A	8,262	—	—	26,493 Direct	+45.32%	Acquired	(price as of 2026-08-20)
Nov. 13, 2025	CSGP	S	2,250	$68.68	$154,530	18,231 Direct	-10.99%	Disposed	-51.3% (price as of 2026-08-20)
Sept. 9, 2025	CSGP	A	3,177	—	—	20,481 Direct	+18.36%	Acquired	(price as of 2026-08-20)
Dec. 10, 2024	CSGP	G	195	—	—	17,304 Direct	-1.11%	Disposed	(price as of 2026-08-20)
Dec. 10, 2024	CSGP	S	2,735	$76.76	$209,939	17,499 Direct	-13.52%	Disposed	-56.4% (price as of 2026-08-20)
July 30, 2024	CSGP	S	1,325	$78.16	$103,562	16,545 Direct	-7.41%	Disposed	-57.2% (price as of 2026-08-20)
July 17, 2024	CSGP	A	3,689	—	—	20,234 Direct	+22.30%	Acquired	(price as of 2026-08-20)
Nov. 28, 2023	CSGP	S	3,020	$84.07	$253,891	17,870 Direct	-14.46%	Disposed	-60.2% (price as of 2026-08-20)
Oct. 30, 2023	CSGP	A	3,956	—	—	20,890 Direct	+23.36%	Acquired	(price as of 2026-08-20)
June 26, 2023	CSGP	S	1,500	$86.57	$129,855	16,934 Direct	-8.14%	Disposed	-61.3% (price as of 2026-08-20)
March 31, 2023	CSGP	S	2,300	$68.50	$157,550	18,434 Direct	-11.09%	Disposed	-51.1% (price as of 2026-08-20)
Nov. 3, 2022	CSGP	S	3,650	$78.92	$288,058	20,734 Direct	-14.97%	Disposed	-57.6% (price as of 2026-08-20)
Sept. 14, 2022	CSGP	A	3,786	—	—	24,384 Direct	+18.38%	Acquired	(price as of 2026-08-20)
Aug. 10, 2022	CSGP	S	1,400	$74.49	$104,286	20,598 Direct	-6.36%	Disposed	-55.1% (price as of 2026-08-20)
May 24, 2022	CSGP	S	1,750	$57.07	$99,872	21,998 Direct	-7.37%	Disposed	-41.4% (price as of 2026-08-20)
Oct. 29, 2021	CSGP	S	9,235	$86.97	$803,168	23,923 Direct	-27.85%	Disposed	-61.5% (price as of 2026-08-20)
Sept. 15, 2021	CSGP	A	3,148	$88.95	$280,015	33,158 Direct	+10.49%	Acquired	-62.4% (price as of 2026-08-20)
Aug. 9, 2021	CSGP	S	6,160	$85.76	$528,282	30,200 Direct	-16.94%	Disposed	-61.0% (price as of 2026-08-20)
March 26, 2021	CSGP	G	190	—	—	30,010 Direct	-0.63%	Disposed	(price as of 2026-08-20)
Sept. 24, 2020	CSGP	A	251	—	—	3,657 Direct	+7.37%	Acquired	(price as of 2026-08-20)
Aug. 12, 2020	CSGP	G	21	—	—	3,636 Direct	-0.57%	Disposed	(price as of 2026-08-20)
Dec. 31, 2019	CSGP	S	500	$591.90	$295,950	3,406 Direct	-12.80%	Disposed	-43.5% (price as of 2026-08-20)
Sept. 19, 2019	CSGP	A	343	—	—	3,906 Direct	+9.63%	Acquired	(price as of 2026-08-20)
June 24, 2019	CSGP	S	315	$553.23	$174,267	3,563 Direct	-8.12%	Disposed	-39.5% (price as of 2026-08-20)
June 20, 2019	CSGP	G	29	—	—	3,878 Direct	-0.74%	Disposed	(price as of 2026-08-20)
Dec. 26, 2018	CSGP	S	1,042	$330.88	$344,777	3,907 Direct	-21.05%	Disposed	1.2% (price as of 2026-08-20)
Sept. 20, 2018	CSGP	A	488	—	—	4,986 Direct	+10.85%	Acquired	(price as of 2026-08-20)
May 31, 2018	CSGP	G	37	—	—	4,949 Direct	-0.74%	Disposed	(price as of 2026-08-20)
March 29, 2018	CSGP	S	1,150	$361.28	$415,472	4,498 Direct	-20.36%	Disposed	-7.4% (price as of 2026-08-20)
Sept. 13, 2017	CSGP	A	745	—	—	5,648 Direct	+15.19%	Acquired	(price as of 2026-08-20)
May 17, 2017	CSGP	G	50	—	—	4,903 Direct	-1.01%	Disposed	(price as of 2026-08-20)
May 2, 2017	CSGP	S	440	$244.52	$107,589	4,953 Direct	-8.16%	Disposed	36.9% (price as of 2026-08-20)
Sept. 15, 2016	CSGP	A	968	—	—	5,393 Direct	+21.88%	Acquired	(price as of 2026-08-20)
Dec. 7, 2015	CSGP	G	300	—	—	4,425 Direct	-6.35%	Disposed	(price as of 2026-08-20)
Sept. 9, 2015	CSGP	A	1,156	—	—	4,725 Direct	+32.39%	Acquired	(price as of 2026-08-20)
Sept. 11, 2014	CSGP	A	1,298	—	—	3,569 Direct	+57.16%	Acquired	(price as of 2026-08-20)
Sept. 19, 2013	CSGP	A	1,217	—	—	2,271 Direct	+115.46%	Acquired	(price as of 2026-08-20)
Sept. 27, 2012	CSGP	A	1,054	—	—	1,054 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Oct. 1, 2012	CSGP	Common Stock, par value $0.01 per share	0	Direct