Steven D Brooks

Insider

First SEC filing: Aug. 18, 2009 · Latest: Aug. 18, 2009

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.

Insider at

CCOI selling May 16, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 37 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

37 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 30, 2026	CCOI	A	3,445	—	—	58,693 Direct	+6.24%	Acquired	(price as of 2026-08-20)
March 31, 2026	CCOI	A	3,445	—	—	55,248 Direct	+6.65%	Acquired	(price as of 2026-08-20)
Dec. 31, 2025	CCOI	A	3,388	—	—	51,803 Direct	+7.00%	Acquired	(price as of 2026-08-20)
Sept. 30, 2025	CCOI	A	2,395	—	—	48,415 Direct	+5.20%	Acquired	(price as of 2026-08-20)
April 1, 2023	CCOI	A	1,456	—	—	41,277 Direct	+3.66%	Acquired	(price as of 2026-08-20)
July 1, 2018	CCOI	A	1,750	—	—	26,400 Direct	+7.10%	Acquired	(price as of 2026-08-20)
May 16, 2018	CCOI	S	2,000	$50.65	$101,300	24,650 Direct	-7.50%	Disposed	-80.2% (price as of 2026-08-20)
May 8, 2018	CCOI	S	5,000	$48.34	$241,700	26,650 Direct	-15.80%	Disposed	-79.2% (price as of 2026-08-20)
April 1, 2018	CCOI	A	1,750	—	—	31,650 Direct	+5.85%	Acquired	(price as of 2026-08-20)
Jan. 1, 2018	CCOI	A	1,750	—	—	29,900 Direct	+6.22%	Acquired	(price as of 2026-08-20)
Oct. 1, 2017	CCOI	A	1,750	—	—	28,150 Direct	+6.63%	Acquired	(price as of 2026-08-20)
Aug. 7, 2017	CCOI	S	10,000	$43.25	$432,500	26,400 Direct	+60.98%	Acquired	-76.8% (price as of 2026-08-20)
July 1, 2017	CCOI	A	1,750	—	—	36,400 Direct	+5.05%	Acquired	(price as of 2026-08-20)
May 3, 2017	CCOI	A	1,750	—	—	34,650 Direct	+5.32%	Acquired	(price as of 2026-08-20)
March 16, 2017	CCOI	S	3,000	$41.77	$125,310	32,900 Direct	-8.36%	Disposed	-76.0% (price as of 2026-08-20)
Jan. 1, 2017	CCOI	A	1,750	—	—	35,900 Direct	+5.12%	Acquired	(price as of 2026-08-20)
Oct. 1, 2016	CCOI	A	1,875	—	—	34,150 Direct	+5.81%	Acquired	(price as of 2026-08-20)
July 1, 2016	CCOI	A	1,875	—	—	32,275 Direct	+6.17%	Acquired	(price as of 2026-08-20)
April 1, 2016	CCOI	A	1,875	—	—	30,400 Direct	+6.57%	Acquired	(price as of 2026-08-20)
March 1, 2016	CCOI	S	5,000	$37.71	$188,550	28,525 Direct	-14.91%	Disposed	-73.4% (price as of 2026-08-20)
Feb. 29, 2016	CCOI	S	5,000	$36.87	$184,350	33,525 Direct	-12.98%	Disposed	-72.8% (price as of 2026-08-20)
Jan. 1, 2016	CCOI	A	1,875	—	—	38,525 Direct	+5.12%	Acquired	(price as of 2026-08-20)
Oct. 1, 2015	CCOI	A	1,875	—	—	36,650 Direct	+5.39%	Acquired	(price as of 2026-08-20)
July 1, 2015	CCOI	A	1,875	—	—	34,775 Direct	+5.70%	Acquired	(price as of 2026-08-20)
April 1, 2015	CCOI	A	1,875	—	—	32,900 Direct	+6.04%	Acquired	(price as of 2026-08-20)
Jan. 1, 2015	CCOI	A	1,875	—	—	31,025 Direct	+6.43%	Acquired	(price as of 2026-08-20)
Oct. 1, 2014	CCOI	A	1,875	—	—	29,150 Direct	+6.87%	Acquired	(price as of 2026-08-20)
July 1, 2014	CCOI	A	1,875	—	—	27,275 Direct	+7.38%	Acquired	(price as of 2026-08-20)
April 1, 2014	CCOI	A	1,875	—	—	25,400 Direct	+7.97%	Acquired	(price as of 2026-08-20)
Jan. 2, 2014	CCOI	S 10b5-1	2,000	$39.88	$79,760	23,525 Direct	-7.84%	Disposed	-74.8% (price as of 2026-08-20)
Jan. 1, 2014	CCOI	A	1,875	—	—	25,525 Direct	+7.93%	Acquired	(price as of 2026-08-20)
Oct. 1, 2013	CCOI	S 10b5-1	2,000	$32.26	$64,520	23,650 Direct	-7.80%	Disposed	-68.9% (price as of 2026-08-20)
Oct. 1, 2013	CCOI	A	2,500	—	—	25,650 Direct	+10.80%	Acquired	(price as of 2026-08-20)
July 1, 2013	CCOI	S 10b5-1	2,000	$28.30	$56,600	23,150 Direct	-7.95%	Disposed	-64.5% (price as of 2026-08-20)
July 1, 2013	CCOI	A	2,500	—	—	25,150 Direct	+11.04%	Acquired	(price as of 2026-08-20)
June 14, 2013	CCOI	S	3,000	$27.67	$83,010	22,650 Direct	-11.70%	Disposed	-63.7% (price as of 2026-08-20)
April 1, 2013	CCOI	A	2,500	—	—	25,650 Direct	+10.80%	Acquired	(price as of 2026-08-20)
Jan. 1, 2013	CCOI	A	2,500	—	—	23,150 Direct	+12.11%	Acquired	(price as of 2026-08-20)
Oct. 1, 2012	CCOI	A	2,500	—	—	20,650 Direct	+13.77%	Acquired	(price as of 2026-08-20)
Sept. 14, 2012	CCOI	S	5,000	$20.93	$104,650	18,150 Direct	-21.60%	Disposed	-52.0% (price as of 2026-08-20)
July 1, 2012	CCOI	A	2,500	—	—	23,150 Direct	+12.11%	Acquired	(price as of 2026-08-20)
April 1, 2012	CCOI	A	2,500	—	—	20,650 Direct	+13.77%	Acquired	(price as of 2026-08-20)
Jan. 1, 2012	CCOI	A	2,500	—	—	18,150 Direct	+15.97%	Acquired	(price as of 2026-08-20)
Nov. 9, 2010	CCOI	S	32,835	$11.75	$385,811	15,650 Direct	-67.72%	Disposed	-14.6% (price as of 2026-08-20)
Jan. 5, 2010	CCOI	P	5,000	$9.93	$49,650	48,485 Direct	+11.50%	Acquired	1.1% (price as of 2026-08-20)
Aug. 14, 2009	CCOI	S	600	$11.15	$6,690	43,485 Direct	-1.36%	Disposed	-10.0% (price as of 2026-08-20)
Jan. 5, 2009	CCOI	P	11,000	$6.64	$73,040	44,085 Direct	+33.25%	Acquired	51.2% (price as of 2026-08-20)
Dec. 19, 2008	CCOI	A	7,500	—	—	33,085 Direct	+29.31%	Acquired	(price as of 2026-08-20)
Nov. 13, 2008	CCOI	J	6,835	—	—	25,585 Direct	+36.45%	Acquired	(price as of 2026-08-20)
Jan. 1, 2008	CCOI	A	7,500	—	—	18,750 Direct	+66.67%	Acquired	(price as of 2026-08-20)
Jan. 8, 2007	CCOI	A	7,500	—	—	1,224,025 Direct	+0.62%	Acquired	(price as of 2026-08-20)
Nov. 14, 2006	CCOI	S	950,000	$14.64	$13,908,000	1,216,525 Indirect	-43.85%	Disposed	-31.4% (price as of 2026-08-20)
Jan. 31, 2006	CCOI	A	3,750	—	—	3,750 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.