Lewis H Ferguson

Insider

First SEC filing: April 6, 2007 · Latest: April 6, 2007

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CCOI selling May 28, 2026

Insider transactions

0 buys (P) 3 sells (S) Net: $-189,172 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 30, 2026	CCOI	A	3,445	—	—	24,539 Direct	+16.33%	Acquired	(price as of 2026-08-21)
May 28, 2026	CCOI	S	2,800	$20.36	$57,008	21,094 Direct	-11.72%	Disposed	-51.5% (price as of 2026-08-21)
March 31, 2026	CCOI	A	3,445	—	—	23,894 Direct	+16.85%	Acquired	(price as of 2026-08-21)
March 5, 2026	CCOI	S	2,206	$23.03	$50,804	20,449 Direct	-9.74%	Disposed	-57.1% (price as of 2026-08-21)
Dec. 31, 2025	CCOI	A	3,388	—	—	22,655 Direct	+17.58%	Acquired	(price as of 2026-08-21)
Dec. 2, 2025	CCOI	S	4,000	$20.34	$81,360	19,267 Direct	-17.19%	Disposed	-51.5% (price as of 2026-08-21)
Sept. 30, 2025	CCOI	A	2,395	—	—	23,267 Direct	+11.47%	Acquired	(price as of 2026-08-21)
Jan. 1, 2025	CCOI	A	1,254	—	—	19,608 Direct	+6.83%	Acquired	(price as of 2026-08-21)
Nov. 18, 2024	CCOI	S	846	$81.76	$69,169	18,354 Direct	-4.41%	Disposed	-87.9% (price as of 2026-08-21)
Oct. 1, 2024	CCOI	A	1,452	—	—	19,200 Direct	+8.18%	Acquired	(price as of 2026-08-21)
Aug. 22, 2024	CCOI	S	1,550	$72.62	$112,561	17,748 Direct	-8.03%	Disposed	-86.4% (price as of 2026-08-21)
July 1, 2024	CCOI	A	1,675	—	—	19,298 Direct	+9.50%	Acquired	(price as of 2026-08-21)
May 21, 2024	CCOI	S	2,000	$58.90	$117,800	17,623 Direct	-10.19%	Disposed	-83.2% (price as of 2026-08-21)
April 1, 2024	CCOI	A	1,370	—	—	19,623 Direct	+7.51%	Acquired	(price as of 2026-08-21)
Jan. 1, 2024	CCOI	A	1,403	—	—	18,253 Direct	+8.33%	Acquired	(price as of 2026-08-21)
Nov. 30, 2023	CCOI	S	950	$64.60	$61,370	16,850 Direct	-5.34%	Disposed	-84.7% (price as of 2026-08-21)
Oct. 1, 2023	CCOI	A	1,433	—	—	17,800 Direct	+8.76%	Acquired	(price as of 2026-08-21)
Aug. 29, 2023	CCOI	S	650	$69.64	$45,266	16,367 Direct	-3.82%	Disposed	-85.8% (price as of 2026-08-21)
July 1, 2023	CCOI	A	1,435	—	—	17,017 Direct	+9.21%	Acquired	(price as of 2026-08-21)
May 30, 2023	CCOI	S	640	$63.24	$40,474	15,582 Direct	-3.95%	Disposed	-84.4% (price as of 2026-08-21)
April 1, 2023	CCOI	A	1,456	—	—	16,222 Direct	+9.86%	Acquired	(price as of 2026-08-21)
March 13, 2009	CCOI	S	6,000	$6.83	$40,980	10,112 Direct	-37.24%	Disposed	44.5% (price as of 2026-08-21)
Jan. 8, 2009	CCOI	P	8,900	$7.37	$65,593	16,112 Direct	+123.41%	Acquired	33.9% (price as of 2026-08-21)
Jan. 7, 2009	CCOI	P	1,500	$7.24	$10,860	7,212 Direct	+26.26%	Acquired	36.3% (price as of 2026-08-21)
Jan. 1, 2008	CCOI	A	5,712	—	—	5,712 Direct	—	Acquired	(price as of 2026-08-21)

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
April 6, 2007	CCOI	common stock	0	Direct