Insider · CIK 0001654298

James Bubeck

Files at: CCOI. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $321k · 10net −$321k

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Mar 1, 2019 SForm 4 →	Mar 4, 2:10 pm EST	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	1,920	$48.99	$94,067	31,372	−5.77%	plan?
Jan 2, 2019 SForm 4 →	Jan 3, 2:40 pm EST	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	250	$44.51	$11,127	33,292	−0.75%	plan?
May 11, 2018 SForm 4 →	May 11, 12:40 pm EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	2,000	$50.36	$100,724	33,542	−5.63%	plan?
Mar 2, 2018 SForm 4 →	Mar 2, 5:28 pm EST	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	300	$43.01	$12,902	35,542	−0.84%	plan?
Feb 21, 2018 AForm 4 →	Feb 22, 4:49 pm EST	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	9,600	—	—	35,842	—	plan?
Dec 1, 2017 SForm 4 →	Dec 5, 9:18 am EST	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	250	$46.66	$11,664	26,242	−0.94%	plan?
Aug 11, 2017 SForm 4 →	Aug 14, 2:49 pm EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	500	$43.56	$21,781	26,492	−1.85%	plan?
Jun 1, 2017 SForm 4 →	Jun 5, 10:16 am EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	300	$39.87	$11,962	26,992	−1.10%	plan?
May 3, 2017 AForm 4 →	May 3, 4:18 pm EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	9,600	—	—	27,292	—	plan?
Mar 1, 2017 SForm 4 →	May 2, 1:35 pm EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	400	$41.69	$16,675	17,692	−2.21%	plan? late
Nov 9, 2016 SForm 4 →	Nov 10, 2:51 pm EST	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	800	$39.76	$31,808	18,092	−4.23%	plan?
Aug 25, 2016 SForm 4 →	Aug 26, 9:57 am EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	233	$36.26	$8,447	18,892	−1.22%	plan?
May 4, 2016 AForm 4 →	May 5, 11:08 am EDT	COGENT COMMUNICATIONS HOLDINGS, INC.CCOI	12,000	—	—	19,125	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.