COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 10,416 Value ($000) $225 Avg Close $29.49 Range $15.94 - $45.64

Q3 2023

Shares 5,418 Value ($000) $335 Avg Close $56.65 Range $49.37 - $62.58

Q2 2020

Shares 2,992 Value ($000) $231 Avg Close $59.24 Range $53.63 - $67.78

Q2 2018

Shares 5,257 Value ($000) $281 Avg Close $33.53 Range $28.42 - $38.12

Q1 2018

Shares 6,651 Value ($000) $289 Avg Close $29.20 Range $23.71 - $30.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,416	$225	$29.49	$15.94 - $45.64
Q3 2023	5,418	$335	$56.65	$49.37 - $62.58
Q2 2020	2,992	$231	$59.24	$53.63 - $67.78
Q2 2018	5,257	$281	$33.53	$28.42 - $38.12
Q1 2018	6,651	$289	$29.20	$23.71 - $30.80