Stocks · Communication · Communications Services, NEC

COGENT COMMUNICATIONS HOLDINGS, INC.

CCOI Clue Score33
United States Fiscal year ends December CIK 0001158324
$8.40 -1.64% Close, 12 Oct 2026

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
8.40 on 12 Oct 2026
45 26 7 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $43.60 14 Oct 2025 $44.01 15 Oct 2025 $45.10 16 Oct 2025 $44.85 17 Oct 2025 $43.45 20 Oct 2025 $44.35 21 Oct 2025 $44.15 22 Oct 2025 $43.11 23 Oct 2025 $42.72 24 Oct 2025 $42.96 27 Oct 2025 $44.14 28 Oct 2025 $43.47 29 Oct 2025 $42.99 30 Oct 2025 $40.21 31 Oct 2025 $41.25 3 Nov 2025 $40.77 4 Nov 2025 $39.96 5 Nov 2025 $38.30 6 Nov 2025 $24.95 7 Nov 2025 $23.49 10 Nov 2025 $22.12 11 Nov 2025 $20.62 12 Nov 2025 $18.49 13 Nov 2025 $16.68 14 Nov 2025 $17.55 17 Nov 2025 $18.50 18 Nov 2025 $19.81 19 Nov 2025 $16.98 20 Nov 2025 $16.68 21 Nov 2025 $17.05 24 Nov 2025 $17.16 25 Nov 2025 $17.89 26 Nov 2025 $19.00 28 Nov 2025 $19.08 1 Dec 2025 $19.47 2 Dec 2025 $19.99 3 Dec 2025 $19.59 4 Dec 2025 $18.75 5 Dec 2025 $19.62 8 Dec 2025 $21.19 9 Dec 2025 $21.44 10 Dec 2025 $23.82 11 Dec 2025 $24.33 12 Dec 2025 $23.27 15 Dec 2025 $22.84 16 Dec 2025 $23.05 17 Dec 2025 $22.68 18 Dec 2025 $22.51 19 Dec 2025 $21.78 22 Dec 2025 $22.57 23 Dec 2025 $21.90 24 Dec 2025 $22.25 26 Dec 2025 $22.56 29 Dec 2025 $21.95 30 Dec 2025 $21.86 31 Dec 2025 $21.56 2 Jan 2026 $20.62 5 Jan 2026 $19.51 6 Jan 2026 $20.72 7 Jan 2026 $22.12 8 Jan 2026 $22.32 9 Jan 2026 $22.94 12 Jan 2026 $23.28 13 Jan 2026 $22.76 14 Jan 2026 $23.44 15 Jan 2026 $23.21 16 Jan 2026 $23.85 20 Jan 2026 $23.12 21 Jan 2026 $23.72 22 Jan 2026 $24.71 23 Jan 2026 $24.29 26 Jan 2026 $24.02 27 Jan 2026 $23.87 28 Jan 2026 $23.39 29 Jan 2026 $24.04 30 Jan 2026 $24.30 2 Feb 2026 $24.71 3 Feb 2026 $24.25 4 Feb 2026 $24.11 5 Feb 2026 $22.55 6 Feb 2026 $24.29 9 Feb 2026 $25.07 10 Feb 2026 $26.36 11 Feb 2026 $26.51 12 Feb 2026 $26.30 13 Feb 2026 $26.46 17 Feb 2026 $26.79 18 Feb 2026 $27.66 19 Feb 2026 $26.31 20 Feb 2026 $18.59 23 Feb 2026 $17.87 24 Feb 2026 $18.94 25 Feb 2026 $18.49 26 Feb 2026 $18.55 27 Feb 2026 $18.76 2 Mar 2026 $22.19 3 Mar 2026 $21.63 4 Mar 2026 $23.09 5 Mar 2026 $22.77 6 Mar 2026 $23.07 9 Mar 2026 $22.50 10 Mar 2026 $22.01 11 Mar 2026 $21.34 12 Mar 2026 $19.63 13 Mar 2026 $18.80 16 Mar 2026 $19.33 17 Mar 2026 $20.33 18 Mar 2026 $19.33 19 Mar 2026 $20.02 20 Mar 2026 $18.05 23 Mar 2026 $18.85 24 Mar 2026 $18.27 25 Mar 2026 $18.34 26 Mar 2026 $17.92 27 Mar 2026 $17.62 30 Mar 2026 $17.46 31 Mar 2026 $18.84 1 Apr 2026 $18.31 2 Apr 2026 $19.00 6 Apr 2026 $19.22 7 Apr 2026 $20.16 8 Apr 2026 $19.72 9 Apr 2026 $20.44 10 Apr 2026 $20.31 13 Apr 2026 $21.38 14 Apr 2026 $22.54 15 Apr 2026 $23.53 16 Apr 2026 $23.25 17 Apr 2026 $23.63 20 Apr 2026 $24.39 21 Apr 2026 $23.50 22 Apr 2026 $23.34 23 Apr 2026 $23.97 24 Apr 2026 $24.47 27 Apr 2026 $24.68 28 Apr 2026 $24.21 29 Apr 2026 $23.46 30 Apr 2026 $22.65 1 May 2026 $23.16 4 May 2026 $16.37 5 May 2026 $18.06 6 May 2026 $16.60 7 May 2026 $16.32 8 May 2026 $16.65 11 May 2026 $16.40 12 May 2026 $16.11 13 May 2026 $15.77 14 May 2026 $16.11 15 May 2026 $16.48 18 May 2026 $17.22 19 May 2026 $17.68 20 May 2026 $17.77 21 May 2026 $18.37 22 May 2026 $18.16 26 May 2026 $19.96 27 May 2026 $21.62 28 May 2026 $19.82 29 May 2026 $17.76 1 Jun 2026 $17.69 2 Jun 2026 $17.40 3 Jun 2026 $16.39 4 Jun 2026 $17.29 5 Jun 2026 $16.83 8 Jun 2026 $16.78 9 Jun 2026 $15.81 10 Jun 2026 $14.46 11 Jun 2026 $14.94 12 Jun 2026 $15.86 15 Jun 2026 $16.45 16 Jun 2026 $16.05 17 Jun 2026 $14.61 18 Jun 2026 $14.19 22 Jun 2026 $14.66 23 Jun 2026 $14.16 24 Jun 2026 $13.52 25 Jun 2026 $13.16 26 Jun 2026 $13.41 29 Jun 2026 $13.14 30 Jun 2026 $13.88 1 Jul 2026 $14.28 2 Jul 2026 $12.99 6 Jul 2026 $12.19 7 Jul 2026 $11.66 8 Jul 2026 $12.36 9 Jul 2026 $12.64 10 Jul 2026 $12.61 13 Jul 2026 $12.93 14 Jul 2026 $12.25 15 Jul 2026 $12.52 16 Jul 2026 $11.71 17 Jul 2026 $10.97 20 Jul 2026 $12.40 21 Jul 2026 $12.70 22 Jul 2026 $12.93 23 Jul 2026 $12.90 24 Jul 2026 $11.87 27 Jul 2026 $12.22 28 Jul 2026 $12.95 29 Jul 2026 $12.69 30 Jul 2026 $13.24 31 Jul 2026 $13.50 3 Aug 2026 $13.23 4 Aug 2026 $13.30 5 Aug 2026 $12.87 6 Aug 2026 $10.91 7 Aug 2026 $9.92 10 Aug 2026 $10.30 11 Aug 2026 $10.82 12 Aug 2026 $10.25 13 Aug 2026 $10.35 14 Aug 2026 $11.31 17 Aug 2026 $10.75 18 Aug 2026 $10.13 19 Aug 2026 $10.37 20 Aug 2026 $10.01 21 Aug 2026 $9.17 24 Aug 2026 $9.49 25 Aug 2026 $9.88 26 Aug 2026 $10.05 27 Aug 2026 $9.67 28 Aug 2026 $9.48 31 Aug 2026 $9.54 1 Sep 2026 $9.01 2 Sep 2026 $10.22 3 Sep 2026 $9.98 4 Sep 2026 $10.05 8 Sep 2026 $9.64 9 Sep 2026 $9.33 10 Sep 2026 $9.09 11 Sep 2026 $9.33 14 Sep 2026 $9.32 15 Sep 2026 $9.25 16 Sep 2026 $8.67 17 Sep 2026 $9.21 18 Sep 2026 $9.01 21 Sep 2026 $9.29 22 Sep 2026 $9.31 23 Sep 2026 $8.13 24 Sep 2026 $7.64 25 Sep 2026 $7.69 28 Sep 2026 $7.43 29 Sep 2026 $7.34 30 Sep 2026 $7.79 1 Oct 2026 $8.23 2 Oct 2026 $8.46 5 Oct 2026 $8.88 6 Oct 2026 $9.31 7 Oct 2026 $9.94 8 Oct 2026 $9.56 9 Oct 2026 $8.54 12 Oct 2026 $8.40 Kennedy Sheryl Lynn Director Sold at will $51.22K 11 Nov 2025 · at $21.34 · 19.3% of stake KILMER HENRY W VP OF NETWORK STRATEGY Bought $0.00 1 Dec 2025 · at $0.00 · 6.6% of stake FERGUSON Lewis H Director Sold at will $81.34K 2 Dec 2025 · at $20.34 · 17.2% of stake KILMER HENRY W VP OF NETWORK STRATEGY Sold at will $94.99K 8 Dec 2025 · at $19.79 · 12.4% of stake WEED THADDEUS GERARD VICE PRESIDENT, CFO Sold at will $175.13K 11 Dec 2025 · at $23.99 · 7.6% of stake FERGUSON Lewis H Director Sold at will $50.80K 5 Mar 2026 · at $23.03 · 9.7% of stake Kennedy Sheryl Lynn Director Sold at will $75.87K 5 Mar 2026 · at $22.99 · 24.6% of stake WEED THADDEUS GERARD VICE PRESIDENT, CFO Sold at will $109.76K 5 Mar 2026 · at $22.63 · 2.3% of stake KILMER HENRY W VP OF NETWORK STRATEGY Sold at will $56.04K 6 Mar 2026 · at $23.35 · 5.5% of stake Kennedy Sheryl Lynn Director Sold at will $53.52K 14 May 2026 · at $16.22 · 24.4% of stake FERGUSON Lewis H Director Sold at will $57.01K 28 May 2026 · at $20.36 · 11.7% of stake KILMER HENRY W VP OF NETWORK STRATEGY Sold at will $40.82K 15 Jun 2026 · at $17.01 · 5.9% of stake WEED THADDEUS GERARD VICE PRESIDENT, CFO Sold at will $81.43K 16 Jun 2026 · at $16.79 · 2.4% of stake WEED THADDEUS GERARD VICE PRESIDENT, CFO Sold at will $45.44K 2 Sep 2026 · at $9.37 · 2.5% of stake KILMER HENRY W VP OF NETWORK STRATEGY Sold at will $22.10K 15 Sep 2026 · at $9.21 · 6.2% of stake
1 buy14 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$975.77M
Net income
$182.17M
Free cash flow
$198.15M
Operating margin
-10.4%
Net margin
-18.7%
Return on capital
-4.8%
Revenue growth, 1 yr
-5.8%
Revenue growth, 5 yr
11.4% a year

Revenue and profit

Fiscal years, as filed with the SEC · point at a year for the detail
Full statements →
568M 6M FY20 Fiscal year 2020 Revenue $568.10M Net income $6.22M Margin 1.1% 590M 48M FY21 Fiscal year 2021 Revenue $589.80M Net income $48.19M Margin 8.2% · growth +3.8% 600M 5M FY22 Fiscal year 2022 Revenue $599.60M Net income $5.15M Margin 0.9% · growth +1.7% 941M 1.3B FY23 Fiscal year 2023 Revenue $940.92M Net income $1.27B Margin 135.3% · growth +56.9% 1B -204M FY24 Fiscal year 2024 Revenue $1.04B Net income $204.07M Margin -19.7% · growth +10.1% 976M -182M FY25 Fiscal year 2025 Revenue $975.77M Net income $182.17M Margin -18.7% · growth -5.8%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
15 Sep 2026 KILMER HENRY W
VP OF NETWORK STRATEGY
Sold at will $22.10K 6.2%
2 Sep 2026 WEED THADDEUS GERARD
VICE PRESIDENT, CFO
Sold at will $45.44K 2.5%
16 Jun 2026 WEED THADDEUS GERARD
VICE PRESIDENT, CFO
Sold at will $81.43K 2.4%
15 Jun 2026 KILMER HENRY W
VP OF NETWORK STRATEGY
Sold at will $40.82K 5.9%
28 May 2026 FERGUSON Lewis H
Director
Sold at will $57.01K 11.7%
14 May 2026 Kennedy Sheryl Lynn
Director
Sold at will $53.52K 24.4%