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Who

Steven D. Brooks

Director

Company insider

Files Form 4 as: Director, Cogent Communications Holdings.

In numbers

Trades disclosed
93
Buys
2
Sells
18
Bought
$123K
Sold
$17.4M
Companies
1
Companies where not an officer
1
First trade
31 Jan 2006
Last trade
30 Sep 2026
Last filed
30 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CCOI Cogent Communications HoldingsDirector · Telecom Carriers · last 30 Sep 20262 buys · 18 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month. 1 lines have no legible date and are left out.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 30 Sep 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
30 Sep 2026filed 30 Sep 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
30 Jun 2026filed 1 Jul 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
30 Jun 2026filed 1 Jul 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
31 Mar 2026filed 31 Mar 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
31 Mar 2026filed 31 Mar 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
31 Dec 2025filed 5 Jan 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,388 at $0.00filing
31 Dec 2025filed 5 Jan 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,388 at $0.00filing
30 Sep 2025filed 1 Oct 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—2,395 at $0.00filing
30 Jun 2025filed 1 Jul 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,968 at $0.00filing
31 Mar 2025filed 31 Mar 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,352 at $0.00filing
21 Jan 2025filed 22 Jan 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code G—299 at $0.00filing
1 Jan 2025filed 3 Jan 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,254 at $0.00filing
1 Oct 2024filed 22 Oct 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,452 at $0.00filing
1 Oct 2024filed 1 Oct 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,452 at $0.00filing
1 Jul 2024filed 2 Jul 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,675 at $0.00filing
1 Apr 2024filed 1 Apr 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,370 at $0.00filing
22 Mar 2024filed 2 Apr 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code G—300 at $0.00filing
1 Jan 2024filed 3 Jan 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,403 at $0.00filing
1 Jan 2024filed 3 Jan 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,403 at $0.00filing

News

Cogent Communications to Host Third Quarter 2026 Earnings Call on November 5, 2026CCOI · prnewswire.com · 14 Oct 2026

0 headlines in the last 90 days name Steven D. Brooks; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Communications20

Buys in green, sells in red, by the company’s sector.

Related people

Eve N. HowardDirector · Director at Cogent Communications Holdings, filing Form 4 there in the last year
Sheryl Lynn KennedyDirector · Director at Cogent Communications Holdings, filing Form 4 there in the last year
de Sa PaulDirector · Director at Cogent Communications Holdings, filing Form 4 there in the last year
Deneen C. HowellDirector · Director at Cogent Communications Holdings, filing Form 4 there in the last year
Lewis H. FergusonDirector · Director at Cogent Communications Holdings, filing Form 4 there in the last year
Henry W. KilmerVP of Network Strategy · Also traded CCOI in the last 90 days
Thaddeus Gerard WeedVice President, CFO · Also traded CCOI in the last 90 days
Donald J. TrumpPresident · Also traded CCOI in the last 90 days