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Who

Sheryl Lynn Kennedy

Director

Company insider

Files Form 4 as: Director, Cogent Communications Holdings.

In numbers

Trades disclosed
58
Buys
0
Sells
23
Bought
$0
Sold
$2.1M
Companies
1
Companies where not an officer
1
First trade
5 Nov 2019
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 20260 buys · 23 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

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 30 Jun 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
30 Jun 2026filed 30 Jun 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—3,445 at $0.00filing
14 May 2026filed 18 May 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$54K3,300 at $16.22filing
14 May 2026filed 18 May 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$54K3,300 at $16.22filing
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
5 Mar 2026filed 5 Mar 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$76K3,300 at $22.99filing
5 Mar 2026filed 5 Mar 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$76K3,300 at $22.99filing
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
11 Nov 2025filed 12 Nov 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$51K2,400 at $21.34filing
30 Sep 2025filed 1 Oct 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—2,395 at $0.00filing
21 Aug 2025filed 21 Aug 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$73K2,000 at $36.35filing
30 Jun 2025filed 1 Jul 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,968 at $0.00filing
13 May 2025filed 13 May 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$73K1,450 at $50.19filing
31 Mar 2025filed 31 Mar 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,352 at $0.00filing
3 Mar 2025filed 3 Mar 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$104K1,425 at $72.96filing
1 Jan 2025filed 2 Jan 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—1,254 at $0.00filing

News

Cogent Communications to Host Third Quarter 2026 Earnings Call on November 5, 2026CCOI · prnewswire.com · 14 Oct 2026Cogent Communications (NASDAQ:CCOI) Stock Jumps 6.4% – Time to Buy?CCOI · themarketsdaily.com · 7 Oct 2026

0 headlines in the last 90 days name Sheryl Lynn Kennedy; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Communications23

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

Related people

de Sa PaulDirector · Director at Cogent Communications Holdings, filing Form 4 there in the last year
Eve N. HowardDirector · 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
Steven D. BrooksDirector · 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