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Who

Thaddeus Gerard Weed

Vice President, CFO

Company insider

Files Form 4 as: Vice President, CFO, Cogent Communications Holdings.

In numbers

Trades disclosed
252
Buys
0
Sells
138
Bought
$0
Sold
$15.2M
Companies
1
Companies where not an officer
0
First trade
3 Jan 2006
Last trade
2 Sep 2026
Last filed
3 Sep 2026

Companies traded

Where they are an officer
CCOI Cogent Communications HoldingsOfficer · Telecom Carriers · last 2 Sep 20260 buys · 138 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Sep 2026filed 3 Sep 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$45K4,850 at $9.37filing
2 Sep 2026filed 3 Sep 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$45K4,850 at $9.37filing
16 Jun 2026filed 16 Jun 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$81K4,850 at $16.79filing
16 Jun 2026filed 16 Jun 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$81K4,850 at $16.79filing
5 Mar 2026filed 5 Mar 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$110K4,850 at $22.63filing
5 Mar 2026filed 5 Mar 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$110K4,850 at $22.63filing
31 Dec 2025filed 5 Jan 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—19,400 at $0.00filing
31 Dec 2025filed 5 Jan 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—100,000 at $0.00filing
31 Dec 2025filed 5 Jan 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—19,400 at $0.00filing
31 Dec 2025filed 5 Jan 2026CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—100,000 at $0.00filing
11 Dec 2025filed 12 Dec 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$175K7,300 at $23.99filing
1 Dec 2025filed 3 Dec 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—2,400 at $0.00filing
2 Sep 2025filed 2 Sep 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$181K4,900 at $36.98filing
9 Jun 2025filed 9 Jun 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$235K4,900 at $48.04filing
28 May 2025filed 29 May 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$4,767100 at $47.67filing
16 May 2025filed 19 May 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold—0filing
16 May 2025filed 16 May 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$5,041100 at $50.41filing
3 Mar 2025filed 4 Mar 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$353K4,900 at $72.06filing
9 Jan 2025filed 13 Jan 2025CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Code A—19,400 at $0.00filing
2 Dec 2024filed 3 Dec 2024CCOI Cogent Communications HoldingsTelecom CarriersSEC FORM 4 Sold$392K4,800 at $81.58filing

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 Thaddeus Gerard Weed; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Communications138

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
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
Marc MontagnerEVP - Chief Financial Officer · 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
Donald J. TrumpPresident · Also traded CCOI in the last 90 days