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Cogent Communications Holdings, Inc.

CCOI
Exchange
Nasdaq
Industry
Communications Services, NEC
SEC CIK
0001158324

In the last 90 days, Cogent Communications Holdings, Inc. insiders filed 0 open-market purchases and 2 sales; 224 institutions reported holding it in 13F filings for Q2 2026, worth $656.2M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Cogent Communications Holdings, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
2 insiders, $67.5K in total
Insiders trading
2
Net value
−$67.5K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Cogent Communications Holdings, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Cogent Communications Holdings, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Kilmer Henry WVP OF NETWORK STRATEGY36,200Sep 15, 20266
Weed Thaddeus GerardVICE PRESIDENT, CFO193,050Sep 3, 20266
Howell Deneen CDirector32,330Jul 1, 20264
Brooks Steven DDirector58,693Jul 1, 20264
de Sa PaulDirector33,792Jul 1, 20264
Howard Eve NDirector27,306Jul 1, 20264
FERGUSON Lewis HDirector24,539Jun 30, 20267
Montagner MarcDirector99,842Jun 30, 20264
Kennedy Sheryl LynnDirector13,690Jun 30, 20267
Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT1,258,990IndirectMay 4, 20263
Chang John B.VP & CHIEF LEGAL OFFICER188,847Jan 5, 20262
Harris Mark AndrewVP & Chief Revenue Officer110,168Jan 5, 20261
Bubeck JamesCHIEF REVENUE OFFICER55,142Jun 6, 20250
Bath BlakeDirector12,606Mar 31, 20250
Kapp David AllenVP & CHIEF TECHNICAL OFFICER6,600Aug 14, 20230
O'Connor Greg WVP, CHIEF OPERATING OFFICER16,000May 3, 20230
Kummer Raymond BCTO Emeritus60,000Jan 4, 20230
Wallace Sean RobertVP, CFO & Treasurer29,225Mar 3, 20220
Katz CarolynDirector15,750Oct 1, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 13, 2025 (view filing)Mar 121 dayFERGUSON Lewis HDirectorSSale−956$69.37−$66.3K−4.9%18.7K after
Mar 10, 2025 (view filing)Mar 73 daysKilmer Henry WVP OF NETWORK STRATEGYSSale−2.40K$72.57−$174.2K−5.5%41.0K after
Mar 5, 2025 (view filing)Mar 41 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−60.0K$71.77−$4.31M−1.3%4.44M after
Mar 5, 2025 (view filing)Mar 41 dayBubeck JamesCHIEF REVENUE OFFICERSSale−2.00K$71.67−$143.3K−3.4%57.1K after
Mar 4, 2025 (view filing)Mar 31 dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−4.90K$72.06−$353.1K−4.5%103.0K after
Mar 3, 2025 (view filing)Mar 3Same dayKennedy Sheryl LynnDirectorSSale−1.43K$72.96−$104.0K−12.3%10.1K after
Dec 13, 2024 (view filing)Dec 121 dayKilmer Henry WVP OF NETWORK STRATEGYSSale−4.80K$75.61−$362.9K−12.4%33.8K after
Dec 10, 2024 (view filing)Dec 91 dayBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$76.60−$147.1K−3.7%49.5K after
Dec 3, 2024 (view filing)Dec 21 dayBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$81.42−$156.3K−3.6%51.5K after
Dec 3, 2024 (view filing)Dec 21 dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−4.80K$81.58−$391.6K−5.1%88.5K after
Nov 27, 2024 (view filing)Nov 25-262 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−60.0K$83.33−$5.00M−1.4%4.25M after2 lots
Nov 21, 2024 (view filing)Nov 21Same dayBath BlakeDirectorSSale−6.22K$83.69−$520.6K−38.3%10.0K after
Nov 19, 2024 (view filing)Nov 181 dayFERGUSON Lewis HDirectorSSale−846$81.76−$69.2K−4.4%18.4K after
Nov 14, 2024 (view filing)Nov 113 daysLateHoward Eve NDirectorSSale−3.50K$82.02−$287.1K−25.8%10.1K after
Nov 12, 2024 (view filing)Nov 12Same dayChang John B.VP & CHIEF LEGAL OFFICERSSale−2.28K$80.41−$183.3K−3.2%69.3K after
Nov 12, 2024 (view filing)Nov 111 dayKennedy Sheryl LynnDirectorSSale−1.35K$80.58−$108.8K−11.6%10.3K after
Sep 13, 2024 (view filing)Sep 121 dayChang John B.VP & CHIEF LEGAL OFFICERSSale−1.40K$71.67−$100.3K−1.9%71.6K after
Sep 11, 2024 (view filing)Sep 101 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−65.0K$71.75−$4.66M−1.5%4.31M after
Sep 11, 2024 (view filing)Sep 101 dayKennedy Sheryl LynnDirectorSSale−1.55K$71.06−$110.1K−13.2%10.2K after
Sep 5, 2024 (view filing)Sep 41 dayBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$69.77−$134.0K−3.6%51.0K after10b5-1
Sep 5, 2024 (view filing)Sep 41 dayKilmer Henry WVP OF NETWORK STRATEGYSSale−2.40K$69.51−$166.8K−6.2%36.2K after
Sep 3, 2024 (view filing)Sep 3Same dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−2.40K$69.68−$167.2K−2.6%90.9K after
Aug 28, 2024 (view filing)Aug 271 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−60.0K$72.82−$4.37M−1.4%4.37M after
Aug 26, 2024 (view filing)Aug 233 daysChang John B.VP & CHIEF LEGAL OFFICERSSale−2.06K$74.00−$152.1K−2.7%73.0K after
Aug 26, 2024 (view filing)Aug 224 daysFERGUSON Lewis HDirectorSSale−1.55K$72.62−$112.6K−8.0%17.7K after
Jun 17, 2024 (view filing)Jun 143 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−60.0K$51.78−$3.11M−1.3%4.43M after
Jun 13, 2024 (view filing)Jun 121 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−60.0K$54.60−$3.28M−1.3%4.49M after
Jun 11, 2024 (view filing)Jun 11Same dayMontagner MarcDirectorPPurchase+10.0K$52.61+$526.1K+14.4%79.5K after
Jun 10, 2024 (view filing)Jun 10Same dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−2.40K$52.61−$126.3K−2.5%93.3K after
Jun 7, 2024 (view filing)Jun 61 dayKilmer Henry WVP OF NETWORK STRATEGYSSale−2.40K$56.00−$134.4K−5.9%38.6K after
Jun 4, 2024 (view filing)Jun 31 dayBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$58.97−$113.2K−3.5%52.9K after10b5-1
May 23, 2024 (view filing)May 23Same dayKennedy Sheryl LynnDirectorSSale−1.64K$57.79−$94.8K−14.0%10.1K after
May 22, 2024 (view filing)May 211 dayFERGUSON Lewis HDirectorSSale−2.00K$58.90−$117.8K−10.2%17.6K after
May 14, 2024 (view filing)May 131 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−50.0K$59.44−$2.97M−1.1%4.55M after
Mar 18, 2024 (view filing)Mar 153 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−26.2K$64.21−$1.68M−0.6%4.65M after
Mar 15, 2024 (view filing)Mar 132 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−30.0K$67.52−$2.03M−0.6%4.68M after
Mar 14, 2024 (view filing)Mar 122 daysWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−2.40K$68.17−$163.6K−2.4%95.7K afterAmended
Mar 14, 2024 (view filing)Mar 122 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−50.0K$68.12−$3.41M−1.1%4.71M afterAmended
Mar 14, 2024 (view filing)Mar 113 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−35.0K$67.93−$2.38M−0.7%4.76M afterAmended
Mar 8, 2024 (view filing)Mar 62 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−8.83K$72.55−$640.3K−0.2%4.82M after
Mar 6, 2024 (view filing)Mar 51 dayKilmer Henry WVP OF NETWORK STRATEGYSSale−2.40K$73.47−$176.3K−5.5%41.0K after
Mar 4, 2024 (view filing)Mar 13 daysBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$76.62−$147.1K−3.4%54.8K after10b5-1
Dec 28, 2023 (view filing)Dec 262 daysChang John B.VP & CHIEF LEGAL OFFICERSSale−3.55K$76.00−$269.8K−8.5%38.3K after10b5-1
Dec 22, 2023 (view filing)Dec 211 dayChang John B.VP & CHIEF LEGAL OFFICERSSale−1.00K$74.00−$74.0K−2.3%41.9K after10b5-1
Dec 15, 2023 (view filing)Dec 141 dayChang John B.VP & CHIEF LEGAL OFFICERSSale−500$72.00−$36.0K−1.1%43.8K after10b5-1
Dec 14, 2023 (view filing)Dec 131 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−20.0K$69.99−$1.40M−0.4%4.74M after
Dec 8, 2023 (view filing)Dec 71 dayKilmer Henry WVP OF NETWORK STRATEGYSSale−4.80K$67.94−$326.1K−14.3%28.8K after
Dec 6, 2023 (view filing)Dec 51 dayBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$66.12−$127.0K−4.9%37.1K after
Dec 4, 2023 (view filing)Dec 13 daysBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$63.70−$122.3K−4.7%39.1K after10b5-1
Dec 4, 2023 (view filing)Dec 4Same dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−9.70K$65.84−$638.6K−16.6%48.7K after