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.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kilmer Henry W | VP OF NETWORK STRATEGY | 36,200 | Sep 15, 2026 | 6 |
| Weed Thaddeus Gerard | VICE PRESIDENT, CFO | 193,050 | Sep 3, 2026 | 6 |
| Howell Deneen C | Director | 32,330 | Jul 1, 2026 | 4 |
| Brooks Steven D | Director | 58,693 | Jul 1, 2026 | 4 |
| de Sa Paul | Director | 33,792 | Jul 1, 2026 | 4 |
| Howard Eve N | Director | 27,306 | Jul 1, 2026 | 4 |
| FERGUSON Lewis H | Director | 24,539 | Jun 30, 2026 | 7 |
| Montagner Marc | Director | 99,842 | Jun 30, 2026 | 4 |
| Kennedy Sheryl Lynn | Director | 13,690 | Jun 30, 2026 | 7 |
| Schaeffer Dave | CHAIRMAN, CEO, AND PRESIDENT | 1,258,990Indirect | May 4, 2026 | 3 |
| Chang John B. | VP & CHIEF LEGAL OFFICER | 188,847 | Jan 5, 2026 | 2 |
| Harris Mark Andrew | VP & Chief Revenue Officer | 110,168 | Jan 5, 2026 | 1 |
| Bubeck James | CHIEF REVENUE OFFICER | 55,142 | Jun 6, 2025 | 0 |
| Bath Blake | Director | 12,606 | Mar 31, 2025 | 0 |
| Kapp David Allen | VP & CHIEF TECHNICAL OFFICER | 6,600 | Aug 14, 2023 | 0 |
| O'Connor Greg W | VP, CHIEF OPERATING OFFICER | 16,000 | May 3, 2023 | 0 |
| Kummer Raymond B | CTO Emeritus | 60,000 | Jan 4, 2023 | 0 |
| Wallace Sean Robert | VP, CFO & Treasurer | 29,225 | Mar 3, 2022 | 0 |
| Katz Carolyn | Director | 15,750 | Oct 1, 2021 | 0 |
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.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 3, 2025 (view filing) | Jun 2 | 1 day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −65.0K | $46.32 | −$3.01M | −1.6%4.00M after | 2 lots |
| Jun 4, 2025 (view filing) | Jun 3 | 1 day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −65.0K | $46.97 | −$3.05M | −1.6%3.93M after | 2 lots |
| Jun 5, 2025 (view filing) | Jun 4 | 1 day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −75.0K | $47.76 | −$3.58M | −1.9%3.86M after | 2 lots |
| Jun 6, 2025 (view filing) | Jun 4 | 2 days | Bubeck JamesCHIEF REVENUE OFFICER | SSale | −2.00K | $47.50 | −$95.0K | −3.5%55.1K after | |
| Jun 9, 2025 (view filing) | Jun 5 | 4 days | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −75.0K | $47.30 | −$3.55M | −1.9%3.78M after | 2 lots |
| Jun 9, 2025 (view filing) | Jun 6 | 3 days | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −80.0K | $47.78 | −$3.82M | −2.1%3.70M after | 2 lots |
| Jun 9, 2025 (view filing) | Jun 6 | 3 days | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | −2.40K | $47.95 | −$115.1K | −5.9%38.6K after | |
| Jun 9, 2025 (view filing) | Jun 9 | Same day | Weed Thaddeus GerardVICE PRESIDENT, CFO | SSale | −4.90K | $48.04 | −$235.4K | −4.8%98.0K after | |
| Jun 9, 2025 (view filing) | Jun 9 | Same day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −55.0K | $48.64 | −$2.68M | −1.5%3.65M after | 2 lots |
| Jun 10, 2025 (view filing) | Jun 10 | Same day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −55.0K | $48.68 | −$2.68M | −1.5%3.59M after | 2 lots |
| Jun 12, 2025 (view filing) | Jun 11 | 1 day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −55.0K | $48.51 | −$2.67M | −1.5%3.54M after | 2 lots |
| Jun 12, 2025 (view filing) | Jun 12 | Same day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −55.0K | $47.86 | −$2.63M | −1.6%3.48M after | 2 lots |
| Jun 16, 2025 (view filing) | Jun 13 | 3 days | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −55.0K | $47.41 | −$2.61M | −1.6%3.43M after | 2 lots |
| Jun 16, 2025 (view filing) | Jun 16 | Same day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −70.0K | $47.11 | −$3.30M | −2.0%3.36M after | 2 lots |
| Aug 8, 2025 (view filing) | Aug 7 | 1 day | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −1.84M | $32.60 | −$60.0M | −54.8%1.52M after | |
| Aug 11, 2025 (view filing) | Aug 8 | 3 days | Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT | SSale | −818.9K | $27.50 | −$22.5M | −54.0%697.1K after | |
| Aug 21, 2025 (view filing) | Aug 21 | Same day | Kennedy Sheryl LynnDirector | SSale | −2.00K | $36.35 | −$72.7K | −16.6%10.0K after | |
| Sep 2, 2025 (view filing) | Sep 2 | Same day | Weed Thaddeus GerardVICE PRESIDENT, CFO | SSale | −4.90K | $36.98 | −$181.2K | −5.0%93.1K after | |
| Sep 5, 2025 (view filing) | Sep 5 | Same day | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | −2.40K | $36.99 | −$88.8K | −6.2%36.2K after | |
| Nov 12, 2025 (view filing) | Nov 11 | 1 day | Kennedy Sheryl LynnDirector | SSale | −2.40K | $21.34 | −$51.2K | −19.3%10.0K after | |
| Dec 2, 2025 (view filing) | Dec 2 | Same day | FERGUSON Lewis HDirector | SSale | −4.00K | $20.34 | −$81.4K | −17.2%19.3K after | |
| Dec 2, 2025 (view filing) | Dec 1 | 1 day | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | +2.40K | $0.00 | $0 | +6.6%38.6K after | |
| Dec 8, 2025 (view filing) | Dec 8 | Same day | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | −4.80K | $19.79 | −$95.0K | −12.4%33.8K after | |
| Dec 12, 2025 (view filing) | Dec 11 | 1 day | Weed Thaddeus GerardVICE PRESIDENT, CFO | SSale | −7.30K | $23.99 | −$175.1K | −7.6%88.2K after | |
| Mar 5, 2026 (view filing) | Mar 5 | Same day | Weed Thaddeus GerardVICE PRESIDENT, CFO | SSale | −4.85K | $22.63 | −$109.8K | −2.3%202.8K after | |
| Mar 5, 2026 (view filing) | Mar 5 | Same day | FERGUSON Lewis HDirector | SSale | −2.21K | $23.03 | −$50.8K | −9.7%20.4K after | |
| Mar 5, 2026 (view filing) | Mar 5 | Same day | Kennedy Sheryl LynnDirector | SSale | −3.30K | $22.99 | −$75.9K | −24.6%10.1K after | |
| Mar 9, 2026 (view filing) | Mar 6 | 3 days | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | −2.40K | $23.35 | −$56.0K | −5.5%41.0K after | |
| May 18, 2026 (view filing) | May 14 | 4 days | Kennedy Sheryl LynnDirector | SSale | −3.30K | $16.22 | −$53.5K | −24.4%10.2K after | |
| May 28, 2026 (view filing) | May 28 | Same day | FERGUSON Lewis HDirector | SSale | −2.80K | $20.36 | −$57.0K | −11.7%21.1K after | |
| Jun 15, 2026 (view filing) | Jun 15 | Same day | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | −2.40K | $17.01 | −$40.8K | −5.9%38.6K after | |
| Jun 16, 2026 (view filing) | Jun 16 | Same day | Weed Thaddeus GerardVICE PRESIDENT, CFO | SSale | −4.85K | $16.79 | −$81.4K | −2.4%197.9K after | |
| Sep 3, 2026 (view filing)9:45 AM ET | Sep 2 | 1 day | Weed Thaddeus GerardVICE PRESIDENT, CFO | SSale | −4.85K | $9.37 | −$45.4K | −2.5%193.1K after | |
| Sep 15, 2026 (view filing)5:50 PM ET | Sep 15 | Same day | Kilmer Henry WVP OF NETWORK STRATEGY | SSale | −2.40K | $9.21 | −$22.1K | −6.2%36.2K after |