Cogent Communications Holdings, Inc (CCOI) insider trading
Every open-market stock purchase and sale by Cogent Communications Holdings, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Thaddeus Gerard Weed (CFO) and 1 other sold $67.5K in the last 90 days.
- Last insider buy: Marc Montagner (Insider), $526K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $995K (15 sales). Last close $9.21 on Sep 17, 2026.
Recent CCOI insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 30, 2026 | Eve N Howard (Insider) | Bought (not open market) | — |
| Sep 30, 2026 | de Sa Paul (Insider) | Bought (not open market) | — |
| Sep 30, 2026 | Deneen C Howell (Insider) | Bought (not open market) | — |
| Sep 30, 2026 | Steven D Brooks (Insider) | Bought (not open market) | — |
| Sep 30, 2026 | Sheryl Lynn Kennedy (Insider) | Bought (not open market) | — |
| Sep 30, 2026 | Lewis H FERGUSON (Insider) | Bought (not open market) | — |
| Sep 30, 2026 | Marc Montagner (Insider) | Bought (not open market) | — |
| Sep 15, 2026 | Henry W Kilmer (VP) | Sold | $22.1K |
| Sep 2, 2026 | Thaddeus Gerard Weed (CFO) | Sold | $45.4K |
| Jun 30, 2026 | Steven D Brooks (Insider) | Bought (not open market) | — |
| Jun 30, 2026 | Marc Montagner (Insider) | Bought (not open market) | — |
| Jun 30, 2026 | Eve N Howard (Insider) | Bought (not open market) | — |
| Jun 30, 2026 | de Sa Paul (Insider) | Bought (not open market) | — |
| Jun 30, 2026 | Lewis H FERGUSON (Insider) | Bought (not open market) | — |
| Jun 30, 2026 | Sheryl Lynn Kennedy (Insider) | Bought (not open market) | — |
| Jun 30, 2026 | Deneen C Howell (Insider) | Bought (not open market) | — |
| Jun 16, 2026 | Thaddeus Gerard Weed (CFO) | Sold | $81.4K |
| Jun 15, 2026 | Henry W Kilmer (VP) | Sold | $40.8K |
| May 28, 2026 | Lewis H FERGUSON (Insider) | Sold | $57K |
| May 14, 2026 | Sheryl Lynn Kennedy (Insider) | Sold | $53.5K |
| May 4, 2026 | Dave Schaeffer (CEO) | Bought (not open market) | — |
| May 4, 2026 | Dave Schaeffer (CEO) | Bought (not open market) | — |
| Apr 1, 2026 | Dave Schaeffer (CEO) | Bought (not open market) | — |
| Apr 1, 2026 | Dave Schaeffer (CEO) | Sold (not open market) | — |
| Mar 31, 2026 | Sheryl Lynn Kennedy (Insider) | Bought (not open market) | — |
Who's trading CCOI
- de Sa Paul, Insider: other filings, last Sep 30, 2026
- Lewis H FERGUSON, Insider: sold $189K (3 sales), last Sep 30, 2026
- Eve N Howard, Insider: other filings, last Sep 30, 2026
- Deneen C Howell, Insider: other filings, last Sep 30, 2026
- Sheryl Lynn Kennedy, Insider: sold $181K (3 sales), last Sep 30, 2026
- Marc Montagner, Insider: other filings, last Sep 30, 2026
- Steven D Brooks, Insider: other filings, last Sep 30, 2026
- Henry W Kilmer, VP: sold $214K (5 sales), last Sep 15, 2026
- Thaddeus Gerard Weed, CFO: sold $412K (4 sales), last Sep 2, 2026
- Dave Schaeffer, CEO: other filings, last May 4, 2026
- John B. Chang, C-suite exec: other filings, last Dec 31, 2025
- Mark Andrew Harris, C-suite exec: other filings, last Dec 31, 2025
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