Cogent Communications Holdings, Inc. (CCOI) Insider Trading
Over the last 3 months, CCOI insiders made 0 open-market buys and 3 sales, a net sale of -$167K (SEC Form 4). Over the last 6 months, 192 institutions increased and 160 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$166.6K
Insider trades by month Buys Sells
Aug
Sep
Nov
Dec
Mar
May
Context3-month price -24.1%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 28, 2026 | FERGUSON Lewis Hdirector | Sell | 2,800 | $20.36 |
| May 18, 2026 | Kennedy Sheryl Lynndirector | Sell | 3,300 | $16.22 |
| May 4, 2026 | SCHAEFFER DAVEdirector, officer: CHAIRMAN, CEO, AND PRESIDENT | Grant | 1,000,000 | — |
| Mar 31, 2026 | Montagner Marcdirector | Grant | 3,445 | — |
| Mar 31, 2026 | Howard Eve Ndirector | Grant | 3,445 | — |
| Mar 31, 2026 | de Sa Pauldirector | Grant | 3,445 | — |
| Mar 31, 2026 | BROOKS STEVEN Ddirector | Grant | 3,445 | — |
| Mar 31, 2026 | Howell Deneen Cdirector | Grant | 3,445 | — |
| Mar 31, 2026 | Kennedy Sheryl Lynndirector | Grant | 3,445 | — |
| Mar 31, 2026 | FERGUSON Lewis Hdirector | Grant | 3,445 | — |
| Mar 9, 2026 | KILMER HENRY Wofficer: VP OF NETWORK STRATEGY | Sell | 2,400 | $23.35 |
| Mar 5, 2026 | Kennedy Sheryl Lynndirector | Sell | 3,300 | $22.99 |
| Mar 5, 2026 | WEED THADDEUS GERARDofficer: VICE PRESIDENT, CFO | Sell | 4,850 | $22.63 |
| Mar 5, 2026 | FERGUSON Lewis Hdirector | Sell | 2,206 | $23.03 |
| Jan 5, 2026 | de Sa Pauldirector | Grant | 3,388 | — |
| Jan 5, 2026 | FERGUSON Lewis Hdirector | Grant | 3,388 | — |
| Jan 5, 2026 | Howard Eve Ndirector | Grant | 3,388 | — |
| Jan 5, 2026 | Howell Deneen Cdirector | Grant | 3,388 | — |
| Jan 5, 2026 | Kennedy Sheryl Lynndirector | Grant | 3,388 | — |
| Jan 5, 2026 | Chang John B.officer: VP & CHIEF LEGAL OFFICER | Grant | 100,000 | — |
| Jan 5, 2026 | Harris Mark Andrewofficer: VP & Chief Revenue Officer | Grant | 5,000 | — |
| Jan 5, 2026 | Chang John B.officer: VP & CHIEF LEGAL OFFICER | Grant | 9,600 | — |
| Jan 5, 2026 | Montagner Marcdirector | Grant | 3,388 | — |
| Jan 5, 2026 | Harris Mark Andrewofficer: VP & Chief Revenue Officer | Grant | 100,000 | — |
| Jan 5, 2026 | KILMER HENRY Wofficer: VP OF NETWORK STRATEGY | Grant | 9,600 | — |
| Jan 5, 2026 | SCHAEFFER DAVEdirector, officer: CHAIRMAN, CEO, AND PRESIDENT | Grant | 229,657 | — |
| Jan 5, 2026 | WEED THADDEUS GERARDofficer: VICE PRESIDENT, CFO | Grant | 19,400 | — |
| Jan 5, 2026 | WEED THADDEUS GERARDofficer: VICE PRESIDENT, CFO | Grant | 100,000 | — |
| Jan 5, 2026 | BROOKS STEVEN Ddirector | Grant | 3,388 | — |
| Dec 12, 2025 | WEED THADDEUS GERARDofficer: VICE PRESIDENT, CFO | Sell | 7,300 | $23.99 |
Source: CCOI SEC Form 4 filings, latest May 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CCOI positions over the last 6 months (SEC Form 13F).
Increased
192
New positions
82
Reduced
160
Sold out
119
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 7.2M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 7.1M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 5.6M | Jan 29, 2026 |
| TURTLE CREEK ASSET MANAGEMENT INC. | Increased | 4.3M | May 19, 2026 |
| TURTLE CREEK ASSET MANAGEMENT INC. | Reduced | 4.0M | Feb 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.7M | May 8, 2026 |
| EDGEPOINT INVESTMENT GROUP INC. | Unchanged | 2.3M | May 15, 2026 |
| EDGEPOINT INVESTMENT GROUP INC. | Increased | 2.3M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 2.3M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.1M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.1M | Feb 13, 2026 |
| PARK WEST ASSET MANAGEMENT LLC | Increased | 1.9M | May 15, 2026 |
| MORGAN STANLEY | Increased | 1.9M | May 15, 2026 |
| NEWTYN MANAGEMENT, LLC | Increased | 1.6M | May 15, 2026 |
| TYRO CAPITAL MANAGEMENT LLC | Increased | 1.6M | May 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.