CCOICommunication ServicesSmall-Cap
COGENT COMMUNICATIONS HOLDINGS, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are CCOI insiders buying or selling?
COGENT COMMUNICATIONS HOLDINGS, INC. insiders reported 4 open-market buys ($1.1M) and 306 sells ($231.0M) across 310 Form 4 filings — a net selling position of $229.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 16, 2026)
Total Form 4 filings
310
SEC EDGAR
Insider filers
18
Insider buys (4)
$1.1M
Insider sells (306)
$231.0M
Insider sentiment
Net sellingNet insider flow of $229.9M in net selling.
Recent CCOI insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | Thaddeus Gerard Weed | VICE PRESIDENT, CFO | Sale | 4.8K | $16.79 | $81.4K |
| Jun 15, 2026 | Henry W Kilmer | VP OF NETWORK STRATEGY | Sale | 2.4K | $17.01 | $40.8K |
| May 28, 2026 | Lewis H Ferguson | Director | Sale | 2.8K | $20.36 | $57.0K |
| May 18, 2026 | Sheryl Lynn Kennedy | Director | Sale | 3.3K | $16.22 | $53.5K |
| Mar 9, 2026 | Henry W Kilmer | VP OF NETWORK STRATEGY | Sale | 2.4K | $23.35 | $56.0K |
| Mar 5, 2026 | Lewis H Ferguson | Director | Sale | 2.2K | $23.03 | $50.8K |
| Mar 5, 2026 | Sheryl Lynn Kennedy | Director | Sale | 3.3K | $22.99 | $75.9K |
| Dec 12, 2025 | Thaddeus Gerard Weed | VICE PRESIDENT, CFO | Sale | 7.3K | $23.99 | $175.1K |
| Dec 8, 2025 | Henry W Kilmer | VP OF NETWORK STRATEGY | Sale | 4.8K | $19.79 | $95.0K |
| Dec 3, 2025 | Lewis H Ferguson | Director | Sale | 4.0K | $20.34 | $81.3K |
| Dec 2, 2025 | Henry W Kilmer | VP OF NETWORK STRATEGY | Purchase | 2.4K | $0.00 | $0 |
| Nov 12, 2025 | Sheryl Lynn Kennedy | Director | Sale | 2.4K | $21.34 | $51.2K |
| Sep 5, 2025 | Henry W Kilmer | VP OF NETWORK STRATEGY | Sale | 2.4K | $36.99 | $88.8K |
| Sep 2, 2025 | Thaddeus Gerard Weed | VICE PRESIDENT, CFO | Sale | 4.9K | $36.98 | $181.2K |
| Aug 21, 2025 | Sheryl Lynn Kennedy | Director | Sale | 2.0K | $36.35 | $72.7K |
| Aug 11, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 818.9K | $27.50 | $22.5M |
| Aug 8, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 1.8M | $32.60 | $60.0M |
| Jun 16, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 70.0K | $47.11 | $3.3M |
| Jun 16, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 55.0K | $47.40 | $2.6M |
| Jun 12, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 55.0K | $47.86 | $2.6M |
| Jun 12, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 55.0K | $48.51 | $2.7M |
| Jun 10, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 55.0K | $48.68 | $2.7M |
| Jun 9, 2025 | Dave Schaeffer | CHAIRMAN, CEO, AND PRESIDENT | Sale | 55.0K | $48.64 | $2.7M |
| Jun 9, 2025 | Thaddeus Gerard Weed | VICE PRESIDENT, CFO | Sale | 4.9K | $48.04 | $235.4K |
| Jun 9, 2025 | Henry W Kilmer | VP OF NETWORK STRATEGY | Sale | 2.4K | $47.95 | $115.1K |
Showing the 25 most recent of 310 Form 4 filings for COGENT COMMUNICATIONS HOLDINGS, INC..
Most active CCOI insiders
- Dave Schaeffer47 filings
- Henry W Kilmer38 filings
- James Bubeck35 filings
- Thaddeus Gerard Weed31 filings
- Lewis H Ferguson29 filings
Ask anything about CCOI insider activity
Use Trabud's AI agent to query COGENT COMMUNICATIONS HOLDINGS, INC.'s Form 4 history in plain English — "Show me CCOI CEO purchases this year" or compare it against any other ticker.
Open the AI agentCCOI insider trading FAQ
Are COGENT COMMUNICATIONS HOLDINGS, INC. insiders buying or selling?
Across 310 SEC Form 4 filings, COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) insiders reported 4 open-market purchases totaling $1.1M and 306 sales totaling $231.0M. That is a net selling position of $229.9M.
How many insiders trade CCOI stock?
18 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for COGENT COMMUNICATIONS HOLDINGS, INC.. The most recent filing was accepted on Jun 16, 2026.
Where does Trabud get CCOI insider trading data?
All CCOI insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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