Company profile
Cogent Communications Holdings, Inc. Insider Trading
CCOIEvery SEC Form 4 insider trading filing for Cogent Communications Holdings, Inc. (CCOI) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Communications Services, NEC
- CIK
- 0001158324
- Filings
- 290
- Insiders
- 16
- Last filing
- 2026-09-15
Activity summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $68K across 2 transactions.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Cogent Communications Holdings, Inc. insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $82.9M.
90 day insight
Over the last 90 days, Cogent Communications Holdings, Inc. insiders bought $0 (7 transactions) and sold $68K (2 transactions).
- Most active insider: Thaddeus Gerard Weed with 1 transaction totaling $45K.
- Largest single sale: $45K by Thaddeus Gerard Weed on Sep 2, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Henry W Kilmer | CCOI | Sale | 2,400 | $9.21 | $22K |
| Sep 2, 2026 | Thaddeus Gerard Weed | CCOI | Sale | 4,850 | $9.37 | $45K |
| Jun 30, 2026 | Marc Montagner | CCOI | Award | 3,445 | — | — |
| Jun 30, 2026 | Sheryl Lynn Kennedy | CCOI | Award | 3,445 | — | — |
| Jun 30, 2026 | Lewis H FERGUSON | CCOI | Award | 3,445 | — | — |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=CCOI" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Cogent Communications Holdings, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →