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CCOI · Cogent Communications Holdings, Inc.

$12.95 +0.73 (+5.97%) At close · Jul 28
Market Cap
$611.95M
Shares
50.08M

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-06-16 THADDEUS WEED 4,850
2026-06-09 KILMER HENRY W 2,400
2026-05-28 Lewis H FERGUSON 2,800
2026-05-18 Sheryl Lynn Kennedy 3,300
2026-03-05 Lewis H FERGUSON 2,206
2026-03-05 Sheryl Lynn Kennedy 3,300
2026-03-05 KILMER HENRY W 2,400
2026-03-05 THADDEUS WEED 4,850
2025-12-11 THADDEUS WEED 7,300
2025-12-03 KILMER HENRY W 4,800
2025-12-01 Lewis H FERGUSON 4,000
2025-11-12 Sheryl Lynn Kennedy 2,400
2025-09-04 KILMER HENRY W 2,400
2025-09-02 THADDEUS WEED 4,900
2025-08-21 Sheryl Lynn Kennedy 2,000
2025-06-16 SCHAEFFER DAVE 45,000
2025-06-16 David Schaeffer 25,000
2025-06-13 David Schaeffer 10,000
2025-06-13 SCHAEFFER DAVE 45,000
2025-06-12 David Schaeffer 10,000
2025-06-12 SCHAEFFER DAVE 45,000
2025-06-11 SCHAEFFER DAVE 45,000
2025-06-11 David Schaeffer 10,000
2025-06-10 SCHAEFFER DAVE 40,000
2025-06-10 David Schaeffer 15,000
2025-06-09 THADDEUS WEED 4,900
2025-06-09 SCHAEFFER DAVE 40,000
2025-06-09 David Schaeffer 15,000
2025-06-06 SCHAEFFER DAVE 50,000
2025-06-06 David Schaeffer 30,000
2025-06-05 David Schaeffer 35,000
2025-06-05 SCHAEFFER DAVE 40,000
2025-06-04 SCHAEFFER DAVE 50,000
2025-06-04 BUBECK JAMES 2,000
2025-06-04 David Schaeffer 25,000
2025-06-03 KILMER HENRY W 2,400
2025-06-03 David Schaeffer 50,000
2025-06-03 SCHAEFFER DAVE 15,000
2025-06-02 SCHAEFFER DAVE 15,000
2025-06-02 David Schaeffer 50,000
2025-05-30 David Schaeffer 25,000
2025-05-29 David Schaeffer 25,000
2025-05-28 SCHAEFFER DAVE 20,000
2025-05-28 Lewis H FERGUSON 1,100
2025-05-27 David Schaeffer 20,000
2025-05-23 David Schaeffer 25,000
2025-05-22 David Schaeffer 25,000
2025-05-21 SCHAEFFER DAVE 40,000
2025-05-20 David Schaeffer 15,000
2025-05-16 THADDEUS GERARD WEED 100
Showing 1–50 of 130 filings
Key facts CIK 1158324 CUSIP 19239V302 13F (30d) 38 filings 38 filers Visit website Investor relations