COGENT COMMUNICATIONS HOLDINGS, INC. - CCOI

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Sep 30, 2026 — A A 3,445.0 0.0 0.0 17,135.0 View
Sep 30, 2026 — A A 3,445.0 0.0 0.0 35,775.0 View
Sep 30, 2026 — A A 3,445.0 0.0 0.0 30,751.0 View
Sep 30, 2026 — A A 3,445.0 0.0 0.0 103,287.0 View
Sep 30, 2026 — A A 3,445.0 0.0 0.0 27,984.0 View
Sep 30, 2026 — A A 3,445.0 0.0 0.0 37,237.0 View
Sep 30, 2026 — A A 3,445.0 0.0 0.0 62,138.0 View
Sep 15, 2026 VP OF NETWORK STRATEGY S D 2,400.0 9.21 22,104.0 36,200.0 View
Sep 03, 2026 VICE PRESIDENT, CFO S D 4,850.0 9.3701 45,444.99 193,050.0 View
Jul 01, 2026 — A A 3,445.0 0.0 0.0 32,330.0 View
Jul 01, 2026 — A A 3,445.0 0.0 0.0 58,693.0 View
Jul 01, 2026 — A A 3,445.0 0.0 0.0 27,306.0 View
Jul 01, 2026 — A A 3,445.0 0.0 0.0 33,792.0 View
Jun 30, 2026 — A A 3,445.0 0.0 0.0 13,690.0 View
Jun 30, 2026 — A A 3,445.0 0.0 0.0 99,842.0 View
Jun 30, 2026 — A A 3,445.0 0.0 0.0 24,539.0 View
Jun 16, 2026 VICE PRESIDENT, CFO S D 4,850.0 16.7906 81,434.41 197,900.0 View
Jun 15, 2026 VP OF NETWORK STRATEGY S D 2,400.0 17.01 40,824.0 38,600.0 View
May 28, 2026 — S D 2,800.0 20.36 57,008.0 21,094.0 View
May 18, 2026 — S D 3,300.0 16.2177 53,518.41 10,245.0 View
May 04, 2026 CHAIRMAN, CEO, AND PRESIDENT G A 1,000,000.0 0.0 0.0 1,258,990.0 View
May 04, 2026 CHAIRMAN, CEO, AND PRESIDENT G D 1,000,000.0 0.0 0.0 609,143.0 View
May 04, 2026 CHAIRMAN, CEO, AND PRESIDENT A A 1,000,000.0 0.0 0.0 1,609,143.0 View