FilingPulse

CCOI insider transaction filings

COGENT COMMUNICATIONS HOLDINGS, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-01. Screen CCOI transaction legs live →

FiledFormInsiderReported transactionsSource
2026-07-014Howard Eve N — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-07-014Howell Deneen C — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-07-014de Sa Paul — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-07-014BROOKS STEVEN D — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-06-304Kennedy Sheryl Lynn — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-06-304Montagner Marc — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-06-304FERGUSON Lewis H — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-06-164WEED THADDEUS GERARD — VICE PRESIDENT, CFOSale (S): 4,850 @ $16.79EDGAR
2026-06-154KILMER HENRY W — VP OF NETWORK STRATEGYSale (S): 2,400 @ $17.01EDGAR
2026-05-284FERGUSON Lewis H — DirectorSale (S): 2,800 @ $20.36EDGAR
2026-05-184Kennedy Sheryl Lynn — DirectorSale (S): 3,300 @ $16.22EDGAR
2026-05-044SCHAEFFER DAVE — CHAIRMAN, CEO, AND PRESIDENT, DirectorGrant/award (A): 1,000,000 @ $0 · Gift (G): 1,000,000 @ $0 · Gift (G): 1,000,000 @ $0EDGAR
2026-04-024SCHAEFFER DAVE — CHAIRMAN, CEO, AND PRESIDENT, DirectorDisposition to issuer (D): 58,667 @ $0 · Gift (G): 29,333 @ $0 · Gift (G): 29,333 @ $0EDGAR
2026-03-314Howard Eve N — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-314Howell Deneen C — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-314de Sa Paul — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-314Kennedy Sheryl Lynn — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-314Montagner Marc — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-314FERGUSON Lewis H — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-314BROOKS STEVEN D — DirectorGrant/award (A): 3,445 @ $0EDGAR
2026-03-094KILMER HENRY W — VP OF NETWORK STRATEGYSale (S): 2,400 @ $23.35EDGAR
2026-03-054Kennedy Sheryl Lynn — DirectorSale (S): 3,300 @ $22.99EDGAR
2026-03-054FERGUSON Lewis H — DirectorSale (S): 2,206 @ $23.03EDGAR
2026-03-054WEED THADDEUS GERARD — VICE PRESIDENT, CFOSale (S): 4,850 @ $22.63EDGAR
2026-01-054Harris Mark Andrew — VP & Chief Revenue OfficerGrant/award (A): 5,000 @ $0 · Grant/award (A): 100,000 @ $0EDGAR
2026-01-054Howard Eve N — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054Howell Deneen C — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054de Sa Paul — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054Kennedy Sheryl Lynn — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054Chang John B. — VP & CHIEF LEGAL OFFICERGrant/award (A): 9,600 @ $0 · Grant/award (A): 100,000 @ $0EDGAR
2026-01-054KILMER HENRY W — VP OF NETWORK STRATEGYGrant/award (A): 9,600 @ $0EDGAR
2026-01-054Montagner Marc — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054FERGUSON Lewis H — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054BROOKS STEVEN D — DirectorGrant/award (A): 3,388 @ $0EDGAR
2026-01-054WEED THADDEUS GERARD — VICE PRESIDENT, CFOGrant/award (A): 19,400 @ $0 · Grant/award (A): 100,000 @ $0EDGAR
2026-01-054SCHAEFFER DAVE — CHAIRMAN, CEO, AND PRESIDENT, DirectorGrant/award (A): 229,657 @ $0 · Gift (G): 229,657 @ $0 · Gift (G): 229,657 @ $0EDGAR
2025-12-124WEED THADDEUS GERARD — VICE PRESIDENT, CFOSale (S): 7,300 @ $23.99EDGAR
2025-12-084KILMER HENRY W — VP OF NETWORK STRATEGYSale (S): 4,800 @ $19.79EDGAR
2025-12-034WEED THADDEUS GERARD — VICE PRESIDENT, CFOGrant/award (A): 2,400 @ $0EDGAR
2025-12-024Chang John B. — VP & CHIEF LEGAL OFFICERGrant/award (A): 2,400 @ $0EDGAR
2025-12-024KILMER HENRY W — VP OF NETWORK STRATEGYSale (S): 2,400 @ $0EDGAR
2025-12-024FERGUSON Lewis H — DirectorSale (S): 4,000 @ $20.34EDGAR
2025-11-124Kennedy Sheryl Lynn — DirectorSale (S): 2,400 @ $21.34EDGAR
2025-10-024de Sa Paul — DirectorGrant/award (A): 2,395 @ $0EDGAR
2025-10-024FERGUSON Lewis H — DirectorGrant/award (A): 2,395 @ $0EDGAR
2025-10-014Howard Eve N — DirectorGrant/award (A): 2,395 @ $0EDGAR
2025-10-014Howell Deneen C — DirectorGrant/award (A): 2,395 @ $0EDGAR
2025-10-014Kennedy Sheryl Lynn — DirectorGrant/award (A): 2,395 @ $0EDGAR
2025-10-014Montagner Marc — DirectorGrant/award (A): 2,395 @ $0EDGAR
2025-10-014BROOKS STEVEN D — DirectorGrant/award (A): 2,395 @ $0EDGAR

Recent 8-K events — COGENT COMMUNICATIONS HOLDINGS, INC.

FiledFormItems reportedSource
2026-08-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-06-298-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits		EDGAR
2026-06-158-K1.01 — Entry into a Material Definitive Agreement
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-268-K1.01 — Entry into a Material Definitive Agreement
8.01 — Other Events
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-048-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-048-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-02-208-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-01-078-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits		EDGAR
2025-11-178-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2025-11-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
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