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KILMER HENRY W

SEC insider (Form 3/4/5 filer). CIK 0001599812. VP OF NETWORK STRATEGY at COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI). 14 reported Form 4/5 transactions since Sep 2024; latest on Sep 15, 2026. Located in WASHINGTON, DC.

Companies KILMER HENRY W has filed insider reports for

  • COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI): Officer, VP OF NETWORK STRATEGY
KILMER HENRY W profile photo

KILMER HENRY W

CIK: 0001599812

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)11 (78.6%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (21.4%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

COGENT COMMUNICATIONS HOLDINGS, INC. logo
CCOI

COGENT COMMUNICATIONS HOLDINGS, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (14 total)

  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Sep 15, 2026
    Sale
    Direct
    2.4K shares at avg. $9.21$22K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Jun 15, 2026
    Sale
    Direct
    2.4K shares at avg. $17.01$41K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Mar 6, 2026
    Sale
    Direct
    2.4K shares at avg. $23.35$56K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Dec 31, 2025
    Award
    Direct
    9.6K shares-
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Dec 8, 2025
    Sale
    Direct
    4.8K shares at avg. $19.79$95K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Dec 1, 2025
    Sale
    Direct
    2.4K shares-
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Sep 5, 2025
    Sale
    Direct
    2.4K shares at avg. $36.99$89K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Jun 6, 2025
    Sale
    Direct
    2.4K shares at avg. $47.95$115K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Mar 7, 2025
    Sale
    Direct
    2.4K shares at avg. $72.57$174K
  • COGENT COMMUNICATIONS HOLDINGS, INC. logo
    CCOI

    COGENT COMMUNICATIONS HOLDINGS, INC.

    Jan 9, 2025
    Award
    Direct
    9.6K shares-

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