BROOKS STEVEN D

SEC source: 0001227882-26-000008 · form4-09302026_100953.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,138

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2026 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001227882-26-000006 · form4-07012026_080711.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,693

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2026 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001227882-26-000004 · form4-03312026_090328.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,248

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q1 2026 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001227882-26-000003 · form4-01052026_090137.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,803

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2025 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001227882-25-000005 · form4-10012025_091030.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,415

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2025 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-25-018767 · form4-07012025_090748.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,020

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2025 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-25-009259 · form4-03312025_090320.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,052

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q1 2025 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-25-001854 · form4-01222025_090152.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,700

F1 · shares: . The reporting person disposed of 299 shares by gift to a family member.

SEC source: 0001415889-25-000487 · form4-01032025_090124.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,999

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2024 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-24-024199 · form4-10012024_081009.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,045

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2024 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-24-025524 · form4a-10222024_091008.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,745

F1 · shares: The Forms 4 filed by the reporting person on October 1, 2024, and July 1, 2024, overstated the reporting person's beneficial ownership by 300 shares. The correct number of shares beneficially owned following the transaction on October 1, 2024 is reflected herein.

SEC source: 0001415889-24-018746 · form4-07022024_020758.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,593

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2024 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-24-009499 · form4-04012024_040422.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,918

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q1 2024 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-24-009643 · form4-04022024_040449.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,618

F1 · balance_after: Prior to the reporting person's prior Form 4, which was filed on April 1, 2024 (the "Prior Form 4"), the reporting person disposed of 300 shares by gift as reported herein. Thus, the number of shares beneficially owned following the reported transaction on the Prior Form 4 was overstated by 300 shares. The number of shares beneficially owned following the reported transaction as reported herein is current as of the dated of this filing.

SEC source: 0001415889-24-000239 · form4a-01032024_070126.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,548

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2023 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc. This Amendment is filed to correct the box 5 number of shares owned by Mr. Brooks, which is 37,548 shares.

SEC source: 0001415889-24-000132 · form4-01032024_020145.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,224

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2023 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-23-000084 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,821

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for Q4 2022 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-23-013792 · form4-10032023_021026.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,145

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2023 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-23-010654 · form4-07052023_030755.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,712

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2023 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-23-009915 · form4-06162023_070609.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,277

SEC source: 0001415889-23-007891 · form4-05122023_080508.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,479

SEC source: 0001140361-23-016599 · form4.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,277

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for Q1 2023 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001415889-23-013727 · form4a-10022023_081040.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,821

F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2022 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc. This Amendment has been filed to correct a scrivener's error in the transaction date. The transaction date was January 3, not October 3.

SEC source: 0001567619-22-018050 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,112

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for Q3 2022 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-22-013615 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,486

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for Q2 2022 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-22-007844 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,962

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for Q1 2022 service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-21-017685 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,500

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-21-012908 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,750

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-21-008925 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

SEC source: 0001567619-21-007363 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,750

F1 · shares: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-21-000013 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,000

F1 · shares: The shares of common stock reported reflect quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications, Inc.

SEC source: 0001567619-20-017314 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,250

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-20-012738 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,500

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-20-007257 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,750

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-20-000044 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,000

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-19-018974 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,250

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-19-014210 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,500

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-19-008108 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,750

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-19-006769 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

SEC source: 0001567619-19-000173 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,900

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001567619-18-003323 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,150

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001140361-18-031158 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,400

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001140361-18-024390 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,650

SEC source: 0001140361-18-022439 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,650

SEC source: 0001140361-18-016374 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,650

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001140361-18-000189 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,900

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001140361-17-037271 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,150

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001140361-17-030636 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,400

SEC source: 0001140361-17-026989 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,400

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

SEC source: 0001140361-17-018089 · doc1.xml · nonDerivative · entry 1

BROOKS STEVEN D · CIK 0001227882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,650

F1 · date: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.

F1 · ownership.direct: The shares of common stock reported reflect a quarterly payment to directors for service. All shares are owned directly by Mr. Brooks, a director of Cogent Communications Holdings, Inc.