Last 12 months
Inside the activity.
0 purchase rows · 15 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 1 |
| Dec 2025 | 0 | 4 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 4 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 2 |
| Jun 2026 | 0 | 2 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 2 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 30, 2026 Filed Oct 1, 2026 02:22 UTC |
BROOKS STEVEN DDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC 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. Read SEC document |
| September 30, 2026 Filed Oct 1, 2026 02:24 UTC |
de Sa PaulDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001901420-26-000008 · form4-09302026_100957.xml · nonDerivative · entry 1 de Sa Paul · CIK 0001901420 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 37,237 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. De Sa, a director of Cogent Communications Holdings, Inc. Read SEC document |
| September 30, 2026 Filed Oct 1, 2026 02:24 UTC |
FERGUSON Lewis HDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001395643-26-000018 · form4-09302026_100952.xml · nonDerivative · entry 1 FERGUSON Lewis H · CIK 0001395643 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,984 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. Ferguson, a director of Cogent Communications Holdings, Inc. Read SEC document |
| September 30, 2026 Filed Oct 1, 2026 02:26 UTC |
Howard Eve NDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001933694-26-000009 · form4-09302026_100930.xml · nonDerivative · entry 1 Howard Eve N · CIK 0001933694 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,751 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2026 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc. Read SEC document |
| September 30, 2026 Filed Oct 1, 2026 02:28 UTC |
Kennedy Sheryl LynnDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001790695-26-000016 · form4-09302026_100952.xml · nonDerivative · entry 1 Kennedy Sheryl Lynn · CIK 0001790695 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 17,135 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2026 service. All shares are owned directly by Ms. Kennedy, a director of Cogent Communications Holdings, Inc. Read SEC document |
| September 30, 2026 Filed Oct 1, 2026 02:27 UTC |
Howell Deneen CDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001923830-26-000008 · form4-09302026_100938.xml · nonDerivative · entry 1 Howell Deneen C · CIK 0001923830 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 35,775 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q3 2026 service. All shares are owned directly by Ms. Howell, a director of Cogent Communications Holdings, Inc. Read SEC document |
| September 30, 2026 Filed Oct 1, 2026 02:29 UTC |
Montagner MarcDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001456823-26-000010 · form4-09302026_100942.xml · nonDerivative · entry 1 Montagner Marc · CIK 0001456823 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 103,287 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. Montagner, a director of Cogent Communications Holdings, Inc. Read SEC document |
| September 15, 2026 Filed Sep 15, 2026 21:50 UTC |
KILMER HENRY WVP OF NETWORK STRATEGY
|
Salecommon stock | 2,400 | $9.21 | $22,104.00 |
DisclosureSEC source: 0001599812-26-000008 · form4-09152026_090912.xml · nonDerivative · entry 1 KILMER HENRY W · CIK 0001599812 · VP OF NETWORK STRATEGY 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 36,200 Read SEC document |
| September 02, 2026 Filed Sep 3, 2026 13:45 UTC |
WEED THADDEUS GERARDVICE PRESIDENT, CFO
|
Salecommon stock | 4,850 | $9.37 | $45,444.99 |
DisclosureSEC source: 0001166978-26-000009 · form4-09032026_010918.xml · nonDerivative · entry 1 WEED THADDEUS GERARD · CIK 0001166978 · VICE PRESIDENT, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 193,050 Read SEC document |
| June 30, 2026 Filed Jun 30, 2026 21:04 UTC |
FERGUSON Lewis HDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001395643-26-000016 · form4-06302026_090641.xml · nonDerivative · entry 1 FERGUSON Lewis H · CIK 0001395643 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,539 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. Ferguson, a director of Cogent Communications Holdings, Inc. Read SEC document |
| June 30, 2026 Filed Jun 30, 2026 21:03 UTC |
Kennedy Sheryl LynnDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001790695-26-000014 · form4-06302026_090643.xml · nonDerivative · entry 1 Kennedy Sheryl Lynn · CIK 0001790695 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,690 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2026 service. All shares are owned directly by Ms. Kennedy, a director of Cogent Communications Holdings, Inc. Read SEC document |
| June 30, 2026 Filed Jun 30, 2026 21:03 UTC |
Montagner MarcDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001456823-26-000008 · form4-06302026_090609.xml · nonDerivative · entry 1 Montagner Marc · CIK 0001456823 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 99,842 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. Montagner, a director of Cogent Communications Holdings, Inc. Read SEC document |
| June 30, 2026 Filed Jul 1, 2026 21:17 UTC |
Howell Deneen CDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001923830-26-000006 · form4-07012026_090724.xml · nonDerivative · entry 1 Howell Deneen C · CIK 0001923830 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,330 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2026 service. All shares are owned directly by Ms. Howell, a director of Cogent Communications Holdings, Inc. Read SEC document |
| June 30, 2026 Filed Jul 1, 2026 20:52 UTC |
BROOKS STEVEN DDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC 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. Read SEC document |
| June 30, 2026 Filed Jul 1, 2026 15:21 UTC |
de Sa PaulDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001901420-26-000006 · form4-07012026_030747.xml · nonDerivative · entry 1 de Sa Paul · CIK 0001901420 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 33,792 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. De Sa, a director of Cogent Communications Holdings, Inc. Read SEC document |
| June 30, 2026 Filed Jul 1, 2026 15:21 UTC |
Howard Eve NDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001933694-26-000007 · form4-07012026_030703.xml · nonDerivative · entry 1 Howard Eve N · CIK 0001933694 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,306 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q2 2026 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc. Read SEC document |
| June 16, 2026 Filed Jun 16, 2026 20:25 UTC |
WEED THADDEUS GERARDVICE PRESIDENT, CFO
|
Salecommon stock | 4,850 | $16.79 | $81,434.41 |
DisclosureSEC source: 0001166978-26-000007 · form4-06162026_080651.xml · nonDerivative · entry 1 WEED THADDEUS GERARD · CIK 0001166978 · VICE PRESIDENT, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 197,900 Read SEC document |
| June 15, 2026 Filed Jun 15, 2026 20:24 UTC |
KILMER HENRY WVP OF NETWORK STRATEGY
|
Salecommon stock | 2,400 | $17.01 | $40,824.00 |
DisclosureSEC source: 0001599812-26-000006 · form4-06152026_080603.xml · nonDerivative · entry 1 KILMER HENRY W · CIK 0001599812 · VP OF NETWORK STRATEGY 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 38,600 Read SEC document |
| May 28, 2026 Filed May 28, 2026 20:01 UTC |
FERGUSON Lewis HDirector
|
Salecommon stock | 2,800 | $20.36 | $57,008.00 |
DisclosureSEC source: 0001395643-26-000014 · form4-05282026_080543.xml · nonDerivative · entry 1 FERGUSON Lewis H · CIK 0001395643 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,094 Read SEC document |
| May 14, 2026 Filed May 18, 2026 20:12 UTC |
Kennedy Sheryl LynnDirector
|
Salecommon stock | 3,300 | $16.22 | $53,518.41 |
DisclosureSEC source: 0001790695-26-000012 · form4-05182026_080556.xml · nonDerivative · entry 1 Kennedy Sheryl Lynn · CIK 0001790695 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,245 Read SEC document |
| May 04, 2026 Filed May 4, 2026 20:22 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Giftcommon stock | 1,000,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000011 · form4-05042026_080527.xml · nonDerivative · entry 3 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Indirect · by family trust Disclosed balance after: 1,258,990 Read SEC document |
| May 04, 2026 Filed May 4, 2026 20:22 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Giftcommon stock | 1,000,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000011 · form4-05042026_080527.xml · nonDerivative · entry 2 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 609,143 F2 · shares: These shares were transferred to a family trust for no consideration. Read SEC document |
| May 04, 2026 Filed May 4, 2026 20:22 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Grantcommon stock | 1,000,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000011 · form4-05042026_080527.xml · nonDerivative · entry 1 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,609,143 F1 · shares: This award of restricted stock will vest in three tranches, with each tranche vesting on the last day of any consecutive sixty-calendar-day period during the period from February 28, 2026, through February 28, 2031, if the volume weighted average price of the Company's Common Stock equals or exceeds: $70.00, in which case 200,000 shares will vest; $85.00, in which a case 300,000 will vest; and $100, in which case 500,000 shares will vest. Vesting is subject to the reporting person's continuous service with the company as chief executive officer for the period from February 28, 2026, to December 31, 2028, and either as CEO or in such other capacity approved by the Board for the period from January 1, 2029, to February 28, 2031. Read SEC document |
| April 01, 2026 Filed Apr 2, 2026 20:26 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Giftcommon stock | 29,333 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000009 · form4-04022026_080455.xml · nonDerivative · entry 3 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Indirect · by family trust Disclosed balance after: 258,990 F3 · shares: 3. These shares were transferred to a family trust for no consideration. Read SEC document |
| April 01, 2026 Filed Apr 2, 2026 20:26 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Giftcommon stock | 29,333 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000009 · form4-04022026_080455.xml · nonDerivative · entry 2 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 609,143 F3 · shares: 3. These shares were transferred to a family trust for no consideration. Read SEC document |
| April 01, 2026 Filed Apr 2, 2026 20:26 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Disposition to issuercommon stock | 58,667 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000009 · form4-04022026_080455.xml · nonDerivative · entry 1 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 638,476 F1 · shares: 1. On January 3, 2022, the reporting person was granted an award of up to 88,000 performance shares. Tranche 1 of the award consisted of 29,333 shares based on the Company's organic growth rate in revenue as compared to 1.5 times the organic growth rate of the NASDAQ Telecommunications Index ("NTI") between January 1, 2022, and December 31, 2025. Tranche 2 of the award consisted of 29,333 shares based on the Company's organic growth rate in cash flows from operating activities as compared to 2.0 times the organic growth rate of the NTI between January 1, 2022, and December 31, 2025. Tranche 3 of the award consisted of 29,334 shares based on the Company's total shareholder return as compared to the total shareholder return of the NTI between January 1, 2022, and December 31, 2025. F2 · shares: 2. On April 1, 2026, the Company determined that the performance criteria for the Tranche 1 had been achieved and 29,333 shares of common stock were earned and vested. The Company also determined that the performance criteria for Tranches 2 and 3 had not been achieved and that 58,667 shares were therefore forfeited. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:39 UTC |
Montagner MarcDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001456823-26-000006 · form4-03312026_090350.xml · nonDerivative · entry 1 Montagner Marc · CIK 0001456823 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 96,397 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. Montagner, a director of Cogent Communications Holdings, Inc. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:38 UTC |
Kennedy Sheryl LynnDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001790695-26-000008 · form4-03312026_090339.xml · nonDerivative · entry 1 Kennedy Sheryl Lynn · CIK 0001790695 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,545 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q1 2026 service. All shares are owned directly by Ms. Kennedy, a director of Cogent Communications Holdings, Inc. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:37 UTC |
Howell Deneen CDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001923830-26-000004 · form4-03312026_090344.xml · nonDerivative · entry 1 Howell Deneen C · CIK 0001923830 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 28,885 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q1 2026 service. All shares are owned directly by Ms. Howell, a director of Cogent Communications Holdings, Inc. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:34 UTC |
Howard Eve NDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001933694-26-000005 · form4-03312026_090305.xml · nonDerivative · entry 1 Howard Eve N · CIK 0001933694 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,861 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q1 2026 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:31 UTC |
FERGUSON Lewis HDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001395643-26-000009 · form4-03312026_090333.xml · nonDerivative · entry 1 FERGUSON Lewis H · CIK 0001395643 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,894 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. Ferguson, a director of Cogent Communications Holdings, Inc. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:30 UTC |
de Sa PaulDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC source: 0001901420-26-000004 · form4-03312026_090319.xml · nonDerivative · entry 1 de Sa Paul · CIK 0001901420 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,347 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. De Sa, a director of Cogent Communications Holdings, Inc. Read SEC document |
| March 31, 2026 Filed Mar 31, 2026 21:29 UTC |
BROOKS STEVEN DDirector
|
Grantcommon stock | 3,445 | $0.00 | $0.00 |
DisclosureSEC 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. Read SEC document |
| March 06, 2026 Filed Mar 9, 2026 12:52 UTC |
KILMER HENRY WVP OF NETWORK STRATEGY
|
Salecommon stock | 2,400 | $23.35 | $56,040.00 |
DisclosureSEC source: 0001599812-26-000004 · form4-03092026_120343.xml · nonDerivative · entry 1 KILMER HENRY W · CIK 0001599812 · VP OF NETWORK STRATEGY 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 41,000 Read SEC document |
| March 05, 2026 Filed Mar 5, 2026 21:57 UTC |
FERGUSON Lewis HDirector
|
Salecommon stock | 2,206 | $23.03 | $50,804.18 |
DisclosureSEC source: 0001395643-26-000007 · form4-03052026_090346.xml · nonDerivative · entry 1 FERGUSON Lewis H · CIK 0001395643 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,449 Read SEC document |
| March 05, 2026 Filed Mar 5, 2026 21:20 UTC |
WEED THADDEUS GERARDVICE PRESIDENT, CFO
|
Salecommon stock | 4,850 | $22.63 | $109,755.50 |
DisclosureSEC source: 0001166978-26-000005 · form4-03052026_090344.xml · nonDerivative · entry 1 WEED THADDEUS GERARD · CIK 0001166978 · VICE PRESIDENT, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 202,750 Read SEC document |
| March 05, 2026 Filed Mar 5, 2026 21:42 UTC |
Kennedy Sheryl LynnDirector
|
Salecommon stock | 3,300 | $22.99 | $75,867.33 |
DisclosureSEC source: 0001790695-26-000007 · form4-03052026_090327.xml · nonDerivative · entry 1 Kennedy Sheryl Lynn · CIK 0001790695 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,100 Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:41 UTC |
Montagner MarcDirector
|
Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC source: 0001456823-26-000003 · form4-01052026_090116.xml · nonDerivative · entry 1 Montagner Marc · CIK 0001456823 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 92,952 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. Montagner, a director of Cogent Communications Holdings, Inc. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:44 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Giftcommon stock | 229,657 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000007 · form4-01052026_090106.xml · nonDerivative · entry 3 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Indirect · by family trust Disclosed balance after: 229,657 F2 · ownership.direct: These shares were transferred to a family trust for no consideration. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:44 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Giftcommon stock | 229,657 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000007 · form4-01052026_090106.xml · nonDerivative · entry 2 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 697,143 F2 · ownership.direct: These shares were transferred to a family trust for no consideration. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:44 UTC |
SCHAEFFER DAVEDirector · CHAIRMAN, CEO, AND PRESIDENT
|
Grantcommon stock | 229,657 | $0.00 | $0.00 |
DisclosureSEC source: 0001166976-26-000007 · form4-01052026_090106.xml · nonDerivative · entry 1 SCHAEFFER DAVE · CIK 0001166976 · Director · CHAIRMAN, CEO, AND PRESIDENT 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 926,800 F1 · shares: The award of restricted stock shall vest effective January 1, 2029, based on Mr. Schaeffer's continued employment as Chief Executive Officer of the Company through December 31, 2028. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:38 UTC |
Howell Deneen CDirector
|
Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC source: 0001923830-26-000003 · form4-01052026_090111.xml · nonDerivative · entry 1 Howell Deneen C · CIK 0001923830 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,440 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2025 service. All shares are owned directly by Ms. Howell, a director of Cogent Communications Holdings, Inc. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:38 UTC |
Kennedy Sheryl LynnDirector
|
Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC source: 0001790695-26-000003 · form4-01052026_090148.xml · nonDerivative · entry 1 Kennedy Sheryl Lynn · CIK 0001790695 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,400 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2025 service. All shares are owned directly by Ms. Kennedy, a director of Cogent Communications Holdings, Inc. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:37 UTC |
Howard Eve NDirector
|
Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC source: 0001933694-26-000003 · form4-01052026_090135.xml · nonDerivative · entry 1 Howard Eve N · CIK 0001933694 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,416 F1 · shares: The shares of common stock reported reflects a quarterly payment to directors for Q4 2025 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:37 UTC |
FERGUSON Lewis HDirector
|
Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC source: 0001395643-26-000003 · form4-01052026_090102.xml · nonDerivative · entry 1 FERGUSON Lewis H · CIK 0001395643 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,655 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. Ferguson, a director of Cogent Communications Holdings, Inc. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:36 UTC |
de Sa PaulDirector
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Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC source: 0001901420-26-000003 · form4-01052026_090122.xml · nonDerivative · entry 1 de Sa Paul · CIK 0001901420 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,902 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. De Sa, a director of Cogent Communications Holdings, Inc. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:35 UTC |
BROOKS STEVEN DDirector
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Grantcommon stock | 3,388 | $0.00 | $0.00 |
DisclosureSEC 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. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:34 UTC |
WEED THADDEUS GERARDVICE PRESIDENT, CFO
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Grantcommon stock | 100,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001166978-26-000003 · form4-01052026_090102.xml · nonDerivative · entry 2 WEED THADDEUS GERARD · CIK 0001166978 · VICE PRESIDENT, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 207,600 F2 · shares: The award shall vest effective January 1, 2029, based on Mr. Weed's continued employment to that date Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:34 UTC |
WEED THADDEUS GERARDVICE PRESIDENT, CFO
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Grantcommon stock | 19,400 | $0.00 | $0.00 |
DisclosureSEC source: 0001166978-26-000003 · form4-01052026_090102.xml · nonDerivative · entry 1 WEED THADDEUS GERARD · CIK 0001166978 · VICE PRESIDENT, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 107,600 F1 · shares: The award of restricted stock shall vest in one third of the grant on January 1 of each of 2027, 2028 and 2029. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:29 UTC |
KILMER HENRY WVP OF NETWORK STRATEGY
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Grantcommon stock | 9,600 | $0.00 | $0.00 |
DisclosureSEC source: 0001599812-26-000003 · form4-01052026_090124.xml · nonDerivative · entry 1 KILMER HENRY W · CIK 0001599812 · VP OF NETWORK STRATEGY 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 43,400 F1 · shares: The award of restricted stock shall vest in one third of the grant on January 1 of each of 2027, 2028 and 2029. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.