As of June 02, 2026, Cogent Communications Holdings's top three insider holders are Dave Schaeffer (Chairman, Ceo, And President, 868.13K shares), Thaddeus Gerard Weed (Vice President, Cfo, 202.75K shares), John B. Chang (Vp Chief Legal Officer, 188.85K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Dave Schaeffer | Chairman, Ceo, And President | 609,143 | 258,990 | 02 Apr, 2026 |
| Thaddeus Gerard Weed | Vice President, Cfo | 202,750 | 0 | 05 Mar, 2026 |
| Raymond B Kummer | Cto Emeritus | 60,000 | 0 | 03 Jan, 2023 |
| Carolyn Katz | - | 15,750 | 0 | 01 Oct, 2021 |
| Steven D Brooks | - | 55,248 | 0 | 31 Mar, 2026 |
| Blake Bath | - | 12,606 | 0 | 31 Mar, 2025 |
| Lewis H Ferguson | - | 23,894 | 0 | 31 Mar, 2026 |
| Marc Montagner | Director Nominee | 96,397 | 0 | 31 Mar, 2026 |
| Henry W Kilmer | Vp Of Network Strategy | 41,000 | 0 | 08 Mar, 2026 |
| James Bubeck | Chief Revenue Officer | 55,142 | 0 | 05 Jun, 2025 |
| John B. Chang | Vp Chief Legal Officer | 188,847 | 0 | 05 Jan, 2026 |
| Sheryl Lynn Kennedy | - | 13,545 | 0 | 31 Mar, 2026 |
| Sean Robert Wallace | Vp, Cfo Treasurer | 29,225 | 0 | 03 Mar, 2022 |
| Sa Paul De | - | 30,347 | 0 | 31 Mar, 2026 |
| Deneen C Howell | - | 28,885 | 0 | 31 Mar, 2026 |
| Eve N Howard | - | 23,861 | 0 | 31 Mar, 2026 |
| David Allen Kapp | Vp Optical Transport Engr Cto | 15,600 | 0 | 03 Jan, 2023 |
| Greg W O'Connor | Vp, Chief Operating Officer | 16,000 | 0 | 03 May, 2023 |
| Mark Andrew Harris | Vp Chief Revenue Officer | 110,168 | 0 | 05 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Dave Schaeffer | common stock | D | 58,667 | $0.00 | 638,476 | D | D |
| 01 Apr, 2026 | Dave Schaeffer | common stock | D | 58,667 | $0.00 | 638,476 | D | D |
| 01 Apr, 2026 | Dave Schaeffer | common stock | D | 29,333 | $0.00 | 609,143 | D | G |
| 01 Apr, 2026 | Dave Schaeffer | common stock | D | 29,333 | $0.00 | 609,143 | D | G |
| 01 Apr, 2026 | Dave Schaeffer | common stock | A | 29,333 | $0.00 | 258,990 | I | G |
| 01 Apr, 2026 | Dave Schaeffer | common stock | A | 29,333 | $0.00 | 258,990 | I | G |
| 31 Mar, 2026 | Deneen C Howell | common stock | A | 3,445 | $0.00 | 28,885 | D | A |
| 31 Mar, 2026 | Lewis H Ferguson | common stock | A | 3,445 | $0.00 | 23,894 | D | A |
| 31 Mar, 2026 | Sheryl Lynn Kennedy | common stock | A | 3,445 | $0.00 | 13,545 | D | A |
| 31 Mar, 2026 | Sheryl Lynn Kennedy | common stock | A | 3,445 | $0.00 | 13,545 | D | A |
| 31 Mar, 2026 | Marc Montagner | common stock | A | 3,445 | $0.00 | 96,397 | D | A |
| 31 Mar, 2026 | Sa Paul De | common stock | A | 3,445 | $0.00 | 30,347 | D | A |
| 31 Mar, 2026 | Eve N Howard | common stock | A | 3,445 | $0.00 | 23,861 | D | A |
| 31 Mar, 2026 | Eve N Howard | common stock | A | 3,445 | $0.00 | 23,861 | D | A |
| 31 Mar, 2026 | Sa Paul De | common stock | A | 3,445 | $0.00 | 30,347 | D | A |
| 31 Mar, 2026 | Deneen C Howell | common stock | A | 3,445 | $0.00 | 28,885 | D | A |
| 31 Mar, 2026 | Lewis H Ferguson | common stock | A | 3,445 | $0.00 | 23,894 | D | A |
| 31 Mar, 2026 | Steven D Brooks | common stock | A | 3,445 | $0.00 | 55,248 | D | A |
| 06 Mar, 2026 | Henry W Kilmer | common stock | D | 2,400 | $23.35 | 41,000 | D | S |
| 06 Mar, 2026 | Henry W Kilmer | common stock | D | 2,400 | $23.35 | 41,000 | D | S |