Through the 90-day period concluding February 19, 2026, Cogent Communications Holdings's top three insider stakeholders include Chairman And Ceo And And President Dave Schaeffer (926.80K shares), Vice President And Cfo Thaddeus Gerard Weed (207.60K shares), Vp & Chief Legal Officer John B. Chang (191.94K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Dave Schaeffer | Chairman And Ceo And And President | 926,800 | 05 Jan, 2026 |
| Thaddeus Gerard Weed | Vice President And Cfo | 207,600 | 05 Jan, 2026 |
| John B. Chang | Vp & Chief Legal Officer | 191,936 | 05 Jan, 2026 |
| Mark Andrew Harris | Vp & Chief Revenue Officer | 110,168 | 05 Jan, 2026 |
| Marc Montagner | 92,952 | 05 Jan, 2026 | |
| Raymond B Kummer | Cto Emeritus | 60,000 | 04 Jan, 2023 |
| James Bubeck | Chief Revenue Officer | 55,142 | 06 Jun, 2025 |
| Steven D Brooks | 51,803 | 05 Jan, 2026 | |
| Henry W Kilmer | Vp Of Network Strategy | 43,400 | 05 Jan, 2026 |
| Timothy G Oneill | Vp Construction | 33,600 | 03 Jun, 2021 |
| Sean Robert Wallace | Vp And Cfo & Treasurer | 29,225 | 03 Mar, 2022 |
| Sa Paul De | 26,902 | 05 Jan, 2026 | |
| Deneen C Howell | 25,440 | 05 Jan, 2026 | |
| Lewis H Ferguson | 22,655 | 05 Jan, 2026 | |
| Eve N Howard | 20,416 | 05 Jan, 2026 | |
| Greg W O'Connor | Vp And Chief Operating Officer | 16,000 | 03 May, 2023 |
| Carolyn Katz | 15,750 | 01 Oct, 2021 | |
| Sheryl Lynn Kennedy | 13,400 | 05 Jan, 2026 | |
| Blake Bath | 12,606 | 31 Mar, 2025 | |
| David Allen Kapp | Vp & Chief Technical Officer | 6,600 | 14 Aug, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Dec, 2025 | Dave Schaeffer | common stock | A | 229,657 | $0.00 | 229,657 | I | G |
| 31 Dec, 2025 | Dave Schaeffer | common stock | D | 229,657 | $0.00 | 697,143 | D | G |
| 31 Dec, 2025 | Dave Schaeffer | common stock | A | 229,657 | $0.00 | 926,800 | D | A |
| 31 Dec, 2025 | Thaddeus Gerard Weed | common stock | A | 100,000 | $0.00 | 207,600 | D | A |
| 31 Dec, 2025 | Thaddeus Gerard Weed | common stock | A | 19,400 | $0.00 | 107,600 | D | A |
| 31 Dec, 2025 | Steven D Brooks | common stock | A | 3,388 | $0.00 | 51,803 | D | A |
| 31 Dec, 2025 | Lewis H Ferguson | common stock | A | 3,388 | $0.00 | 22,655 | D | A |
| 31 Dec, 2025 | Marc Montagner | common stock | A | 3,388 | $0.00 | 92,952 | D | A |
| 31 Dec, 2025 | Henry W Kilmer | common stock | A | 9,600 | $0.00 | 43,400 | D | A |
| 31 Dec, 2025 | John B. Chang | common stock | A | 100,000 | $0.00 | 188,847 | D | A |
| 31 Dec, 2025 | John B. Chang | common stock | A | 9,600 | $0.00 | 88,847 | D | A |
| 31 Dec, 2025 | Sheryl Lynn Kennedy | common stock | A | 3,388 | $0.00 | 13,400 | D | A |
| 31 Dec, 2025 | Sa Paul De | common stock | A | 3,388 | $0.00 | 26,902 | D | A |
| 31 Dec, 2025 | Deneen C Howell | common stock | A | 3,388 | $0.00 | 25,440 | D | A |
| 31 Dec, 2025 | Eve N Howard | common stock | A | 3,388 | $0.00 | 20,416 | D | A |
| 31 Dec, 2025 | Mark Andrew Harris | common stock | A | 5,000 | $0.00 | 10,168 | D | A |
| 31 Dec, 2025 | Mark Andrew Harris | common stock | A | 100,000 | $0.00 | 110,168 | D | A |
| 11 Dec, 2025 | Thaddeus Gerard Weed | common stock | D | 7,300 | $23.99 | 88,200 | D | S |
| 08 Dec, 2025 | Henry W Kilmer | common stock | D | 4,800 | $19.79 | 33,800 | D | S |
| 02 Dec, 2025 | Lewis H Ferguson | common stock | D | 4,000 | $20.34 | 19,267 | D | S |