SCHAEFFER DAVE
SEC CIK 1166976 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | COB, Pres, CEO, Dir | 1.61M | — | $191.01M | 66 | 2022-01-03 | 2026-05-04 |
Most active insiders at CCOI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | WEED THADDEUS GERARD | VP, CFO | — | $411.8K |
| 2 | KILMER HENRY W | VP OF NETWORK STRATEGY | — | $214.0K |
| 3 | FERGUSON Lewis H | Dir | — | $189.2K |
| 4 | Kennedy Sheryl Lynn | Dir | — | $180.6K |
| 5 | Harris Mark Andrew | VP, Chief Revenue Off | — | — |
| 6 | Howard Eve N | Dir | — | — |
| 7 | Howell Deneen C | Dir | — | — |
| 8 | de Sa Paul | Dir | — | — |
| 9 | Chang John B. | VP, CLO | — | — |
| 10 | Montagner Marc | Dir | — | — |
| 12 | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | — | — |
Transactions 66
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-04 16:22 | 2026-05-04 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | A - Grant | $0.00 | +1.00M | 1.61M | +164% | $0 | |
| 2026-05-04 16:22 | 2026-05-04 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | G - Gift | $0.00 | -1.00M | 609.1K | -62% | $0 | |
| I | 2026-05-04 16:22 | 2026-05-04 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | G - Gift | $0.00 | +1.00M | 1.26M | +386% | $0 |
| 2026-04-02 16:26 | 2026-04-01 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | D - Sale to Iss | $0.00 | -58.7K | 638.5K | -8% | $0 | |
| 2026-04-02 16:26 | 2026-04-01 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | G - Gift | $0.00 | -29.3K | 609.1K | -5% | $0 | |
| I | 2026-04-02 16:26 | 2026-04-01 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | G - Gift | $0.00 | +29.3K | 259.0K | +13% | $0 |
| I | 2026-01-05 | 2025-12-31 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | G - Gift | $0.00 | +229.7K | 229.7K | New | $0 |
| 2026-01-05 | 2025-12-31 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | G - Gift | $0.00 | -229.7K | 697.1K | -25% | $0 | |
| 2026-01-05 | 2025-12-31 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | A - Grant | $0.00 | +229.7K | 926.8K | +33% | $0 | |
| 2025-08-11 | 2025-08-08 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $27.50 | -818.9K | 697.1K | -54% | -$22.52M | |
| 2025-08-08 | 2025-08-07 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $32.60 | -1.84M | 1.52M | -55% | -$60.01M | |
| M | 2025-06-16 | 2025-06-13 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.41 | -55.0K | 3.43M | -2% | -$2.61M |
| M | 2025-06-16 | 2025-06-16 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.11 | -70.0K | 3.36M | -2% | -$3.30M |
| M | 2025-06-12 | 2025-06-12 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.86 | -55.0K | 3.49M | -2% | -$2.63M |
| M | 2025-06-12 | 2025-06-11 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $48.51 | -55.0K | 3.55M | -2% | -$2.67M |
| M | 2025-06-10 | 2025-06-10 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $48.68 | -55.0K | 3.61M | -2% | -$2.68M |
| M | 2025-06-09 | 2025-06-09 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $48.64 | -55.0K | 3.65M | -1% | -$2.68M |
| M | 2025-06-09 | 2025-06-05 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.30 | -75.0K | 3.78M | -2% | -$3.55M |
| M | 2025-06-09 | 2025-06-06 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.78 | -80.0K | 3.70M | -2% | -$3.82M |
| M | 2025-06-05 | 2025-06-04 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.76 | -75.0K | 3.88M | -2% | -$3.58M |
| M | 2025-06-04 | 2025-06-03 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $46.97 | -65.0K | 3.95M | -2% | -$3.05M |
| M | 2025-06-03 | 2025-06-02 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $46.32 | -65.0K | 4.00M | -2% | -$3.01M |
| 2025-06-02 | 2025-05-30 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $45.90 | -25.0K | 4.06M | -0.6% | -$1.15M | |
| 2025-05-30 | 2025-05-29 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $46.90 | -25.0K | 4.09M | -0.6% | -$1.17M | |
| 2025-05-29 | 2025-05-28 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $47.41 | -20.0K | 4.11M | -0.5% | -$948.2K | |
| 2025-05-28 | 2025-05-27 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $48.67 | -20.0K | 4.13M | -0.5% | -$973.4K | |
| 2025-05-27 | 2025-05-23 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $46.93 | -25.0K | 4.15M | -0.6% | -$1.17M | |
| 2025-05-23 | 2025-05-22 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $46.27 | -25.0K | 4.18M | -0.6% | -$1.16M | |
| 2025-05-22 | 2025-05-21 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $46.81 | -40.0K | 4.20M | -0.9% | -$1.87M | |
| 2025-05-21 | 2025-05-20 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $49.96 | -15.0K | 4.24M | -0.4% | -$749.4K | |
| 2025-05-19 | 2025-05-16 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $51.00 | -15.0K | 4.26M | -0.4% | -$765.0K | |
| 2025-05-16 | 2025-05-15 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $50.38 | -40.0K | 4.27M | -0.9% | -$2.02M | |
| 2025-05-15 | 2025-05-14 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $50.64 | -30.0K | 4.31M | -0.7% | -$1.52M | |
| M | 2025-05-14 | 2025-05-12+ | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $50.38 | -54.0K | 4.34M | -1% | -$2.72M |
| 2025-04-04 | 2025-04-04 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | D - Sale to Iss | $0.00 | -48.3K | 4.40M | -1% | $0 | |
| 2025-03-05 | 2025-03-04 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $71.77 | -60.0K | 4.44M | -1% | -$4.31M | |
| M | 2025-01-15 | 2025-01-14 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | A - Grant | $0.00 | +180.0K | 4.41M | +4% | $0 |
| 2024-12-17 | 2024-12-16 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | D - Sale to Iss | $75.88 | -20.0K | 4.23M | -0.5% | -$1.52M | |
| M | 2024-11-27 | 2024-11-25+ | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir | S - Sale | $83.33 | -60.0K | 4.27M | -1% | -$5.00M |
| 2024-09-11 | 2024-09-10 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $71.75 | -65.0K | 4.31M | -1% | -$4.66M | |
| 2024-08-28 | 2024-08-27 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $72.82 | -60.0K | 4.37M | -1% | -$4.37M | |
| 2024-06-17 | 2024-06-14 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $51.78 | -60.0K | 4.43M | -1% | -$3.11M | |
| 2024-06-13 | 2024-06-12 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $54.60 | -60.0K | 4.49M | -1% | -$3.28M | |
| 2024-05-14 | 2024-05-13 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $59.44 | -50.0K | 4.55M | -1% | -$2.97M | |
| 2024-04-01 | 2024-04-01 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | D - Sale to Iss | $0.00 | -50.2K | 4.60M | -1% | $0 | |
| 2024-03-18 | 2024-03-15 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $64.21 | -26.2K | 4.65M | -0.6% | -$1.68M | |
| 2024-03-15 | 2024-03-13 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $67.52 | -30.0K | 4.68M | -0.6% | -$2.03M | |
| A | 2024-03-14 | 2024-03-12 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $68.12 | -50.0K | 4.71M | -1% | -$3.41M |
| A | 2024-03-14 | 2024-03-11 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $67.93 | -35.0K | 4.76M | -0.7% | -$2.38M |
| 2024-03-12 | 2024-03-12 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | D - Sale to Iss | $68.12 | -50.0K | 4.71M | -1% | -$3.41M | |
| 2024-03-12 | 2024-03-11 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | D - Sale to Iss | $67.93 | -35.0K | 4.76M | -0.7% | -$2.38M | |
| 2024-03-08 | 2024-03-06 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | D - Sale to Iss | $0.00 | -21.4K | 4.79M | -0.4% | $0 | |
| 2024-03-08 | 2024-03-06 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $72.55 | -8,826 | 4.82M | -0.2% | -$640.3K | |
| M | 2024-01-05 | 2024-01-03 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | A - Grant | $0.00 | +180.0K | 4.82M | +4% | $0 |
| 2023-12-14 | 2023-12-13 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $69.99 | -20.0K | 4.74M | -0.4% | -$1.40M | |
| 2023-12-01 | 2023-12-01 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $65.18 | -36.6K | 4.76M | -0.8% | -$2.39M | |
| 2023-12-01 | 2023-11-30 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $64.31 | -3,396 | 4.80M | -0.1% | -$218.4K | |
| 2023-11-16 | 2023-11-14 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $66.37 | -40.0K | 4.80M | -0.8% | -$2.65M | |
| 2023-09-18 | 2023-09-15 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $65.82 | -18.2K | 4.84M | -0.4% | -$1.20M | |
| M | 2023-09-14 | 2023-09-12+ | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $66.87 | -45.0K | 4.86M | -0.9% | -$3.01M |
| M | 2023-09-12 | 2023-09-08+ | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $67.68 | -45.0K | 4.90M | -0.9% | -$3.05M |
| M | 2023-06-08 | 2023-06-06+ | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $62.28 | -67.9K | 4.96M | -1% | -$4.23M |
| 2023-06-08 | 2023-06-08 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $62.44 | -7,061 | 4.95M | -0.1% | -$440.9K | |
| 2023-05-12 | 2023-05-10 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, CEO, AND Pres, Dir, 10% | S - Sale | $65.38 | -35.0K | 5.02M | -0.7% | -$2.29M | |
| M | 2023-01-04 | 2023-01-03 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, Pres, CEO, Dir | A - Grant | $0.00 | +160.0K | 5.06M | +3% | $0 |
| M | 2022-01-05 | 2022-01-03 | CCOI | COGENT COMMUNICATIONS HOLDINGS, INC. | SCHAEFFER DAVE | COB, Pres, CEO, Dir | A - Grant | $0.00 | +160.0K | 4.90M | +3% | $0 |
Purchase Sale Sale after option exercise All abbreviations