SCHAEFFER DAVE 内部人交易：近期 SEC Form 4 交易
过去 18 个月，SCHAEFFER DAVE（CIK 1166976）在 1 家公司共报告 46 笔 SEC Form 4 内部人交易（最近一笔 2026-05-04）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-05-04 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 买入 | 1.0M | $0 |
| 2026-05-04 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 1.0M | $0 |
| 2026-05-04 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 买入 | 1.0M | $0 |
| 2026-04-02 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 58,667 | $0 |
| 2026-04-02 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 29,333 | $0 |
| 2026-04-02 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 买入 | 29,333 | $0 |
| 2026-01-05 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 买入 | 229,657 | $0 |
| 2026-01-05 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 229,657 | $0 |
| 2026-01-05 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 买入 | 229,657 | $0 |
| 2025-08-11 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 818,909 | $22.5M |
| 2025-08-08 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 1.8M | $60.0M |
| 2025-06-16 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 45,000 | $2.1M |
| 2025-06-16 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 10,000 | $473,400 |
| 2025-06-16 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 45,000 | $2.1M |
| 2025-06-16 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 25,000 | $1.2M |
| 2025-06-12 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 10,000 | $483,500 |
| 2025-06-12 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 10,000 | $478,300 |
| 2025-06-12 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 45,000 | $2.2M |
| 2025-06-12 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 45,000 | $2.2M |
| 2025-06-10 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 40,000 | $1.9M |
| 2025-06-10 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 15,000 | $729,450 |
| 2025-06-09 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 50,000 | $2.4M |
| 2025-06-09 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 30,000 | $1.4M |
| 2025-06-09 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 40,000 | $1.9M |
| 2025-06-09 | COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | CHAIRMAN, CEO, AND PRESIDENT | 卖出 | 35,000 | $1.7M |
来源：SEC Form 4 申报文件 · 截至 2026-05-04