Lewis H. Ferguson sold Cogent Communications Holdings ($CCOI) shares on the open market three times in the last year, totaling about $185 thousand. His most recent sale occurred on March 5, 2026. These sales rank 8,592nd among 11,678 individual insiders, well below the average of 8.6 million per seller and 6.4 transactions. Ferguson made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 3445 | $0.00 | 23,894.0000 | 47,928,826 | 16.85% | 0.01% |
| March 5, 2026 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 2206 | $23.03 | 20,449.0000 | 47,928,826 | 9.74% | 0.00% |
| Dec. 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 3388 | $0.00 | 22,655.0000 | 47,603,287 | 17.58% | 0.01% |
| Dec. 2, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 4000 | $20.34 | 19,267.0000 | 47,603,287 | 17.19% | 0.01% |
| Sept. 30, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 2395 | $0.00 | 23,267.0000 | 47,592,836 | 11.47% | 0.01% |
| June 30, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1968 | $0.00 | 20,872.0000 | 47,676,735 | 10.41% | 0.00% |
| May 28, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 1100 | $47.57 | 18,904.0000 | 47,676,735 | 5.50% | 0.00% |
| March 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1352 | $0.00 | 20,004.0000 | 47,627,873 | 7.25% | 0.00% |
| March 12, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 956 | $69.37 | 18,652.0000 | 47,627,873 | 4.88% | 0.00% |
| Jan. 1, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1254 | $0.00 | 19,608.0000 | 47,627,873 | 6.83% | 0.00% |
| Nov. 18, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 846 | $81.76 | 18,354.0000 | 47,426,131 | 4.41% | 0.00% |
| Oct. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1452 | $0.00 | 19,200.0000 | 47,426,131 | 8.18% | 0.00% |
| Aug. 22, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 1550 | $72.62 | 17,748.0000 | 47,511,613 | 8.03% | 0.00% |
| July 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1675 | $0.00 | 19,298.0000 | 47,511,613 | 9.50% | 0.00% |
| May 21, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 2000 | $58.90 | 17,623.0000 | 47,416,268 | 10.19% | 0.00% |
| April 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1370 | $0.00 | 19,623.0000 | 47,416,268 | 7.51% | 0.00% |
| Jan. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1403 | $0.00 | 18,253.0000 | 47,837,512 | 8.33% | 0.00% |
| Nov. 30, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 950 | $64.60 | 16,850.0000 | 47,227,338 | 5.34% | 0.00% |
| Oct. 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1433 | $0.00 | 17,800.0000 | 47,227,338 | 8.76% | 0.00% |
| Aug. 29, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 650 | $69.64 | 16,367.0000 | 47,526,207 | 3.82% | 0.00% |
| July 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1435 | $0.00 | 17,017.0000 | 47,526,207 | 9.21% | 0.00% |
| May 30, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | S | common stock | 640 | $63.24 | 15,582.0000 | 47,381,226 | 3.95% | 0.00% |
| April 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Not found | A | common stock | 1456 | $0.00 | 16,222.0000 | 47,381,226 | 9.86% | 0.00% |
| March 13, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Director | S | common stock | 990 | $61.50 | 14,766.0000 | 47,207,298 | 6.28% | 0.00% |
| Jan. 3, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | FERGUSON Lewis H | Director | A | common stock | 1709 | $0.00 | 15,756.0000 | 47,207,298 | 12.17% | 0.00% |