Kennedy Sheryl Lynn sold Cogent Communications Holdings Inc. ($CCOI) shares on the open market four times over the past year, for a total of about $273 thousand. Her most recent sale occurred on March 5, 2026. These transactions rank her 7,771st among 11,678 individual insiders by sale value, below the average of $8.6 million per insider and 6.4 transactions. She 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 | Kennedy Sheryl Lynn | Not found | A | common stock | 3445 | $0.00 | 13,545.0000 | 47,928,826 | 34.11% | 0.01% |
| March 5, 2026 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 3300 | $22.99 | 10,100.0000 | 47,928,826 | 24.63% | 0.01% |
| Dec. 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 3388 | $0.00 | 13,400.0000 | 47,603,287 | 33.84% | 0.01% |
| Nov. 11, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 2400 | $21.34 | 10,012.0000 | 47,603,287 | 19.34% | 0.01% |
| Sept. 30, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 2395 | $0.00 | 12,412.0000 | 47,592,836 | 23.91% | 0.01% |
| Aug. 21, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 2000 | $36.35 | 10,017.0000 | 47,592,836 | 16.64% | 0.00% |
| June 30, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1968 | $0.00 | 12,017.0000 | 47,676,735 | 19.58% | 0.00% |
| May 13, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 1450 | $50.19 | 10,049.0000 | 47,676,735 | 12.61% | 0.00% |
| March 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1352 | $0.00 | 11,499.0000 | 47,627,873 | 13.32% | 0.00% |
| March 3, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 1425 | $72.96 | 10,147.0000 | 47,627,873 | 12.31% | 0.00% |
| Jan. 1, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1254 | $0.00 | 11,572.0000 | 47,627,873 | 12.15% | 0.00% |
| Nov. 11, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 1350 | $80.58 | 10,318.0000 | 47,426,131 | 11.57% | 0.00% |
| Oct. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1452 | $0.00 | 11,668.0000 | 47,426,131 | 14.21% | 0.00% |
| Sept. 10, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 1550 | $71.06 | 10,216.0000 | 47,511,613 | 13.17% | 0.00% |
| July 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1675 | $0.00 | 11,766.0000 | 47,511,613 | 16.60% | 0.00% |
| May 23, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 1640 | $57.79 | 10,091.0000 | 47,416,268 | 13.98% | 0.00% |
| April 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1370 | $0.00 | 11,731.0000 | 47,416,268 | 13.22% | 0.00% |
| Jan. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1403 | $0.00 | 10,361.0000 | 47,837,512 | 15.66% | 0.00% |
| Nov. 27, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 925 | $65.77 | 8,958.0000 | 47,227,338 | 9.36% | 0.00% |
| Oct. 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1433 | $0.00 | 9,883.0000 | 47,227,338 | 16.96% | 0.00% |
| Aug. 24, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 550 | $68.85 | 8,450.0000 | 47,526,207 | 6.11% | 0.00% |
| July 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1435 | $0.00 | 9,000.0000 | 47,526,207 | 18.97% | 0.00% |
| May 30, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | S | common stock | 1100 | $63.14 | 7,565.0000 | 47,381,226 | 12.69% | 0.00% |
| April 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Not found | A | common stock | 1456 | $0.00 | 8,665.0000 | 47,381,226 | 20.20% | 0.00% |
| March 13, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Director | S | common stock | 600 | $61.66 | 7,209.0000 | 47,207,298 | 7.68% | 0.00% |
| Jan. 3, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Kennedy Sheryl Lynn | Director | A | common stock | 1709 | $0.00 | 7,809.0000 | 47,207,298 | 28.02% | 0.00% |