Howell Deneen C has filed 14 insider transactions across 1 company since January 2023.
Most recent transaction: a grant/award of 3445 shares of COGENT COMMUNICATIONS HOLDINGS, INC. ($CCOI) on March 31, 2026.
| 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 | Howell Deneen C | Not found | A | common stock | 3445 | $0.00 | 28,885.0000 | 47,928,826 | 13.54% | 0.01% |
| Dec. 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 3388 | $0.00 | 25,440.0000 | 47,603,287 | 15.36% | 0.01% |
| Sept. 30, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 2395 | $0.00 | 22,052.0000 | 47,592,836 | 12.18% | 0.01% |
| June 30, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1968 | $0.00 | 19,657.0000 | 47,676,735 | 11.13% | 0.00% |
| March 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1352 | $0.00 | 17,689.0000 | 47,627,873 | 8.28% | 0.00% |
| Jan. 1, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1254 | $0.00 | 16,337.0000 | 47,627,873 | 8.31% | 0.00% |
| Oct. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1452 | $0.00 | 15,083.0000 | 47,426,131 | 10.65% | 0.00% |
| July 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1675 | $0.00 | 13,631.0000 | 47,511,613 | 14.01% | 0.00% |
| April 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1370 | $0.00 | 11,956.0000 | 47,416,268 | 12.94% | 0.00% |
| Jan. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1403 | $0.00 | 10,586.0000 | 47,837,512 | 15.28% | 0.00% |
| Oct. 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1433 | $0.00 | 9,183.0000 | 47,227,338 | 18.49% | 0.00% |
| July 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1435 | $0.00 | 7,750.0000 | 47,526,207 | 22.72% | 0.00% |
| April 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Not found | A | common stock | 1456 | $0.00 | 6,315.0000 | 47,381,226 | 29.97% | 0.00% |
| Jan. 3, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | Howell Deneen C | Director | A | common stock | 1709 | $0.00 | 4,859.0000 | 47,207,298 | 54.25% | 0.00% |