Thaddeus Gerard Weed, vice president and CFO of Cogent Communications Holdings Inc. (CCOI), sold CCOI shares on the open market seven times over the past year for a total of $711,000. His most recent sale occurred on March 5, 2026. These transactions rank 5,699th out of 11,678 insiders in our database, trailing the average sale value of $8.6 million across 6.4 transactions. Weed made no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4850 | $22.63 | 202,750.0000 | 47,928,826 | 2.34% | 0.01% |
| Dec. 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 19400 | $0.00 | 107,600.0000 | 47,603,287 | 22.00% | 0.04% |
| Dec. 31, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 100000 | $0.00 | 207,600.0000 | 47,603,287 | 92.94% | 0.21% |
| Dec. 11, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 7300 | $23.99 | 88,200.0000 | 47,603,287 | 7.64% | 0.02% |
| Dec. 1, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 2400 | $0.00 | 95,500.0000 | 47,603,287 | 2.58% | 0.01% |
| Sept. 2, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4900 | $36.98 | 93,100.0000 | 47,592,836 | 5.00% | 0.01% |
| June 9, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4900 | $48.04 | 98,000.0000 | 47,676,735 | 4.76% | 0.01% |
| May 28, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 100 | $47.67 | 102,900.0000 | 47,676,735 | 0.10% | 0.00% |
| May 16, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 0 | $0.00 | 103,000.0000 | 47,676,735 | 0.00% | 0.00% |
| May 16, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 100 | $50.41 | 102,900.0000 | 47,676,735 | 0.10% | 0.00% |
| March 3, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4900 | $72.06 | 103,000.0000 | 47,627,873 | 4.54% | 0.01% |
| Jan. 9, 2025 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 19400 | $0.00 | 107,900.0000 | 47,627,873 | 21.92% | 0.04% |
| Dec. 1, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 2400 | $0.00 | 93,300.0000 | 47,426,131 | 2.64% | 0.01% |
| Dec. 2, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4800 | $81.58 | 88,500.0000 | 47,426,131 | 5.14% | 0.01% |
| Sept. 3, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 2400 | $69.68 | 90,900.0000 | 47,511,613 | 2.57% | 0.01% |
| June 10, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 2400 | $52.61 | 93,300.0000 | 47,416,268 | 2.51% | 0.01% |
| March 12, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 2400 | $68.17 | 95,700.0000 | 47,837,512 | 2.45% | 0.01% |
| March 12, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | D | common stock | 2400 | $68.17 | 95,700.0000 | 47,837,512 | 2.45% | 0.01% |
| Jan. 3, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 19400 | $0.00 | 68,100.0000 | 47,837,512 | 39.84% | 0.04% |
| Jan. 3, 2024 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 30000 | $0.00 | 98,100.0000 | 47,837,512 | 44.05% | 0.06% |
| Dec. 1, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | A | common stock | 4850 | $0.00 | 58,400.0000 | 47,227,338 | 9.06% | 0.01% |
| Dec. 4, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 9700 | $65.84 | 48,700.0000 | 47,227,338 | 16.61% | 0.02% |
| Sept. 5, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4850 | $69.43 | 53,550.0000 | 47,526,207 | 8.30% | 0.01% |
| June 5, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 4850 | $62.28 | 58,400.0000 | 47,381,226 | 7.67% | 0.01% |
| May 9, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | S | common stock | 10000 | $64.96 | 63,250.0000 | 47,381,226 | 13.65% | 0.02% |
| March 3, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VP, CFO, Treasurer | S | common stock | 4850 | $64.30 | 73,250.0000 | 47,207,298 | 6.21% | 0.01% |
| Jan. 3, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VP, CFO, Treasurer | A | common stock | 10000 | $0.00 | 78,100.0000 | 47,207,298 | 14.68% | 0.02% |
| Jan. 3, 2023 | COGENT COMMUNICATIONS HOLDINGS, INC. | $CCOI | WEED THADDEUS GERARD | VP, CFO, Treasurer | A | common stock | 19400 | $0.00 | 68,100.0000 | 47,207,298 | 39.84% | 0.04% |