See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for COGENT COMMUNICATIONS HOLDINGS, INC.
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 15, 2026 KILMER HENRY W |
KILMER HENRY W
VP OF NETWORK STRATEGY
|
Sell |
2,400 | $9.21 | 2,400 $9.21 $22,104 |
Sep 02, 2026 WEED THADDEUS GERARD |
WEED THADDEUS GERARD
|
Sell |
4,850 | $9.37 | 4,850 $9.37 $45,445 |
Jun 16, 2026 WEED THADDEUS GERARD |
WEED THADDEUS GERARD
VICE PRESIDENT, CFO
|
Sell |
4,850 | $16.79 | 4,850 $16.79 $81,434 |
Jun 15, 2026 KILMER HENRY W |
KILMER HENRY W
VP OF NETWORK STRATEGY
|
Sell |
2,400 | $17.01 | 2,400 $17.01 $40,824 |
May 28, 2026 FERGUSON Lewis H |
FERGUSON Lewis H
|
Sell |
2,800 | $20.36 | 2,800 $20.36 $57,008 |
May 14, 2026 Kennedy Sheryl Lynn |
Kennedy Sheryl Lynn
|
Sell |
3,300 | $16.22 | 3,300 $16.22 $53,518 |
Mar 06, 2026 KILMER HENRY W |
KILMER HENRY W
VP OF NETWORK STRATEGY
|
Sell |
2,400 | $23.35 | 2,400 $23.35 $56,040 |
Mar 05, 2026 Kennedy Sheryl Lynn |
Kennedy Sheryl Lynn
|
Sell |
3,300 | $22.99 | 3,300 $22.99 $75,867 |
Mar 05, 2026 FERGUSON Lewis H |
FERGUSON Lewis H
|
Sell |
2,206 | $23.03 | 2,206 $23.03 $50,804 |
Mar 05, 2026 WEED THADDEUS GERARD |
WEED THADDEUS GERARD
VICE PRESIDENT, CFO
|
Sell |
4,850 | $22.63 | 4,850 $22.63 $109,756 |
Dec 11, 2025 WEED THADDEUS GERARD |
WEED THADDEUS GERARD
VICE PRESIDENT, CFO
|
Sell |
7,300 | $23.99 | 7,300 $23.99 $175,127 |
Dec 08, 2025 KILMER HENRY W |
KILMER HENRY W
VP OF NETWORK STRATEGY
|
Sell |
4,800 | $19.79 | 4,800 $19.79 $94,992 |
Dec 02, 2025 FERGUSON Lewis H |
FERGUSON Lewis H
|
Sell |
4,000 | $20.34 | 4,000 $20.34 $81,341 |
Dec 01, 2025 KILMER HENRY W |
KILMER HENRY W
VP OF NETWORK STRATEGY
|
Sell |
2,400 | $0.00 | 2,400 $0.00 $0 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Nov 11, 2025 Kennedy Sheryl Lynn |
Kennedy Sheryl Lynn
|
Sell |
2,400 | $21.34 | 2,400 $21.34 $51,221 |
Sep 05, 2025 KILMER HENRY W |
KILMER HENRY W
VP OF NETWORK STRATEGY
|
Sell |
2,400 | $36.99 | 2,400 $36.99 $88,776 |
Sep 02, 2025 WEED THADDEUS GERARD |
WEED THADDEUS GERARD
VICE PRESIDENT, CFO
|
Sell |
4,900 | $36.98 | 4,900 $36.98 $181,202 |
Aug 21, 2025 Kennedy Sheryl Lynn |
Kennedy Sheryl Lynn
|
Sell |
2,000 | $36.35 | 2,000 $36.35 $72,700 |
Aug 08, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
818,909 | $27.50 | 818,909 $27.50 $22,519,998 |
Aug 07, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
1,840,669 | $32.60 | 1,840,669 $32.60 $60,005,809 |
Jun 16, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
45,000 | $47.14 | 45,000 $47.14 $2,121,242 |
Jun 16, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
25,000 | $47.05 | 25,000 $47.05 $1,176,368 |
Jun 13, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
45,000 | $47.42 | 45,000 $47.42 $2,133,842 |
Jun 13, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
10,000 | $47.34 | 10,000 $47.34 $473,362 |
Jun 12, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
10,000 | $47.83 | 10,000 $47.83 $478,348 |
Jun 12, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
45,000 | $47.87 | 45,000 $47.87 $2,154,024 |
Jun 11, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
45,000 | $48.55 | 45,000 $48.55 $2,184,624 |
Jun 11, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
10,000 | $48.35 | 10,000 $48.35 $483,511 |
Jun 10, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
40,000 | $48.70 | 40,000 $48.70 $1,947,996 |
Jun 10, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
15,000 | $48.63 | 15,000 $48.63 $729,494 |
Jun 09, 2025 WEED THADDEUS GERARD |
WEED THADDEUS GERARD
VICE PRESIDENT, CFO
|
Sell |
4,900 | $48.04 | 4,900 $48.04 $235,396 |
Jun 09, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
40,000 | $48.51 | 40,000 $48.51 $1,940,468 |
Jun 09, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
15,000 | $48.99 | 15,000 $48.99 $734,879 |
Jun 06, 2025 SCHAEFFER DAVE |
SCHAEFFER DAVE
Chairman, CEO, and President
|
Sell |
50,000 | $47.78 | 50,000 $47.78 $2,388,820 |
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