InsiderFlow

KILMER HENRY W

CCOI

KILMER HENRY W serves as officer: VP OF NETWORK STRATEGY at Cogent Communications Holdings, Inc. (CCOI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

22 trades

$3.73M

Net Position

Net Seller

$3.73M

Companies Traded

1

CCOI

Active Period

Mar 2021 – Mar 2026

22 total trades

Most Recent

Sell CCOI

Mar 9, 2026 · $56.0K

KILMER HENRY W's Insider Trading at Cogent Communications Holdings, Inc. (CCOI)

Buys

0 · $0.00

Sells

22 · $3.73M

Total Shares Bought

0

Total Shares Sold

62,400

CCOI Price Chart
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DateTypeValue
Mar 9, 2026 Sell$56.0K
Dec 8, 2025 Sell$95.0K
Sep 5, 2025 Sell$88.8K
Jun 6, 2025 Sell$115.1K
Mar 7, 2025 Sell$174.2K
Dec 12, 2024 Sell$362.9K
Sep 4, 2024 Sell$166.8K
Jun 6, 2024 Sell$134.4K
Mar 5, 2024 Sell$176.3K
Dec 7, 2023 Sell$326.1K
Sep 7, 2023 Sell$166.0K
Jun 6, 2023 Sell$149.4K
Mar 7, 2023 Sell$152.4K
Dec 6, 2022 Sell$275.3K
Sep 7, 2022 Sell$129.2K
Jun 7, 2022 Sell$142.1K
Mar 8, 2022 Sell$150.5K
Dec 13, 2021 Sell$185.4K
Dec 7, 2021 Sell$187.0K
Sep 7, 2021 Sell$177.9K
Jun 7, 2021 Sell$182.6K
Mar 5, 2021 Sell$138.3K
KILMER HENRY W Insider Trading Activity | Cogent Communications Holdings, Inc. | InsiderFlow