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

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

Total Shares Sold

62,400

CCOI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 9, 2026↗	Sell	2,400	$23.35	$56.0K	41,000
Dec 8, 2025↗	Sell	4,800	$19.79	$95.0K	0
Sep 5, 2025↗	Sell	2,400	$36.99	$88.8K	0
Jun 6, 2025↗	Sell	2,400	$47.95	$115.1K	0
Mar 7, 2025↗	Sell	2,400	$72.57	$174.2K	0
Dec 12, 2024↗	Sell	4,800	$75.61	$362.9K	0
Sep 4, 2024↗	Sell	2,400	$69.51	$166.8K	0
Jun 6, 2024↗	Sell	2,400	$56.00	$134.4K	0
Mar 5, 2024↗	Sell	2,400	$73.47	$176.3K	0
Dec 7, 2023↗	Sell	4,800	$67.94	$326.1K	0
Sep 7, 2023↗	Sell	2,400	$69.16	$166.0K	0
Jun 6, 2023↗	Sell	2,400	$62.23	$149.4K	0
Mar 7, 2023↗	Sell	2,400	$63.52	$152.4K	0
Dec 6, 2022↗	Sell	4,800	$57.36	$275.3K	0
Sep 7, 2022↗	Sell	2,400	$53.85	$129.2K	0
Jun 7, 2022↗	Sell	2,400	$59.20	$142.1K	0
Mar 8, 2022↗	Sell	2,400	$62.72	$150.5K	0
Dec 13, 2021↗	Sell	2,400	$77.26	$185.4K	0
Dec 7, 2021↗	Sell	2,400	$77.90	$187.0K	0
Sep 7, 2021↗	Sell	2,400	$74.13	$177.9K	0
Jun 7, 2021↗	Sell	2,400	$76.09	$182.6K	0
Mar 5, 2021↗	Sell	2,400	$57.64	$138.3K	36,000