Marc Montagner

CCOI

Marc Montagner serves as EVP - CHIEF FINANCIAL OFFICER at Cogent Communications Holdings, Inc. (CCOI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

2 trades

$1.07M

Total Sells

3 trades

$997.5K

Net Position

Net Buyer

$77.4K

Companies Traded

SBAC, CCOI

Active Period

Nov 2022 – Oct 2025

5 total trades

Most Recent

Sell SBAC

Oct 27, 2025 · $123.4K

Marc Montagner's Insider Trading at Cogent Communications Holdings, Inc. (CCOI)

Buys

2 · $1.07M

Sells

1 · $694.5K

Total Shares Bought

20,000

Total Shares Sold

10,550

CCOI Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Jun 11, 2024↗	Buy	10,000	$52.61	$526.1K
Nov 14, 2023↗	Sell	10,550	$65.83	$694.5K
Nov 9, 2022↗	Buy	10,000	$54.88	$548.8K

Marc Montagner's Insider Trading at SBA Communications Corporation (SBAC)

Buys

0 · $0.00

Sells

2 · $303.0K

Total Shares Bought

Total Shares Sold

1,440

SBAC Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Oct 27, 2025↗	Sell	625	$197.38	$123.4K	0
Mar 10, 2025↗	Sell	815	$220.36	$179.6K	0

Related Insiders

KILMER HENRY W

officer: VP OF NETWORK STRATEGY

CCOISell · Mar 6, 2026

Sheryl Lynn Kennedy

director

CCOISell · Mar 5, 2026

Lewis H FERGUSON

director

CCOISell · Mar 5, 2026

WEED THADDEUS GERARD

officer: VICE PRESIDENT, CFO

CCOISell · Mar 5, 2026

DAY DONALD

EVP - SITE LEASING

SBACSell · Feb 18, 2026

KOENIG JOSHUA

EXECUTIVE VP/GENERAL COUNSEL

SBACSell · Jan 20, 2026

Brendan Thomas Cavanagh

PRESIDENT AND CEO

SBACSell · Jan 20, 2026

KREDI SAUL

VP & Chief Accounting Officer

SBACSell · Jan 20, 2026

Explore More Insider Trading Data

CCOI Insider Trading Activity

View all insider trades at Cogent Communications Holdings, Inc.

Communication Services Sector Insider Trades

See insider activity across communication services stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity