Eric S Marmurek

RBBN

Eric S Marmurek serves as SVP, Deputy CFO and CAO at Ribbon Communications Inc. (RBBN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

2 trades

$163.5K

Net Position

Net Seller

$163.5K

Companies Traded

RBBN

Active Period

Apr 2025 – Oct 2025

2 total trades

Most Recent

Sell RBBN

Oct 15, 2025 · $112.4K

Eric S Marmurek's Insider Trading at Ribbon Communications Inc. (RBBN)

Buys

0 · $0.00

Sells

2 · $163.5K

Total Shares Bought

Total Shares Sold

43,908

RBBN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 15, 2025	Sell	29,512	$3.81	$112.4K	0
Apr 17, 2025	Sell	14,396	$3.55	$51.1K	0

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