Ownership

Eric S. Marmurek - Insider Trading & Ownership

Entity: Individual
Location: C/O 4 Technology Park Drive, Westford, MA
Summary: The estimated net worth of Eric S. Marmurek is at least $1.18M dollars as of April 22, 2025. Eric S. Marmurek is the SVP, CAO & Deputy CFO of Ribbon Communications Inc. and owns shares of Ribbon Communications Inc. (RBBN) stock worth about $1.18M.
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Ownership of Eric S. Marmurek

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
RBBN	Ribbon Communications Inc.	SVP, CAO & Deputy CFO	$1.18M			Apr 17, 2025

Insider Transactions Reported by Eric S. Marmurek:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.