Marmurek Eric S reported RBBN

Source

Document

SEC Form 4

Publisher

U.S. Securities and Exchange Commission (EDGAR)

Document ID

0001708055-26-000080

Machine-readable

Structured copy

Timestamps

Event (reported)

Oct 15, 2026

Published

Oct 19, 2026

Ingested by INSIDER

Nov 5, 02:10 UTC

Last re-read

Nov 5, 02:10 UTC

Extracted facts

Filer

Marmurek Eric S

Role

EVP, Chief Financial Officer

Transaction

Option exerciseAs filed: “M”

Asset

Ribbon Communications Inc. — Restricted Stock Units (RSUs)

Ticker

RBBN

Shares

37.5K

Price per share

$0

Execution date (reported)

Oct 15, 2026

Owned after transaction

0 shares

Days from execution to publication

4

What this establishes

Marmurek Eric S filed this Form 4 reporting a option exercise of RBBN on Oct 15, 2026. It became public on Oct 19, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

Extraction

Method

Form 4 XML

Confidence

1.00

EVP, Chief Financial Officer

Marmurek Eric Scik:0001720721

Issuer

Ribbon Communications Inc.cik:0001708055

Revision history · 0

No field has changed since this record was first ingested.