Marmurek Eric S — SVP, Deputy CFO and CAO
Insider trading activity for Marmurek Eric S sourced from SEC EDGAR Form 4 filings.
Overview
- Title: SVP, Deputy CFO and CAO
- Company: Ribbon Communications Inc.
- Total insider trades: 3
- Total buy volume: $0
- Total sell volume: $0
- Last trade: Apr 17, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Apr 15, 2026 | Marmurek Eric S | RBBN Ribbon Communications Inc. | OTHER | 37,500 | N/A |
| Apr 15, 2026 | Marmurek Eric S | RBBN Ribbon Communications Inc. | OTHER | 14,756 | $37K |
| Apr 15, 2026 | Marmurek Eric S | RBBN Ribbon Communications Inc. | OTHER | 37,500 | N/A |