Who
Eric S. Marmurek
EVP, Chief Financial Officer
Company insider
Files Form 4 as: EVP, Chief Financial Officer, Ribbon Communications.
In numbers
- Trades disclosed
- 181
- Buys
- 0
- Sells
- 5
- Bought
- $0
- Sold
- $82K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 15 Nov 2017
- Last trade
- 15 Oct 2026
- Last filed
- 19 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 15 Oct 2026filed 19 Oct 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code M | —37,500 | filing |
| 15 Oct 2026filed 19 Oct 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code F | $22K14,756 at $1.46 | filing |
| 15 Oct 2026filed 19 Oct 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —37,500 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —150,000 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —90,000 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —60,000 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —150,000 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —90,000 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —60,000 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code F | $27K10,247 at $2.63 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —23,146 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —26,043 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —31,646 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —23,146 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —26,043 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon Communicationsoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —31,646 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code M | —23,146 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code F | $24K9,107 at $2.63 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code M | —31,646 | filing |
| 15 May 2026filed 19 May 2026 | RBBN Ribbon CommunicationsIT Services & Consulting | SEC FORM 4 Code F | $33K12,452 at $2.63 | filing |
News
Ribbon Introduces Call Trust Deepfake Detection with Network-Based Voice Protection - Software - Sonus Networks | Ribbon Communications, Inc.RBBN · newswiretoday.com · 21 Oct 2026Ribbon Communications (NASDAQ:RBBN) & Viavi Solutions (NASDAQ:VIAV) Head-To-Head AnalysisRBBN · tickerreport.com · 19 Oct 2026Head-To-Head Comparison: Ribbon Communications (NASDAQ:RBBN) & Nokia (NYSE:NOK)RBBN · themarketsdaily.com · 17 Oct 2026
0 headlines in the last 90 days name Eric S. Marmurek; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.