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Marmurek Eric S
EVPChief Financial OfficerCIK 0001720721
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 5
- Buy transactions
- 0
- Sell transactions
- 0
- Companies
- 1
- Active
- 2025–2026
Marmurek Eric S, EVP, Chief Financial Officer, has filed 5 reports across 1 company, totaling $311.8K in disclosed volume. Purchases and sales are approximately balanced. All data sourced from SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
5 loaded
| Jun 17 | RBBN Ribbon Communications Inc. | Marmurek Eric S | EVP, Chief Financial Officer | Other | $0 |
| May 19 | RBBN Ribbon Communications Inc. | Marmurek Eric S | EVP, Chief Financial Officer | Other | $0 |
| Apr 17 | RBBN Ribbon Communications Inc. | Marmurek Eric S | SVP, Deputy CFO and CAO | Other | $0 |
| Dec 16 | RBBN Ribbon Communications Inc. | Marmurek Eric S | SVP, Deputy CFO and CAO | Other | $0 |
| Oct 17 | RBBN Ribbon Communications Inc. | Marmurek Eric S | SVP, Deputy CFO and CAO | Other | $0 |
5 filings