The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Marmurek Eric S since 2019.
This trader's CIK number is 1720721.
At the time of last reporting, Marmurek Eric S was the SVP, CAO & Deputy CFO of Ribbon Communications Inc.. (stock ticker symbol RBBN).
Also see all insider trading activities at Ribbon Communications Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | RBBN | 0 | $0 | 0 | $0 | 116,786 | $0 |
| 2024 | RBBN | 0 | $0 | 0 | $0 | 117,109 | $0 |
| 2023 | RBBN | 0 | $0 | 0 | $0 | 141,710 | $0 |
| 2022 | RBBN | 0 | $0 | 0 | $0 | 79,867 | $0 |
| 2021 | RBBN | 0 | $0 | 0 | $0 | 58,410 | $0 |
| 2020 | RBBN | 0 | $0 | 12,821 | $73,245 | 18,169 | $0 |
| 2019 | RBBN | 0 | $0 | 1,102 | $3,294 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-16 | RBBN | Option Ex | 31,645 | .00 | 0 |
| 2025-04-17 | RBBN | Option Ex | 23,234 | .00 | 0 |
| 2025-04-18 | RBBN | Option Ex | 13,354 | .00 | 0 |
| 2025-03-15 | RBBN | Option Ex | 48,553 | .00 | 0 |
| 2024-10-17 | RBBN | Option Ex | 23,234 | .00 | 0 |
| 2024-10-18 | RBBN | Option Ex | 13,355 | .00 | 0 |
| 2024-04-17 | RBBN | Option Ex | 46,469 | .00 | 0 |
| 2024-04-18 | RBBN | Option Ex | 13,354 | .00 | 0 |
| 2024-03-15 | RBBN | Option Ex | 5,697 | .00 | 0 |
| 2024-01-18 | RBBN | Option Ex | 15,000 | .00 | 0 |
| 2023-10-18 | RBBN | Option Ex | 13,355 | .00 | 0 |
| 2023-09-15 | RBBN | Option Ex | 4,117 | .00 | 0 |
| 2023-06-16 | RBBN | Option Ex | 48,231 | .00 | 0 |
| 2023-04-18 | RBBN | Option Ex | 26,710 | .00 | 0 |
| 2023-03-15 | RBBN | Option Ex | 33,865 | .00 | 0 |
| 2023-03-16 | RBBN | Option Ex | 15,432 | .00 | 0 |
| 2022-09-15 | RBBN | Option Ex | 4,117 | .00 | 0 |
| 2022-09-16 | RBBN | Option Ex | 15,432 | .00 | 0 |
| 2022-09-15 | RBBN | Option Ex | 4,117 | .00 | 0 |
| 2022-09-16 | RBBN | Option Ex | 15,432 | .00 | 0 |
| 2022-04-15 | RBBN | Option Ex | 6,056 | .00 | 0 |
| 2022-03-16 | RBBN | Option Ex | 15,432 | .00 | 0 |
| 2022-03-15 | RBBN | Option Ex | 19,281 | .00 | 0 |
| 2021-10-15 | RBBN | Option Ex | 6,056 | .00 | 0 |
| 2021-09-16 | RBBN | Option Ex | 15,432 | .00 | 0 |
| 2021-04-15 | RBBN | Option Ex | 6,057 | .00 | 0 |
| 2021-03-16 | RBBN | Option Ex | 30,865 | .00 | 0 |
| 2020-12-08 | RBBN | Sale | 8,304 | 7.19 | 59,705 |
| 2020-10-15 | RBBN | Option Ex | 6,056 | .00 | 0 |
| 2020-05-15 | RBBN | Sale | 1,095 | 3.24 | 3,548 |
| 2020-04-15 | RBBN | Option Ex | 12,113 | .00 | 0 |
| 2020-04-15 | RBBN | Sale | 3,422 | 2.92 | 9,992 |
| 2019-11-15 | RBBN | Sale | 1,102 | 2.99 | 3,294 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Marmurek Eric S (SVP, CAO & Deputy CFO of Ribbon Communications Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.