Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2020-12-08 Sale | 2020-12-10 5:03 pm | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 8,304 | $7.1904 | $59,709 | 33,534 (Direct) | View |
2020-05-15 Sale | 2020-05-19 4:40 pm | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 1,095 | $3.2408 | $3,549 | 38,344 (Direct) | View |
2020-04-15 Sale | 2020-04-17 4:36 pm | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 3,422 | $2.9197 | $9,991 | 63,664 (Direct) | View |
2019-11-15 Sale | 2019-11-19 5:42 pm | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 1,102 | $2.99 | $3,295 | 30,748 (Direct) | View |
2019-05-15 Sale(A) | 2019-11-19 5:41 pm | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 1,109 | $4.85 | $5,379 | 31,850 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2022-04-18 Option Award | 2022-04-20 4:46 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 80,128 | $0 | 80,128 (Direct) | View |
2022-04-15 Exercise | 2022-04-18 6:28 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 6,056 | $3.11 | 116,304 (Direct) | View |
2022-04-15 Tax Withholding | 2022-04-18 6:28 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 1,474 | $3.11 | 116,304 (Direct) | View |
2022-04-15 Exercise | 2022-04-18 6:28 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 6,056 | $0 | 116,304 (Direct) | View |
2022-03-15 Tax Withholding | 2022-03-17 5:12 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 3,663 | $2.99 | 159,102 (Direct) | View |
2022-03-15 Option Award | 2022-03-17 5:12 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 11,301 | $0 | 159,102 (Direct) | View |
2022-03-15 Tax Withholding | 2022-03-17 5:12 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 8,386 | $2.81 | 159,102 (Direct) | View |
2022-03-15 Exercise | 2022-03-17 5:12 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 34,713 | $0 | 159,102 (Direct) | View |
2021-10-15 Tax Withholding | 2021-10-19 4:35 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 1,474 | $6.35 | 83,813 (Direct) | View |
2021-10-15 Exercise | 2021-10-19 4:35 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 6,056 | $0 | 83,813 (Direct) | View |
2021-09-16 Tax Withholding | 2021-09-17 4:08 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 3,757 | $6.28 | 119,471 (Direct) | View |
2021-09-16 Exercise | 2021-09-17 4:08 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 15,432 | $0 | 119,471 (Direct) | View |
2021-04-15 Tax Withholding | 2021-04-16 5:06 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 1,474 | $8.45 | 73,612 (Direct) | View |
2021-04-15 Exercise | 2021-04-16 5:06 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 6,057 | $0 | 73,612 (Direct) | View |
2021-03-15 Tax Withholding | 2021-03-17 7:24 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 7,482 | $8.65 | 168,045 (Direct) | View |
2021-03-15 Option Award | 2021-03-17 7:24 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 49,400 | $0 | 168,045 (Direct) | View |
2021-03-15 Exercise | 2021-03-17 7:24 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 30,865 | $0 | 168,045 (Direct) | View |
2021-02-26 Option Award | 2021-03-02 8:39 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 20,527 | $0 | 22,743 (Direct) | View |
2020-11-16 Tax Withholding | 2020-11-17 8:56 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 1,088 | $4.67 | 41,838 (Direct) | View |
2020-10-15 Tax Withholding | 2020-10-16 7:42 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 1,474 | $3.92 | 61,095 (Direct) | View |
2020-10-15 Exercise | 2020-10-16 7:42 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 6,056 | $0 | 61,095 (Direct) | View |
2020-06-19 Option Award | 2020-06-23 4:54 pm | N/A 2022-12-31 | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 18,307 | $0 | 18,307 (Direct) | View |
2020-04-15 Exercise | 2020-04-17 4:36 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 12,113 | $0 | 63,664 (Direct) | View |
2020-03-16 Option Award | 2020-03-18 4:11 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 92,593 | $0 | 92,593 (Direct) | View |
2020-02-28 Option Award | 2020-03-03 5:17 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S VP | 2,216 | $0 | 2,216 (Direct) | View |
2019-05-15 Tax Withholding | 2019-05-17 4:33 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 1,109 | $4.85 | 68,188 (Direct) | View |
2019-04-15 Option Award | 2019-04-16 4:11 pm | N/A 2021-12-31 | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 36,338 | $0 | 105,635 (Direct) | View |
2019-03-15 Tax Withholding | 2019-03-19 4:49 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 1,834 | $5.22 | 32,959 (Direct) | View |
2019-03-15 Option Award | 2019-03-19 4:49 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 7,823 | $0 | 32,959 (Direct) | View |
2018-11-15 Tax Withholding | 2018-11-19 4:26 pm | N/A N/A | Ribbon Communications Inc. | RBBN | Marmurek Eric S Principal Accounting Officer | 2,178 | $6.12 | 26,970 (Direct) | View |
2017-11-15 Option Award | 2017-11-17 5:05 pm | N/A N/A | Sonus Networks Inc. | SONS | Marmurek Eric S Principal Accounting Officer | 26,833 | $0 | 29,148 (Direct) | View |
2017-10-27 Ownership | 2017-11-06 6:24 pm | N/A N/A | Sonus Networks Inc. | SONS | Marmurek Eric S Principal Accounting Officer | 0 | $0 | 2,315 (Direct) | View |