F
$ Value
$37K
Shares
14,756
Price
$2
Filed
Apr 17
Insider
Name
Marmurek Eric S
Title
SVP, Deputy CFO and CAO
CIK
0001720721
Roles
Officer
Transaction Details
Transaction Date
2026-04-15
Code
F
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
449,807
Footnotes
Eash RSU represents a contingent right to receive one share of the Registrant's common stock. | Reflects shares of common stock withheld by the Registrant to satisfy tax withholding obligations in connection with the vesting. | The RSUs were issued on October 15, 2024. The remaining RSUs vest on October 15, 2026.
Filing Info
Marmurek Eric S's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-15 | RBBN | M | — |
| 2026-04-15 | RBBN | F | $37K |
| 2026-04-15 | RBBN | M | $0 |
| 2025-12-15 | RBBN | A | $0 |
| 2025-10-15 | RBBN | M | — |
| 2025-10-15 | RBBN | F | $112K |
| 2025-10-15 | RBBN | M | $0 |
| 2025-05-16 | RBBN | M | — |
| 2025-05-16 | RBBN | F | $45K |
| 2025-05-16 | RBBN | M | $0 |
Other Insiders at RBBN (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
McClelland Bruce William
President & CEO
|
$74K | — | 2026-02-13 |
| SHANI SHAUL | — | — | 2026-04-15 |
| GRAYSON BRUNS H | — | — | 2026-04-15 |
|
Marmurek Eric S
SVP, Deputy CFO and CAO
|
— | — | 2026-04-15 |
|
Townsend John Raymond
EVP, Chief Financial Officer
|
— | — | 2026-04-15 |