Form 4 for RBBN Ribbon Communications Inc.
Accepted 2025-04-22 00:00:00 ET · period of report 2025-04-17 · accession 0001062993-25-007788 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-04-22 | 2025-04-17+ | RBBN | Marmurek Eric S | SVP, CAO, Deputy CFO | F - Tax | $3.55 | -14.4K | 354.3K | -4% | -$51.1K |
| DM | 2025-04-22 | 2025-04-17+ | RBBN | Marmurek Eric S | SVP, CAO, Deputy CFO | M - OptEx | — | +36.6K | 363.4K | +11% | — |
| DM | 2025-04-22 | 2025-04-17+ | RBBN | Marmurek Eric S | SVP, CAO, Deputy CFO | M - OptEx | $0.00 | -36.6K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-04-18 | F | D | 5,254 | $3.58 | 362,382 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting. |
| 2 | Common | Common Stock | 2025-04-18 | M | A | 13,354 | — | 367,636 | D | — | — | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. |
| 3 | Common | Common Stock | 2025-04-17 | F | D | 9,142 | $3.53 | 354,282 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting. |
| 4 | Common | Common Stock | 2025-04-17 | M | A | 23,234 | — | 363,424 | D | — | — | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. |
| 5 | Derivative | Restricted Stock Units (RSUs) | 2025-04-17 | M | D | 23,234 | $0.00 | 0 | D | — · — to — | 23,234 Common Stock | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. (F3) The RSUs were originally granted on April 17, 2023 and vested as to one-half on April 17, 2024; the remaining half of the RSUs vested in two equal installments thereafter on October 17, 2024 and April 17, 2025. |
| 6 | Derivative | RSUs | 2025-04-18 | M | D | 13,354 | $0.00 | 0 | D | — · — to — | 13,354 Common Stock | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. (F4) The RSUs were granted on April 18, 2022 and vested as to one-third on April 18, 2023; the remaining two-thirds of the RSUs vested in four equal semi-annual installments thereafter through April 18, 2025. |