Form 4 for RBBN Ribbon Communications Inc.
Accepted 2025-04-22 00:00:00 ET · period of report 2025-04-17 · accession 0001062993-25-007786 · 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 | Bucci Sam | EVP, COO | M - OptEx | — | +52.5K | 413.7K | +15% | — |
| DM | 2025-04-22 | 2025-04-17+ | RBBN | Bucci Sam | EVP, COO | F - Tax | $3.56 | -28.1K | 399.9K | -7% | -$100.0K |
| DM | 2025-04-22 | 2025-04-17+ | RBBN | Bucci Sam | EVP, COO | M - OptEx | $0.00 | -52.5K | 51.6K | -50% | $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 | M | A | 26,709 | — | 426,601 | D | — | — | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. |
| 2 | Common | Common Stock | 2025-04-17 | M | A | 25,815 | — | 413,710 | D | — | — | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. |
| 3 | Common | Common Stock | 2025-04-18 | F | D | 14,297 | $3.58 | 412,304 | 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 | F | D | 13,818 | $3.53 | 399,892 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting. |
| 5 | Derivative | RSUs | 2025-04-18 | M | D | 26,709 | $0.00 | 0 | D | — · — to — | 26,709 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 will vested in four equal semi-annual installments thereafter through April 18, 2025. |
| 6 | Derivative | Restricted Stock Units (RSUs) | 2025-04-17 | M | D | 25,815 | $0.00 | 51,631 | D | — · — to — | 25,815 Common Stock | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. (F3) The RSUs were granted on April 17, 2023 and originally vested as to one-third on April 17, 2024; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through April 17, 2026. |