Form 4 for RBBN Ribbon Communications Inc.
Accepted 2025-10-17 00:00:00 ET · period of report 2025-10-17 · accession 0001708055-25-000028 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-10-17 | 2025-10-17 | RBBN | McClelland Bruce William | Pres, CEO, Dir | M - OptEx | — | +34.4K | 1.49M | +2% | — |
| D | 2025-10-17 | 2025-10-17 | RBBN | McClelland Bruce William | Pres, CEO, Dir | F - Tax | $3.81 | -13.5K | 1.48M | -0.9% | -$51.6K |
| D | 2025-10-17 | 2025-10-17 | RBBN | McClelland Bruce William | Pres, CEO, Dir | M - OptEx | $0.00 | -34.4K | 34.4K | -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 | 2025-10-17 | M | A | 34,421 | — | 1,492,708 | D | — | — | (F1) Each Restricted Stock Unit (RSU) converts into common stock on a one-for-one basis. |
| 2 | Common | Common Stock | 2025-10-17 | F | D | 13,544 | $3.81 | 1,479,164 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting. |
| 3 | Derivative | Restricted Stock Units (RSUs) | 2025-10-17 | M | D | 34,421 | $0.00 | 34,420 | D | — · — to — | 34,421 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 vested as to one-third on April 17, 2024; the remaining two-thirds of the RSUs vest in four equal semi-annual installments thereafter through April 17, 2026. |