Form 4 for RBBN Ribbon Communications Inc.
Accepted 2026-05-19 08:12:58 ET · period of report 2026-04-17 · accession 0001708055-26-000036 · 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 | 2026-05-19 08:12 | 2026-04-17+ | RBBN | Macken Patrick W | EVP, CLO | M - OptEx | — | +251.1K | 506.1K | +98% | — |
| DM | 2026-05-19 08:12 | 2026-04-17+ | RBBN | Macken Patrick W | EVP, CLO | F - Tax | $2.67 | -112.7K | 482.1K | -19% | -$300.6K |
| DM | 2026-05-19 08:12 | 2026-04-17+ | RBBN | Macken Patrick W | EVP, CLO | M - OptEx | $0.00 | -251.1K | 108.3K | -70% | $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 | 2026-04-17 | M | A | 20,652 | — | 364,198 | D | — | — | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. |
| 2 | Common | Common Stock | 2026-04-17 | F | D | 9,252 | $2.71 | 354,946 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards. |
| 3 | Common | Common Stock | 2026-04-17 | M | A | 34,202 | — | 389,148 | D | — | — | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. |
| 4 | Common | Common Stock | 2026-04-17 | F | D | 15,322 | $2.71 | 373,826 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards. |
| 5 | Common | Common Stock | 2026-04-17 | M | A | 64,438 | — | 438,264 | D | — | — | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. |
| 6 | Common | Common Stock | 2026-04-17 | F | D | 28,868 | $2.71 | 409,396 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards. |
| 7 | Common | Common Stock | 2026-05-15 | M | A | 32,790 | — | 442,186 | D | — | — | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. |
| 8 | Common | Common Stock | 2026-05-15 | F | D | 14,688 | $2.63 | 427,498 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards. |
| 9 | Common | Common Stock | 2026-05-15 | M | A | 44,831 | — | 472,329 | D | — | — | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. |
| 10 | Common | Common Stock | 2026-05-15 | F | D | 20,284 | $2.63 | 452,245 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards. |
| 11 | Common | Common Stock | 2026-05-15 | M | A | 54,168 | — | 506,143 | D | — | — | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. |
| 12 | Common | Common Stock | 2026-05-15 | F | D | 24,267 | $2.63 | 482,146 | D | — | — | (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards. |
| 13 | Derivative | Restricted Share Units (RSUs) | 2026-04-17 | M | D | 20,652 | $0.00 | 0 | D | — · — to — | 20,652 Common Stock | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. (F3) The RSUs were granted on April 17, 2023 and are fully vested. (F3) The RSUs were granted on April 17, 2023 and are fully vested. (F3) The RSUs were granted on April 17, 2023 and are fully vested. |
| 14 | Derivative | Performance Share Units (PSUs) | 2026-04-17 | M | D | 34,202 | $0.00 | 0 | D | — · — to — | 34,202 Common Stock | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. (F4) The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") on an annual basis) for each of the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 32%, 70% and 36% of the shares subject to the 2023, 2024 and 2025 financial periods, respectively, were earned and vested on April 17, 2026. (F4) The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") on an annual basis) for each of the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 32%, 70% and 36% of the shares subject to the 2023, 2024 and 2025 financial periods, respectively, were earned and vested on April 17, 2026. (F4) The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") on an annual basis) for each of the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 32%, 70% and 36% of the shares subject to the 2023, 2024 and 2025 financial periods, respectively, were earned and vested on April 17, 2026. |
| 15 | Derivative | PSUs | 2026-04-17 | M | D | 64,438 | $0.00 | 0 | D | — · — to — | 64,438 Common Stock | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. (F5) The number of PSUs earned and issued upon vesting was determined based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies (set by the Compensation Committee at the time of grant) over the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of the pre-established TSR goal, 130% of the shares subject to the PSU award were earned and vested on April 17, 2026. (F5) The number of PSUs earned and issued upon vesting was determined based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies (set by the Compensation Committee at the time of grant) over the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of the pre-established TSR goal, 130% of the shares subject to the PSU award were earned and vested on April 17, 2026. (F5) The number of PSUs earned and issued upon vesting was determined based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies (set by the Compensation Committee at the time of grant) over the three fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of the pre-established TSR goal, 130% of the shares subject to the PSU award were earned and vested on April 17, 2026. |
| 16 | Derivative | PSUs | 2026-05-15 | M | D | 32,790 | $0.00 | 0 | D | — · — to — | 32,790 Common Stock | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. (F6) The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee on an annual basis) for each of the two fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 70% and 36% of the shares subject to the 2024 and 2025 financial periods, respectively, were earned and vested on May 15, 2026. (F6) The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee on an annual basis) for each of the two fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 70% and 36% of the shares subject to the 2024 and 2025 financial periods, respectively, were earned and vested on May 15, 2026. (F6) The number of PSUs earned and issued upon vesting was determined based on goals (set by the Compensation Committee on an annual basis) for each of the two fiscal years ended December 31, 2025. Based on the Compensation Committee's determination of achievement of these pre-established financial goals, 70% and 36% of the shares subject to the 2024 and 2025 financial periods, respectively, were earned and vested on May 15, 2026. |
| 17 | Derivative | RSUs | 2026-05-15 | M | D | 44,831 | $0.00 | 44,831 | D | — · — to — | 44,831 Common Stock | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. (F7) The RSUs were granted on May 15, 2025 and vested as to one-half on May 15, 2026; the remaining one-half of the RSUs will vest in two equal semi-annual installments thereafter through May 15, 2027. (F7) The RSUs were granted on May 15, 2025 and vested as to one-half on May 15, 2026; the remaining one-half of the RSUs will vest in two equal semi-annual installments thereafter through May 15, 2027. (F7) The RSUs were granted on May 15, 2025 and vested as to one-half on May 15, 2026; the remaining one-half of the RSUs will vest in two equal semi-annual installments thereafter through May 15, 2027. |
| 18 | Derivative | RSUs | 2026-05-15 | M | D | 54,168 | $0.00 | 108,332 | D | — · — to — | 54,168 Common Stock | (F1) Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis. (F8) The RSUs were granted on May 15, 2025 and vested as to one-third on May 15, 2026; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through May 15, 2028. (F8) The RSUs were granted on May 15, 2025 and vested as to one-third on May 15, 2026; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through May 15, 2028. (F8) The RSUs were granted on May 15, 2025 and vested as to one-third on May 15, 2026; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through May 15, 2028. |