XNAS 16 Jan, 2026 4:30 PM (EST)
| Ex-date | Purpose | Notes |
|---|---|---|
| 29 Apr 2026 | Ribbon Communications Inc First Quarter Earnings Results for 2026 | - |
| 29 Apr 2026 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2026 | - |
| 27 Feb 2026 | Ribbon Communications Inc Annual Report for 2025 | - |
| 12 Feb 2026 | Ribbon Communications Inc Fourth Quarter Earnings Results for 2025 | - |
| 12 Feb 2026 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2025 | - |
| 23 Oct 2025 | Ribbon Communications Inc Third Quarter Earnings Results for 2025 | - |
| 23 Oct 2025 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2025 | - |
| 22 Oct 2025 | Ribbon Communications Inc Third Quarter Earnings Result for 2025 | - |
| 22 Oct 2025 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2025 | - |
| 24 Jul 2025 | Ribbon Communications Inc Second Quarter Earnings Results for 2025 | - |
| 24 Jul 2025 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2025 | - |
| 23 Jul 2025 | Ribbon Communications Inc Second Quarter Earnings Result for 2025 | - |
| 23 Jul 2025 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2025 | - |
| 04 Jun 2025 | Ribbon Communications Inc Annual General Meeting for 2025 | - |
| 28 May 2025 | Ribbon Communications Inc Annual General Meeting for 2025 | - |
| 21 May 2025 | B. Riley Securities 25th Annual Institutional Investor Conference | - |
| 29 Apr 2025 | Ribbon Communications Inc First Quarter Earnings Result for 2025 | - |
| 29 Apr 2025 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2025 | - |
| 24 Apr 2025 | Ribbon Communications Inc First Quarter Earnings Results for 2025 | - |
| 24 Apr 2025 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2025 | - |
| 30 Mar 2025 | Optical Fiber Communication Conference and Exhibition | - |
| 17 Mar 2025 | Enterprise Connect | - |
| 03 Mar 2025 | Mobile World Congress | - |
| 28 Feb 2025 | Ribbon Communications Inc Annual Report for 2024 | - |
| 27 Feb 2025 | Ribbon Communications Inc Annual Report for 2024 | - |
| 14 Feb 2025 | Ribbon Communications Inc Fourth Quarter Earnings Results for 2024 | - |
| 14 Feb 2025 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2024 | - |
| 12 Feb 2025 | Ribbon Communications Inc Fourth Quarter Earnings Result for 2024 | - |
| 12 Feb 2025 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2024 | - |
| 25 Oct 2024 | Ribbon Communications Inc Third Quarter Earnings Results for 2024 | - |
| 25 Oct 2024 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2024 | - |
| 23 Oct 2024 | Ribbon Communications Inc Third Quarter Earnings Result for 2024 | - |
| 23 Oct 2024 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2024 | - |
| 16 Aug 2024 | Ribbon Communications Inc Annual General Meeting for 2024 | - |
| 09 Aug 2024 | Ribbon Communications Inc Annual General Meeting for 2024 | - |
| 02 Aug 2024 | Ribbon Communications Inc Annual General Meeting for 2024 | - |
| 26 Jul 2024 | Ribbon Communications Inc Second Quarter Earnings Results for 2024 | - |
| 26 Jul 2024 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2024 | - |
| 24 Jul 2024 | Ribbon Communications Inc Second Quarter Earnings Result for 2024 | - |
| 24 Jul 2024 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2024 | - |
| 04 Jun 2024 | Ribbon Communications Inc Annual General Meeting for 2024 | - |
| 26 Apr 2024 | Ribbon Communications Inc First Quarter Earnings Results for 2024 | - |
| 26 Apr 2024 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2024 | - |
| 24 Apr 2024 | Ribbon Communications Inc First Quarter Earnings Result for 2024 | - |
| 24 Apr 2024 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2024 | - |
| 29 Mar 2024 | Ribbon Communications Inc Annual Report for 2023 | - |
| 28 Feb 2024 | Ribbon Communications Inc Annual Report for 2023 | - |
| 15 Feb 2024 | Ribbon Communications Inc Fourth Quarter Earnings Results for 2023 | - |
| 15 Feb 2024 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2023 | - |
| 14 Feb 2024 | Ribbon Communications Inc Fourth Quarter Earnings Result for 2023 | - |
| 14 Feb 2024 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2023 | - |
| 26 Oct 2023 | Ribbon Communications Inc Third Quarter Earnings Results for 2023 | - |
| 26 Oct 2023 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2023 | - |
| 25 Oct 2023 | Ribbon Communications Inc Third Quarter Earnings Result for 2023 | - |
| 25 Oct 2023 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2023 | - |
| 03 Aug 2023 | Ribbon Communications Inc Annual General Meeting for 2023 | - |
| 26 Jul 2023 | Ribbon Communications Inc Second Quarter Earnings Result for 2023 | - |
| 26 Jul 2023 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2023 | - |
| 26 Apr 2023 | Ribbon Communications Inc First Quarter Earnings Result for 2023 | - |
| 26 Apr 2023 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2023 | - |
| 31 Mar 2023 | Ribbon Communications Inc Annual Report for 2022 | - |
| 15 Feb 2023 | Ribbon Communications Inc Fourth Quarter Earnings Result for 2022 | - |
| 15 Feb 2023 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2022 | - |
| 26 Oct 2022 | Ribbon Communications Inc Third Quarter Earnings Result for 2022 | - |
| 26 Oct 2022 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2022 | - |
| 27 Jul 2022 | Ribbon Communications Inc Second Quarter Earnings Result for 2022 | - |
| 27 Jul 2022 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2022 | - |
| 25 May 2022 | Ribbon Communications Inc Annual General Meeting for 2022 | - |
| 27 Apr 2022 | Ribbon Communications Inc First Quarter Earnings Result for 2022 | - |
| 27 Apr 2022 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2022 | - |
| 11 Mar 2022 | Ribbon Communications Inc Annual Report for 2021 | - |
| 16 Feb 2022 | Ribbon Communications Inc Fourth Quarter Earnings Result for 2021 | - |
| 16 Feb 2022 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2021 | - |
| 27 Oct 2021 | Ribbon Communications Inc Third Quarter Earnings Result for 2021 | - |
| 27 Oct 2021 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2021 | - |
| 28 Jul 2021 | Ribbon Communications Inc Second Quarter Earnings Result for 2021 | - |
| 28 Jul 2021 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2021 | - |
| 27 May 2021 | Ribbon Communications Inc Annual General Meeting for 2020 | - |
| 28 Apr 2021 | Ribbon Communications Inc First Quarter Earnings Result for 2021 | - |
| 28 Apr 2021 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2021 | - |
| 26 Feb 2021 | Ribbon Communications Inc Annual Report for 2020 | - |
| 17 Feb 2021 | Ribbon Communications Inc Fourth Quarter Earnings Result for 2020 | - |
| 17 Feb 2021 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2020 | - |
| 29 Oct 2020 | Ribbon Communications Inc Third Quarter Earnings Result for 2020 | - |
| 29 Oct 2020 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2020 | - |
| 05 Aug 2020 | Ribbon Communications Inc Second Quarter Earnings Result for 2020 | - |
| 05 Aug 2020 | Ribbon Communications Inc Second Quarter Earnings Conference Call for 2020 | - |
| 02 Jun 2020 | Ribbon Communications Inc Annual General Meeting for 2019 | - |
| 06 May 2020 | Ribbon Communications Inc First Quarter Earnings Result for 2020 | - |
| 06 May 2020 | Ribbon Communications Inc First Quarter Earnings Conference Call for 2020 | - |
| 28 Feb 2020 | Ribbon Communications Inc Annual Report for 2019 | - |
| 19 Feb 2020 | Ribbon Communications Inc Fourth quarter earnings in 2019 Release | - |
| 19 Feb 2020 | Ribbon Communications Inc Fourth Quarter Earnings Conference Call for 2019 | - |
| 30 Oct 2019 | Ribbon Communications Inc Third quarter earnings in 2019 Release | - |
| 30 Oct 2019 | Ribbon Communications Inc Third Quarter Earnings Conference Call for 2019 | - |
| 31 Jul 2019 | Ribbon Communications Inc Second quarter earnings in 2019 Release | - |
| 31 Jul 2019 | Ribbon Communications Inc Second quarter earnings Conference Call in 2019 | - |
| 05 Jun 2019 | Ribbon Communications Inc Annual General Meeting in 2018 | - |
| 02 May 2019 | Ribbon Communications Inc First quarter earnings Conference Call in 2019 | - |
| 01 May 2019 | Ribbon Communications Inc First quarter earnings in 2019 Release | - |