8-K Announcements
6Apr 28, 2026·SEC
Apr 15, 2026·SEC
Feb 5, 2026·SEC
Ribbon Communications Inc. (RBBN) fundamental analysis — strengths, weaknesses & financial health based on data analysis
* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.
Ribbon Communications Inc. (RBBN) stock price & volume — 10-year historical chart
Ribbon Communications Inc. (RBBN) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR
Ribbon Communications Inc. (RBBN) EPS & revenue vs analyst estimates — last 4 quarters
| Quarter | Date | EPS (Act vs Est) | Revenue (Act vs Est) |
|---|---|---|---|
| Q2 2026Latest | Apr 28, 2026 | $0.05vs $0.06+16.7% | $163Mvs $163M-0.5% |
| Q1 2026 | Feb 5, 2026 | $0.59vs $0.11+436.4% | $227Mvs $241M-5.8% |
| Q4 2025 | Oct 22, 2025 | $0.04vs $0.06-33.3% | $215Mvs $241M-10.8% |
| Q3 2025 | Jul 23, 2025 | $0.05vs $0.05+0.0% | $221Mvs $226M-2.4% |
Ribbon Communications Inc. (RBBN) competitors in Cloud Voice and UCaaS Providers — business model, growth, and fundamentals comparison
Ribbon Communications Inc. (RBBN) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.
Ribbon Communications Inc. (RBBN) annual income statement — 10-year revenue, gross profit & net income history
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | 329.94M | 577.9M | 563.11M | 843.79M | 844.96M | 819.76M | 826.34M | 833.88M | 844.56M | 825.88M |
| Revenue Growth % | 30.62% | 75.15% | -2.56% | 49.85% | 0.14% | -2.98% | 0.8% | 0.91% | 1.28% | -1.15% |
| Cost of Revenue | 128.45M | 269.57M | 246.03M | 392.98M | 400.3M | 418.82M | 446.86M | 394.37M | 447.7M | 423.64M |
| Gross Profit | 201.5M▲ 0% | 308.33M▲ 53.0% | 317.08M▲ 2.8% | 450.82M▲ 42.2% | 444.66M▼ 1.4% | 400.94M▼ 9.8% | 379.48M▼ 5.4% | 439.51M▲ 15.8% | 396.86M▼ 9.7% | 402.24M▲ 0% |
| Gross Margin % | 61.07% | 53.35% | 56.31% | 53.43% | 52.63% | 48.91% | 45.92% | 52.71% | 46.99% | 48.7% |
| Gross Profit Growth % | 20.22% | 53.02% | 2.84% | 42.18% | -1.37% | -9.83% | -5.35% | 15.82% | -9.71% | - |
| Operating Expenses | 232.53M | 339.77M | 506.54M | 449.15M | 562.46M | 449.26M | 383.08M | 422.64M | 376.19M | 400.49M |
| Other Operating Expenses | - | - | - | - | - | - | - | - | - | - |
| EBITDA | -29.63M | -4.49M | -128.29M | 79.77M | -34.21M | 28.16M | 67.4M | 81.27M | 81.59M | 39.97M |
| EBITDA Margin % | -8.98% | -0.78% | -22.78% | 9.45% | -4.05% | 3.44% | 8.16% | 9.75% | 9.66% | 4.84% |
| EBITDA Growth % | -1692.21% | 84.86% | -2760.33% | 162.18% | -142.88% | 182.32% | 139.34% | 20.59% | 0.39% | -41.99% |
| Depreciation & Amortization | 25.6M | 60.92M | 61.17M | 78.1M | 83.59M | 76.48M | 71M | 64.4M | 60.92M | 45.91M |
| D&A / Revenue % | 7.76% | 10.54% | 10.86% | 9.26% | 9.89% | 9.33% | 8.59% | 7.72% | 7.21% | 5.56% |
| Operating Income (EBIT) | -55.23M▲ 0% | -65.41M▼ 18.4% | -189.46M▼ 189.7% | 1.67M▲ 100.9% | -117.8M▼ 7157.9% | -48.32M▲ 59.0% | -3.6M▲ 92.6% | 16.87M▲ 568.7% | 20.67M▲ 22.5% | -5.94M▲ 0% |
| Operating Margin % | -16.74% | -11.32% | -33.65% | 0.2% | -13.94% | -5.89% | -0.44% | 2.02% | 2.45% | -0.72% |
| Operating Income Growth % | -305.83% | -18.43% | -189.66% | 100.88% | -7157.88% | 58.98% | 92.55% | 568.67% | 22.52% | - |
| Interest Expense | 700K | 4.5M | 4.5M | 23.24M | 22.82M | 16.88M | 27.66M | 34.15M | 44.01M | 2M |
| Interest Coverage | -44.33x | -15.37x | -26.45x | 4.92x | -8.43x | -5.50x | -1.00x | 0.79x | -0.02x | - |
| Interest / Revenue % | 0.21% | 0.78% | 0.8% | 2.75% | 2.7% | 2.06% | 3.35% | 4.1% | 5.21% | 0.24% |
| Non-Operating Income | 1000K | -1000K | 1000K | 1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -4M |
| Pretax Income | -53.69M▲ 0% | -73.41M▼ 36.7% | -122.89M▼ 67.4% | 93.32M▲ 175.9% | -208.14M▼ 323.0% | -112.6M▲ 45.9% | -55.37M▲ 50.8% | -46.07M▲ 16.8% | -45.11M▲ 2.1% | -59.06M▲ 0% |
| Pretax Margin % | -16.27% | -12.7% | -21.82% | 11.06% | -24.63% | -13.74% | -6.7% | -5.52% | -5.34% | -7.15% |
| Income Tax | -18.44M | 3.4M | 7.18M | 4.73M | -30.96M | -14.52M | 10.83M | 8.17M | -84.75M | -77.54M |
| Effective Tax Rate % | 34.34% | -4.63% | -5.84% | 5.06% | 14.87% | 12.89% | -19.56% | -17.73% | 187.87% | 131.28% |
| Net Income | -35.25M▲ 0% | -76.81M▼ 117.9% | -130.07M▼ 69.3% | 88.59M▲ 168.1% | -177.19M▼ 300.0% | -98.08M▲ 44.6% | -66.21M▲ 32.5% | -54.23M▲ 18.1% | 39.64M▲ 173.1% | 31.37M▲ 0% |
| Net Margin % | -10.68% | -13.29% | -23.1% | 10.5% | -20.97% | -11.96% | -8.01% | -6.5% | 4.69% | 3.8% |
| Net Income Growth % | -153.03% | -117.89% | -69.35% | 168.11% | -300% | 44.64% | 32.5% | 18.08% | 173.08% | 162.62% |
| EPS (Diluted) | -0.60▲ 0% | -0.74▼ 23.3% | -1.19▼ 60.8% | 0.61▲ 151.3% | -1.20▼ 296.7% | -0.63▲ 47.5% | -0.39▲ 38.1% | -0.31▲ 20.5% | 0.22▲ 171.0% | 0.18▲ 0% |
| EPS Growth % | -114.29% | -23.33% | -60.81% | 151.26% | -296.72% | 47.5% | 38.1% | 20.51% | 170.97% | 158.52% |
| EPS (Basic) | -0.60 | -0.74 | -1.19 | 0.64 | -1.20 | -0.63 | -0.39 | -0.31 | 0.22 | - |
| Diluted Shares Outstanding | 58.82M | 103.92M | 109.73M | 144.65M | 147.57M | 156.67M | 170.41M | 174.04M | 179.82M | 175.66M |
Ribbon Communications Inc. (RBBN) balance sheet — assets, liabilities & shareholders' equity
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Total Assets | 910.88M | 957.16M | 814.91M | 1.55B | 1.35B | 1.26B | 1.14B | 1.16B | 1.21B | 1.13B |
| Asset Growth % | 195.68% | 5.08% | -14.86% | 89.87% | -12.9% | -6.84% | -8.87% | 1.61% | 4.28% | 6.4% |
| PP&E (Net) | 24.78M | 27.04M | 65.63M | 118.64M | 100.83M | 89.72M | 81.6M | 94.91M | 111.8M | 108.09M |
| PP&E / Total Assets % | 2.72% | 2.83% | 8.05% | 7.67% | 7.48% | 7.15% | 7.13% | 8.16% | 9.22% | 9.54% |
| Total Current Assets | 282.22M | 278.44M | 279.3M | 447.65M | 480.99M | 477.99M | 418.72M | 463.66M | 454.49M | 408.5M |
| Cash & Equivalents | 57.07M | 43.69M | 44.64M | 128.43M | 103.92M | 67.1M | 26.63M | 87.77M | 96.41M | 67.55M |
| Receivables | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K |
| Inventory | 21.3M | 22.6M | 14.8M | 45.75M | 54.04M | 75.42M | 77.52M | 79.18M | 78.81M | 81.46M |
| Other Current Assets | 21.46M | 17M | 27.15M | 35.73M | 40.12M | 68.22M | 46.15M | 41.99M | 47.39M | 55.42M |
| Long-Term Investments | 9.03M | 0 | 0 | 115.18M | 43.93M | 12.22M | 238.09M | 0 | 0 | 0 |
| Goodwill | 335.72M | 383.65M | 224.9M | 416.89M | 300.89M | 300.89M | 300.89M | 300.89M | 300.89M | 300.89M |
| Intangible Assets | 244.41M | 251.39M | 213.37M | 417.36M | 350.73M | 294.73M | 238.09M | 187.54M | 143.34M | 134.23M |
| Other Assets | 6.29M | 7.48M | 26.76M | 20.89M | 23.07M | 26.37M | -203M | 26.57M | 27.42M | 0 |
| Total Liabilities | 295.46M | 366.86M | 331.65M | 860.41M | 820.57M | 737.14M | 691.39M | 757.93M | 763.26M | 740.6M |
| Total Debt | 42.5M | 79.1M | 101.42M | 474.2M | 442.87M | 387.93M | 287.03M | 383.67M | 405.13M | 77.39M |
| Net Debt | -14.57M | 35.41M | 56.77M | 345.77M | 338.96M | 320.83M | 260.4M | 295.9M | 308.73M | 9.84M |
| Long-Term Debt | 22.5M | 24.1M | 45.99M | 369.04M | 350.22M | 306.27M | 197.48M | 330.73M | 324.52M | 57.04M |
| Short-Term Borrowings | 20M | 55M | 10.5M | 15.53M | 20.06M | 20.06M | 35.1M | 6.13M | 8.75M | 20.35M |
| Capital Lease Obligations | 0 | 0 | 44.92M | 89.64M | 72.6M | 61.6M | 54.45M | 46.82M | 71.86M | 218.16M |
| Total Current Liabilities | 242.8M | 289.65M | 206.74M | 327.63M | 344.45M | 330.49M | 341.07M | 328.87M | 315.47M | 298.83M |
| Accounts Payable | 45.85M | 45.3M | 31.41M | 63.39M | 97.12M | 95.81M | 85.16M | 87.76M | 79.84M | 77.29M |
| Accrued Expenses | 37.78M | 42.85M | 29.53M | 68.83M | 62.71M | 25.99M | 33.68M | 44.95M | 0 | 64.11M |
| Deferred Revenue | 100.57M | 105.09M | 100.41M | 96.82M | 109.12M | 113.94M | 113.38M | 119.3M | 124.42M | 122.62M |
| Other Current Liabilities | 38.6M | 41.41M | 27.17M | 66.04M | 38.04M | 59.28M | 49.62M | 54.94M | 90.76M | 78.57M |
| Deferred Taxes | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 23.34M |
| Other Liabilities | 13.19M | 30.8M | 16.59M | 48.28M | 41.97M | 31.19M | 89.29M | 34.03M | 25.72M | 379M |
| Total Equity | 615.42M▲ 0% | 590.3M▼ 4.1% | 483.25M▼ 18.1% | 686.85M▲ 42.1% | 527.17M▼ 23.2% | 518.43M▼ 1.7% | 452.76M▼ 12.7% | 404.62M▼ 10.6% | 448.99M▲ 11.0% | 419.1M▲ 0% |
| Equity Growth % | 180.86% | -4.08% | -18.13% | 42.13% | -23.25% | -1.66% | -12.67% | -10.63% | 10.97% | 3.22% |
| Shareholders Equity | 615.42M | 590.3M | 483.25M | 686.85M | 527.17M | 518.43M | 452.76M | 404.62M | 448.99M | 419.1M |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Common Stock | 10K | 11K | 11K | 15K | 15K | 17K | 17K | 18K | 18K | 18K |
| Additional Paid-in Capital | 1.68B | 1.72B | 1.75B | 1.87B | 1.88B | 1.94B | 1.96B | 1.97B | 1.98B | 0 |
| Retained Earnings | -1.07B | -1.14B | -1.27B | -1.18B | -1.36B | -1.45B | -1.52B | -1.57B | -1.53B | -1.57B |
| Accumulated OCI | 3.07M | 3.7M | 2.53M | -4.94M | 7.58M | 30.59M | 13.79M | 8.08M | 6.57M | 6.13M |
| Return on Assets (ROA) | -5.78% | -8.22% | -14.68% | 7.5% | -12.24% | -7.54% | -5.52% | -4.7% | 3.34% | 2.73% |
| Return on Equity (ROE) | -8.45% | -12.74% | -24.23% | 15.14% | -29.19% | -18.76% | -13.63% | -12.65% | 9.29% | 7.85% |
| Debt / Equity | 0.07x | 0.13x | 0.21x | 0.69x | 0.84x | 0.75x | 0.63x | 0.95x | 0.90x | 0.90x |
| Debt / Assets | 4.67% | 8.26% | 12.45% | 30.65% | 32.86% | 30.9% | 25.09% | 33% | 33.42% | 6.83% |
| Net Debt / EBITDA | - | - | - | 4.33x | - | 11.39x | 3.86x | 3.64x | 3.78x | 3.78x |
| Book Value per Share | 10.46 | 5.68 | 4.4 | 4.75 | 3.57 | 3.31 | 2.66 | 2.32 | 2.5 | 2.39 |
Ribbon Communications Inc. (RBBN) cash flow — operating, investing & free cash flow history
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Cash from Operations | 8.08M | -9.6M | 55.69M | 101.56M | 19.18M | -26.36M | 17.09M | 50.24M | 51.4M | 51.4M |
| Operating CF Growth % | -57.9% | -218.75% | 680.35% | 82.39% | -81.11% | -237.44% | 164.81% | 194.02% | 2.3% | -204.64% |
| Operating CF / Revenue % | 2.45% | -1.66% | 9.89% | 12.04% | 2.27% | -3.22% | 2.07% | 6.02% | 6.09% | 6.22% |
| Net Income | -35.25M | -76.81M | -130.07M | 88.59M | -177.19M | -98.08M | -66.21M | -54.23M | 39.64M | 31.37M |
| Depreciation & Amortization | 25.6M | 60.92M | 61.17M | 78.1M | 83.59M | 76.48M | 71M | 64.4M | 60.92M | 61.29M |
| Deferred Taxes | -20.36M | 513K | 5.3M | -4.62M | -45.6M | -18.25M | -9.2M | -16.89M | -85.6M | -2.95M |
| Other Non-Cash Items | 4.13M | 4.61M | 157.63M | -105.28M | 194.25M | 45.11M | -4.4M | 9.31M | 460K | -84.05M |
| Working Capital Changes | 8.31M | -9.9M | -50.94M | 30.88M | -55.29M | -50.33M | 4.08M | 31.57M | 16.58M | 6.21M |
| Capital Expenditures | 21.01M | -35.38M | -10.82M | -330.07M | -17.13M | -13.55M | -9.48M | -22.87M | -25.34M | -16.27M |
| CapEx / Revenue % | 6.37% | 6.12% | 1.92% | 39.12% | 2.03% | 1.25% | 1.14% | 2.69% | 3% | 1.97% |
| CapEx / D&A | 0.82x | 0.58x | 0.18x | 4.23x | 0.20x | 0.13x | 0.13x | 0.35x | 0.42x | 0.27x |
| CapEx Coverage (OCF/CapEx) | 0.38x | -0.27x | 5.14x | 0.31x | 1.12x | -2.57x | 1.82x | 2.24x | 2.03x | 3.16x |
| Cash from Investing | 21.01M | -35.38M | -3.53M | -330.07M | -14.19M | -12.14M | -9.48M | -22.87M | -25.34M | -16.27M |
| Acquisitions | -42.95M | -46.39M | 0 | -346.85M | 2.94M | 1.42M | 0 | 0 | 0 | 0 |
| Purchase of Investments | -28.73M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sale of Investments | 96.11M | 18.92M | 7.29M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Investing | 576K | 18.92M | 0 | 43.5M | 0 | -3.3M | -100K | -462K | 0 | 0 |
| Cash from Financing | -4.48M | 31.77M | -51.28M | 319.3M | -33.68M | 931K | -47.86M | 37.71M | -19.43M | -20.73M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dividend Payout Ratio % | - | - | - | - | - | - | - | - | - | - |
| Debt Issuance (Net) | 1000K | 1000K | -1000K | 1000K | -1000K | -1000K | -1000K | 1000K | -1000K | -2.87M |
| Stock Issued | 1.87M | 73K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5K |
| Share Repurchases | -7.52M | 30M | -4.54M | 0 | 0 | 0 | 0 | 0 | -8.96M | -9.78M |
| Other Financing | -6.38M | -2.58M | -22.86M | -15.75M | -15.23M | 46.58M | -6.15M | -10.6M | -4.35M | -6.53M |
| Net Change in Cash | 25.15M▲ 0% | -13.38M▼ 153.2% | 949K▲ 107.1% | 91.05M▲ 9494.7% | -29.21M▼ 132.1% | -39.22M▼ 34.3% | -40.63M▼ 3.6% | 63.85M▲ 257.1% | 7.65M▼ 88.0% | -4.21M▲ 0% |
| Exchange Rate Effect | 547K | -180K | 70K | 260K | -523K | -1.65M | -379K | -1.23M | 1.03M | -154K |
| Cash at Beginning | 31.92M | 57.07M | 43.69M | 44.64M | 135.7M | 106.48M | 67.26M | 26.63M | 90.48M | 98.13M |
| Cash at End | 57.07M | 43.69M | 44.64M | 135.7M | 106.48M | 67.26M | 26.63M | 90.48M | 98.13M | 69.6M |
| Free Cash Flow | 29.09M▲ 0% | -44.97M▼ 254.6% | 44.86M▲ 199.8% | -228.51M▼ 609.4% | 2.05M▲ 100.9% | -39.92M▼ 2047.2% | 7.61M▲ 119.1% | 27.37M▲ 259.9% | 26.06M▼ 4.8% | 16.67M▲ 0% |
| FCF Growth % | 456.68% | -254.61% | 199.75% | -609.37% | 100.9% | -2047.22% | 119.05% | 259.87% | -4.81% | 1232.69% |
| FCF Margin % | 8.82% | -7.78% | 7.97% | -27.08% | 0.24% | -4.87% | 0.92% | 3.28% | 3.09% | 2.02% |
| FCF / Net Income % | -82.51% | 58.55% | -34.49% | -257.94% | -1.16% | 40.7% | -11.49% | -50.47% | 65.74% | 53.14% |
Ribbon Communications Inc. (RBBN) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios
| Metric | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Return on Equity (ROE) | -8.45% | -12.74% | -24.23% | 15.14% | -29.19% | -18.76% | -13.63% | -12.65% | 9.29% | 7.85% |
| EBITDA Margin | -8.98% | -0.78% | -22.78% | 9.45% | -4.05% | 3.44% | 8.16% | 9.75% | 9.66% | 4.84% |
| Net Debt / EBITDA | - | - | - | 4.33x | - | 11.39x | 3.86x | 3.64x | 3.78x | 3.78x |
| Interest Coverage | -44.33x | -15.37x | -26.45x | 4.92x | -8.43x | -5.50x | -1.00x | 0.79x | -0.02x | - |
| CapEx / Revenue | 6.37% | 6.12% | 1.92% | 39.12% | 2.03% | 1.25% | 1.14% | 2.69% | 3% | 1.97% |
| Dividend Payout Ratio | - | - | - | - | - | - | - | - | - | 0% |
| Debt / Equity | 0.07x | 0.13x | 0.21x | 0.69x | 0.84x | 0.75x | 0.63x | 0.95x | 0.90x | 0.90x |
| EPS Growth | -114.29% | -23.33% | -60.81% | 151.26% | -296.72% | 47.5% | 38.1% | 20.51% | 170.97% | 158.52% |
Ribbon Communications Inc. (RBBN) SEC filings — annual & quarterly reports (10-K, 10-Q)
Apr 28, 2026·SEC
Apr 15, 2026·SEC
Feb 5, 2026·SEC
Ribbon Communications Inc. (RBBN) stock FAQ — growth, dividends, profitability & financials explained
Ribbon Communications Inc. (RBBN) reported $825.9M in revenue for fiscal year 2025. This represents a 82588200% increase from $0.0M in 1999.
Ribbon Communications Inc. (RBBN) grew revenue by 1.3% over the past year. Growth has been modest.
Yes, Ribbon Communications Inc. (RBBN) is profitable, generating $31.4M in net income for fiscal year 2025 (4.7% net margin).
Ribbon Communications Inc. (RBBN) has a return on equity (ROE) of 9.3%. This is below average, suggesting room for improvement.
Ribbon Communications Inc. (RBBN) generated $16.7M in free cash flow for fiscal year 2025. Positive FCF indicates the company can fund dividends, buybacks, or reinvestment.
Ribbon Communications Inc. (RBBN) has a dividend payout ratio of 0%. This suggests the dividend is well-covered and sustainable.
Ribbon Communications Inc. (RBBN) financial analysis — history, returns, DCA and operating performance tools
Historical returns with dividends reinvested
Dollar cost averaging vs lump sum
Yield, growth, payout safety & DRIP
EPS trends, net income & profitability
Long-term charts & historical price data
Sales growth patterns & revenue breakdown
30 years of market, efficiency and balance-sheet ratios
DCF intrinsic value, peer multiples & estimates