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.
Get notified when RBBN posts new earnings or crosses analyst targets
Free. No account needed. Unsubscribe any time.
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
| Metric | 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
| Metric | 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 | 0.18x |
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 | 0.25x |
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
| Metric | 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 | 32.94M |
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% | 3.99% |
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 | 2.03x |
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 | 0.25x |
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 | 0.18x |
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.