Ribbon Communications Inc. (RBBN) stock
RBBNNasdaqServices-Computer Integrated Systems DesignFiscal year ends December 31
Financials through Q4 FY2025, quarter ended Dec 31, 2025Last filing: 10-Q on Oct 28, 2026Score 8/3072% below fair value
$1.55−0.08 (-4.91%)
Close on Oct 30, 2026Market cap $277.18MP/E 7.0Yield –
Earnings
Ribbon Communications's quarterly results as reported in its earnings releases, with the company's own outlook. Hover a number to see the sentence it came from.
Next report
Feb 4, 2027
Q4 FY2026 · estimated, during market hours
Revenue, Q3 FY2026
$219.00M
+1.9% on a year earlier
Non-GAAP diluted earnings (loss) per share, Q3 FY2026
$0.07
$0.04 a year earlier
Latest guidance
Issued
Oct 27, 2026 · 3 items
Quarterly results
Revenue and earnings per share from each of Ribbon Communications's earnings releases, newest first
| Quarter | Reported | Revenue | YoY | EPS | Adj. EPS | Source |
|---|---|---|---|---|---|---|
| Q4 FY2026ended Dec 31, 2026 | Feb 4, 2027Expected | – | – | – | – | – |
| Q3 FY2026ended Sep 30, 2026 | Oct 27, 2026after the close | $219.00M | +1.9% | -$0.05 | $0.07 | Release |
| Q2 FY2026ended Jun 30, 2026 | Jul 28, 2026during market hours | $192.00M | -13.1% | -$0.15 | -$0.03 | Release |
| Q4 FY2025ended Dec 31, 2025 | Feb 5, 2026during market hours | $227.00M | -9.6% | $0.50 | $0.59 | Release |
| Q3 FY2025ended Sep 30, 2025 | Oct 22, 2025during market hours | $215.00M | +2.4% | -$0.07 | $0.04 | Release |
| Q2 FY2025ended Jun 30, 2025 | Jul 23, 2025during market hours | $221.00M | +14.5% | – | – | Release |
| Q1 FY2025ended Mar 31, 2025 | Apr 29, 2025during market hours | $181.00M | +0.6% | -$0.15 | -$0.03 | Release |
| Q4 FY2024ended Dec 31, 2024 | Feb 12, 2025during market hours | $251.00M | +11.1% | $0.04 | $0.16 | Release |
| Q3 FY2024ended Sep 30, 2024 | Oct 23, 2024during market hours | $210.00M | – | -$0.08 | $0.05 | Release |
| Q2 FY2024ended Jun 30, 2024 | Jul 24, 2024during market hours | $193.00M | -8.5% | -$0.10 | $0.05 | Release |
| Q1 FY2024ended Mar 31, 2024 | Apr 24, 2024before the open | $180.00M | -3.2% | -$0.18 | -$0.01 | Release |
| Q4 FY2023ended Dec 31, 2023 | Feb 14, 2024during market hours | $226.00M | -3.4% | $0.04 | $0.12 | Release |
| Q3 FY2023ended Sep 30, 2023 | Oct 25, 2023during market hours | – | – | – | – | Release |
| Q2 FY2023ended Jun 30, 2023 | Jul 26, 2023during market hours | $211.00M | +2.4% | -$0.13 | $0.04 | Release |
| Q1 FY2023ended Mar 31, 2023 | Apr 26, 2023during market hours | $186.00M | +7.5% | -$0.23 | -$0.02 | Release |
| Q4 FY2022ended Dec 31, 2022 | Feb 15, 2023during market hours | $234.00M | +1.3% | $0.12 | $0.09 | Release |
| Q3 FY2022ended Sep 30, 2022 | Oct 26, 2022during market hours | $207.00M | -1.4% | -$0.12 | $0.02 | Release |
| Q2 FY2022ended Jun 30, 2022 | Jul 27, 2022during market hours | $206.00M | – | -$0.20 | $0.06 | Release |
| Q1 FY2022ended Mar 31, 2022 | Apr 27, 2022during market hours | $173.00M | – | -$0.47 | -$0.08 | Release |
| Q4 FY2021ended Dec 31, 2021 | Feb 16, 2022during market hours | $231.00M | – | -$0.65 | $0.01 | Release |
| Q3 FY2021ended Sep 30, 2021 | Oct 27, 2021during market hours | $210.00M | – | -$0.40 | $0.11 | Release |
| Q2 FY2021ended Jun 30, 2021 | Jul 28, 2021during market hours | – | – | – | – | Filing |
| Q1 FY2021ended Mar 31, 2021 | Apr 28, 2021during market hours | – | – | – | – | Filing |
| Q4 FY2020ended Dec 31, 2020 | Jan 25, 2021before the open | – | – | – | – | Filing |
| Q3 FY2020ended Sep 30, 2020 | Oct 29, 2020during market hours | – | – | – | – | Filing |
| Q2 FY2020ended Jun 30, 2020 | Aug 5, 2020during market hours | – | – | – | – | Filing |
Figures as first announced; later restatements appear under Financials. Expected dates are estimated from the company's past reporting pattern.
Current guidance
Ribbon Communications's latest outlook for periods it has not reported yet, compared with what it said before
| Metric | Period | Guidance | Before | Change | Given |
|---|---|---|---|---|---|
| revenue | Q4 FY2026 | $233.00M – $247.00M | – | New | Oct 27, 2026 |
| Non-GAAP gross marginnon-GAAP | Q4 FY2026 | 53.5% – 54.5% | – | New | Oct 27, 2026 |
| Adjusted EBITDAnon-GAAP | Q4 FY2026 | $40.00M – $47.00M | – | New | Oct 27, 2026 |
| revenue | FY2026 | $810.00M – $840.00M | $840.00M – $875.00M | Lowered | Jul 28, 2026 |
| GAAP outlookGAAP | FY2026 | 50.9% | – | New | Feb 5, 2026 |
| non-GAAP gross marginnon-GAAP | FY2026 | 51% – 52% | 52.5% – 53.5% | Lowered | Jul 28, 2026 |
| GAAP income (loss) from operationsGAAP | FY2026 | $22.20M | – | New | Feb 5, 2026 |
| Adjusted EBITDAnon-GAAP | FY2026 | $78 – $88 | $105.00M – $120.00M | Lowered | Jul 28, 2026 |
Guidance vs results
The last range Ribbon Communications gave before each report, against the figure it then reported. Full years add up the four quarters.
| Period | Metric | Guidance | Actual | Result |
|---|---|---|---|---|
| Q3 FY2026 | Revenue | $215.00M – $230.00M | $219.00M | Within range |
| Q4 FY2025 | Revenue | $230.00M – $250.00M | $227.00M | Below range |
| Q3 FY2025 | Revenue | $213.00M – $227.00M | $215.00M | Within range |
| Q2 FY2025 | Revenue | $210.00M – $220.00M | $221.00M | Above range |
| Q2 FY2025 | Revenue growth | +5% – +8% | +14.51% | Above range |
| Q1 FY2025 | Revenue | $185.00M – $195.00M | $181.00M | Below range |
| Q4 FY2024 | Revenue | $235.00M – $255.00M | $251.00M | Within range |
| Q3 FY2024 | Revenue | $205.00M – $220.00M | $210.00M | Within range |
| Q2 FY2024 | Revenue | $200.00M – $210.00M | $193.00M | Below range |
| Q1 FY2024 | Revenue | $180.00M – $190.00M | $180.00M | Within range |
| Q2 FY2023 | Revenue | $205.00M – $215.00M | $211.00M | Within range |
| Q1 FY2023 | Revenue | $180.00M – $190.00M | $186.00M | Within range |
| Q4 FY2022 | EPS (GAAP) | -$0.09 – -$0.06 | $0.12 | Above range |
| Q4 FY2022 | non-GAAP diluted earnings (loss) per share | -$0.01 – $0.01 | $0.09 | Above range |
| Q4 FY2022 | Revenue | $220.00M – $240.00M | $234.00M | Within range |
| Q3 FY2022 | non-GAAP diluted earnings per share | $0.05 – $0.08 | $0.02 | Below range |
| Q3 FY2022 | Revenue | $210.00M – $225.00M | $207.00M | Below range |
| Q2 FY2022 | non-GAAP diluted earnings per share | $0.03 – $0.06 | $0.06 | Within range |
| Q2 FY2022 | Revenue | $200.00M – $215.00M | $206.00M | Within range |
| Q1 FY2022 | non-GAAP diluted loss per share | -$0.10 – -$0.07 | -$0.08 | Within range |
| Q1 FY2022 | Revenue | $165.00M – $180.00M | $173.00M | Within range |
| Q4 FY2021 | non-GAAP diluted earnings per share | $0.13 – $0.17 | $0.01 | Below range |
| Q4 FY2021 | Revenue | $240.00M – $260.00M | $231.00M | Below range |
Guidance history
Every forecast Ribbon Communications put in an earnings release, newest first
| Given | Metric | Period | Guidance | Change |
|---|---|---|---|---|
| Oct 27, 2026 | Adjusted EBITDA | Q4 FY2026 | $40.00M – $47.00M | New |
| Oct 27, 2026 | Non-GAAP gross margin | Q4 FY2026 | 53.5% – 54.5% | New |
| Oct 27, 2026 | revenue | Q4 FY2026 | $233.00M – $247.00M | New |
| Jul 28, 2026 | Adjusted EBITDA | FY2026 | $78 – $88 | Lowered |
| Jul 28, 2026 | Adjusted EBITDA | Q3 FY2026 | $26.00M – $31.00M | New |
| Jul 28, 2026 | Gross margin: GAAP outlook | Q3 FY2026 | 49.5% | New |
| Jul 28, 2026 | non-GAAP gross margin | FY2026 | 51% – 52% | Lowered |
| Jul 28, 2026 | Non-GAAP gross margin | Q3 FY2026 | 51% – 52% | New |
| Jul 28, 2026 | GAAP income (loss) from operations | Q3 FY2026 | $6.20M | New |
| Jul 28, 2026 | revenue | FY2026 | $810.00M – $840.00M | Lowered |
| Jul 28, 2026 | revenue | Q3 FY2026 | $215.00M – $230.00M | New |
| Feb 5, 2026 | Adjusted EBITDA | FY2026 | $105.00M – $120.00M | New |
| Feb 5, 2026 | Adjusted EBITDA | Q1 FY2026 | -$3.00M – $1.00M | New |
| Feb 5, 2026 | GAAP outlook | Q1 FY2026 | 45.8% | New |
| Feb 5, 2026 | GAAP outlook | FY2026 | 50.9% | New |
| Feb 5, 2026 | Non-GAAP gross margin | FY2026 | 52.5% – 53.5% | New |
| Feb 5, 2026 | Non-GAAP gross margin | Q1 FY2026 | 48% – 49% | New |
| Feb 5, 2026 | GAAP income (loss) from operations | Q1 FY2026 | -$23.60M | New |
| Feb 5, 2026 | GAAP income (loss) from operations | FY2026 | $22.20M | New |
| Feb 5, 2026 | revenue | FY2026 | $840.00M – $875.00M | New |
| Feb 5, 2026 | revenue | Q1 FY2026 | $160.00M – $170.00M | New |
| Oct 22, 2025 | Adjusted EBITDA | Q4 FY2025 | $42.00M – $48.00M | New |
| Oct 22, 2025 | GAAP outlook | Q4 FY2025 | 53.3% | New |
| Oct 22, 2025 | Non-GAAP gross margin | Q4 FY2025 | 55% – 56% | New |
| Oct 22, 2025 | GAAP income (loss) from operations | Q4 FY2025 | $24.00M | New |
| Oct 22, 2025 | revenue | Q4 FY2025 | $230.00M – $250.00M | New |
| Jul 23, 2025 | Adjusted EBITDA | Q3 FY2025 | $28.00M – $34.00M | New |
| Jul 23, 2025 | Non-GAAP gross margin | Q3 FY2025 | 53.5% – 54% | New |
| Jul 23, 2025 | revenue | Q3 FY2025 | $213.00M – $227.00M | New |
| Apr 29, 2025 | Adjusted EBITDA | Q2 FY2025 | $28.00M – $32.00M | New |
| Apr 29, 2025 | Non-GAAP outlook | FY2025 | $135.00M | Narrowed |
| Apr 29, 2025 | GAAP outlook | Q2 FY2025 | 50.65% | New |
| Apr 29, 2025 | Non-GAAP gross margin | Q2 FY2025 | 53% – 53.5% | New |
| Apr 29, 2025 | GAAP outlook | FY2025 | 52% | New |
| Apr 29, 2025 | Non-GAAP outlook | FY2025 | 54.5% | Narrowed |
| Apr 29, 2025 | GAAP income (loss) from operations | Q2 FY2025 | $9.30M | New |
| Apr 29, 2025 | GAAP income (loss) from operations | FY2025 | $49.70M | New |
| Apr 29, 2025 | sales | Q2 FY2025 | +5% – +8% | New |
| Apr 29, 2025 | revenue | Q2 FY2025 | $210.00M – $220.00M | New |
| Apr 29, 2025 | Revenue ($ millions) | FY2025 | $880.00M | Narrowed |
| Feb 12, 2025 | Adjusted EBITDA | Q1 FY2025 | $12.00M – $18.00M | New |
| Feb 12, 2025 | Adjusted EBITDA | FY2025 | $130.00M – $140.00M | New |
| Feb 12, 2025 | Gross margin: GAAP outlook | Q1 FY2025 | 50.25% | New |
| Feb 12, 2025 | Non-GAAP gross margin | Q1 FY2025 | 53% – 53.5% | New |
| Feb 12, 2025 | Non-GAAP gross margin | FY2025 | 54% – 55% | New |
| Feb 12, 2025 | GAAP income (loss) from operations | Q1 FY2025 | -$6.40M | New |
| Feb 12, 2025 | revenue | Q1 FY2025 | $185.00M – $195.00M | New |
| Feb 12, 2025 | revenue | FY2025 | $870.00M – $890.00M | New |
| Oct 23, 2024 | Adjusted EBITDA | Q4 FY2024 | $46.00M – $52.00M | New |
| Oct 23, 2024 | GAAP outlook | Q4 FY2024 | 53.3% | New |
| Oct 23, 2024 | Non-GAAP gross margin | Q4 FY2024 | 55.5% – 56% | New |
| Oct 23, 2024 | revenue | Q4 FY2024 | $235.00M – $255.00M | New |
| Jul 24, 2024 | Adjusted EBITDA | Q3 FY2024 | $25.00M – $30.00M | New |
| Jul 24, 2024 | Adjusted EBITDA | FY2024 | $105.00M – $115.00M | Lowered |
| Jul 24, 2024 | Non-GAAP gross margin | Q3 FY2024 | 53% – 53.5% | New |
| Jul 24, 2024 | non-GAAP gross margin | FY2024 | 54% – 54.5% | Raised |
| Jul 24, 2024 | revenue | Q3 FY2024 | $205.00M – $220.00M | New |
| Jul 24, 2024 | revenue | FY2024 | $830.00M – $850.00M | Lowered |
| Apr 24, 2024 | Adjusted EBITDA | Q2 FY2024 | $20.00M – $25.00M | New |
| Apr 24, 2024 | Non-GAAP outlook | FY2024 | $115.00M | Narrowed |
| Apr 24, 2024 | Non-GAAP gross margin | Q2 FY2024 | 53.5% – 54.5% | New |
| Apr 24, 2024 | Non-GAAP outlook | FY2024 | 53.5% | Narrowed |
| Apr 24, 2024 | revenue | Q2 FY2024 | $200.00M – $210.00M | New |
| Apr 24, 2024 | Revenue ($ millions) | FY2024 | $855.00M | Narrowed |
| Feb 14, 2024 | Adjusted EBITDA | Q1 FY2024 | $5.00M – $10.00M | New |
| Feb 14, 2024 | Adjusted EBITDA | FY2024 | $110.00M – $120.00M | New |
| Feb 14, 2024 | Non-GAAP gross margin | Q1 FY2024 | 51% – 52% | New |
| Feb 14, 2024 | Non-GAAP gross margin | FY2024 | 53% – 54% | New |
| Feb 14, 2024 | revenue | Q1 FY2024 | $180.00M – $190.00M | New |
| Feb 14, 2024 | revenue | FY2024 | $840.00M – $870.00M | New |
| Jul 26, 2023 | Adjusted EBITDA | Q3 FY2023 | $26.00M – $32.00M | New |
| Jul 26, 2023 | Non-GAAP outlook | FY2023 | $95.00M – $110.00M | Reaffirmed |
| Jul 26, 2023 | GAAP outlook | Q3 FY2023 | 47.8% – 49% | New |
| Jul 26, 2023 | Non-GAAP gross margin | Q3 FY2023 | 51.5% – 52.5% | New |
| Jul 26, 2023 | GAAP outlook | FY2023 | 49.3% – 50.4% | Reaffirmed |
| Jul 26, 2023 | Non-GAAP outlook | FY2023 | 53% – 54% | Reaffirmed |
| Jul 26, 2023 | GAAP (loss) income from operations | Q3 FY2023 | -$2.60M – $3.40M | New |
| Jul 26, 2023 | GAAP (loss) income from operations | FY2023 | -$31.30M – -$16.30M | Lowered |
| Jul 26, 2023 | revenue | Q3 FY2023 | $215.00M – $225.00M | New |
| Jul 26, 2023 | Revenue ($ millions) | FY2023 | $840.00M – $870.00M | Reaffirmed |
| Apr 26, 2023 | Adjusted EBITDA | Q2 FY2023 | $17.00M – $24.00M | New |
| Apr 26, 2023 | Non-GAAP outlook | FY2023 | $95.00M – $110.00M | Reaffirmed |
| Apr 26, 2023 | GAAP outlook | Q2 FY2023 | 46.4% – 47.5% | New |
| Apr 26, 2023 | Non-GAAP gross margin | Q2 FY2023 | 50.5% – 51.5% | New |
| Apr 26, 2023 | GAAP outlook | FY2023 | 49.3% – 50.4% | New |
| Apr 26, 2023 | Non-GAAP outlook | FY2023 | 53% – 54% | Reaffirmed |
| Apr 26, 2023 | GAAP loss from operations | Q2 FY2023 | -$13.70M – -$6.70M | New |
| Apr 26, 2023 | GAAP loss from operations | FY2023 | -$17.30M – -$2.30M | New |
| Apr 26, 2023 | revenue | Q2 FY2023 | $205.00M – $215.00M | New |
| Apr 26, 2023 | Revenue ($ millions) | FY2023 | $840.00M – $870.00M | Reaffirmed |
| Feb 15, 2023 | Adjusted EBITDA | Q1 FY2023 | -$6.00M – $1.00M | New |
| Feb 15, 2023 | Adjusted EBITDA | FY2023 | $95.00M – $110.00M | New |
| Feb 15, 2023 | Non-GAAP gross margin | Q1 FY2023 | 46% – 48% | New |
| Feb 15, 2023 | non-GAAP gross margin | FY2023 | 53% – 54% | New |
| Feb 15, 2023 | revenue | Q1 FY2023 | $180.00M – $190.00M | New |
| Feb 15, 2023 | revenue | FY2023 | $840.00M – $870.00M | New |
| Oct 26, 2022 | Adjusted EBITDA | Q4 FY2022 | $30.00M – $36.00M | New |
| Oct 26, 2022 | non-GAAP diluted earnings (loss) per share | Q4 FY2022 | -$0.01 – $0.01 | New |
| Oct 26, 2022 | GAAP outlook | Q4 FY2022 | -$0.09 – -$0.06 | New |
| Oct 26, 2022 | GAAP outlook | Q4 FY2022 | 50% – 50.6% | New |
| Oct 26, 2022 | non-GAAP gross margin | Q4 FY2022 | 53.5% – 54.5% | New |
| Oct 26, 2022 | GAAP (loss) income from operations | Q4 FY2022 | -$1.10M – $4.90M | New |
| Oct 26, 2022 | revenue | Q4 FY2022 | $220.00M – $240.00M | New |
| Jul 27, 2022 | Adjusted EBITDA | Q3 FY2022 | $26.00M – $34.00M | New |
| Jul 27, 2022 | Adjusted EBITDA | FY2022 | $90.00M – $100.00M | Lowered |
| Jul 27, 2022 | non-GAAP diluted earnings per share | Q3 FY2022 | $0.05 – $0.08 | New |
| Jul 27, 2022 | non-GAAP diluted earnings per share | FY2022 | $0.18 – $0.22 | Lowered |
| Jul 27, 2022 | non-GAAP gross margin | Q3 FY2022 | 55% – 56% | New |
| Jul 27, 2022 | non-GAAP gross margin | FY2022 | 54% – 54.5% | Lowered |
| Jul 27, 2022 | revenue | Q3 FY2022 | $210.00M – $225.00M | New |
| Jul 27, 2022 | revenue | FY2022 | $840.00M – $870.00M | Lowered |
| Apr 27, 2022 | Adjusted EBITDA | Q2 FY2022 | $17.00M – $23.00M | New |
| Apr 27, 2022 | non-GAAP diluted earnings per share | Q2 FY2022 | $0.03 – $0.06 | New |
| Apr 27, 2022 | non-GAAP gross margin | Q2 FY2022 | 53.5% – 54.5% | New |
| Apr 27, 2022 | revenue | Q2 FY2022 | $200.00M – $215.00M | New |
| Feb 16, 2022 | Adjusted EBITDA | Q1 FY2022 | -$11.00M – -$5.00M | New |
| Feb 16, 2022 | Adjusted EBITDA | FY2022 | $110.00M – $120.00M | New |
| Feb 16, 2022 | non-GAAP diluted loss per share | Q1 FY2022 | -$0.10 – -$0.07 | New |
| Feb 16, 2022 | non-GAAP earnings per share | FY2022 | $0.30 – $0.34 | New |
| Feb 16, 2022 | non-GAAP gross margin | Q1 FY2022 | 50% – 51% | New |
| Feb 16, 2022 | non-GAAP gross margin | FY2022 | 55% – 56% | New |
| Feb 16, 2022 | revenue | Q1 FY2022 | $165.00M – $180.00M | New |
| Feb 16, 2022 | revenue | FY2022 | $850.00M – $880.00M | New |
| Oct 27, 2021 | Adjusted EBITDA | Q4 FY2021 | $45.00M – $51.00M | New |
| Oct 27, 2021 | non-GAAP diluted earnings per share | Q4 FY2021 | $0.13 – $0.17 | New |
| Oct 27, 2021 | non-GAAP gross margin | Q4 FY2021 | 58% | New |
| Oct 27, 2021 | revenue | Q4 FY2021 | $240.00M – $260.00M | New |
Read from the company's earnings releases; each figure links to its sentence on hover. “Raised” and “Lowered” compare with the previous range for the same metric and period.
Press releases
Releases Ribbon Communications filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Update
- Results
- Results
- Results
- Results
- Results
- Results
- Results
- Results
- Results
- News
- Results
- Results