Company / Income Tax
Ribbon Communications Inc. Income Tax History
FY2017-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Income Tax
$10.8M
FY2025
5-year range
-$31.0M / $10.8M
FY2021-FY2025
Trend
+174.6%
vs FY2024
Sector context
Sector data unavailable
Latest sector comparison
What the data says
Income Tax has fluctuated over the past 9 years, ranging from -$31M in FY2023 to $11M in FY2025.
Based on SEC 10-K filings.
$11M in FY2025 with a 5-year CAGR of +26.1%.
Increased from -$31M to $11M over the past 2 years.
Income Tax over time
Growth rates
- 3-Year CAGR
- +31.9%
- 5-Year CAGR
- +26.1%
- 10-Year CAGR
- -
Key checks
Key Insights
- 5-year CAGR of +26.1%, indicating consistent growth.
- In FY2025, income tax increased 174.6% year-over-year.
- Lowest income tax in the period was in FY2023.
Company context
Key Data Points
- Altman Z-Score 0.91 (distress zone, below 1.8 threshold)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Income TaxValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | $10.8M | +174.6% |
| FY2024 | -$14.5M | +53.1% |
| FY2023 | -$31.0M | -755.1% |
| FY2022 | $4.7M | -34.2% |
| FY2021 | $7.2M | +111.2% |
| FY2020 | $3.4M | +118.4% |
| FY2019 | -$18.4M | -832.9% |
| FY2018 | $2.5M | +25.4% |
| FY2017 | $2.0M | - |
As of FY2025 · SEC 10-K · Updated Jun 28, 2026