Filing Flows › Ribbon Communications (RBBN) › Q4 2025
Ribbon Communications (RBBN) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 26, 2026
Ribbon Communications (RBBN) reported revenue of $227M for the fourth quarter 2025 (Q4 2025), -10% from a year earlier and +6% from the quarter before. Operating margin was 4.1%, net earnings $89.1M (39.2% of revenue).
Ribbon Communications, Q4 2025: revenue $227M (-10% year over year), operating margin 4.1%, net earnings $89.1M, operating cash flow $29.2M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $227M | +6% | -10% |
| Operating profit | $9.3M | +236% | — |
| Net earnings | $89.1M | — | — |
| Operating cash flow | $29.2M | +10% | -53% |
| Free cash flow | $27.3M | +30% | -49% |
What changed
Revenue was $227.3M in Q4 2025, down 10% year over year and up 6% from the previous quarter. Product was the largest line at 56% of revenue.
Gross margin was 53.3%, down 2.5 points from a year earlier. Operating profit was $9.3M, a 4.1% margin (down 9.1 points year over year). Operating expenses grew 5% against a revenue fall of 10%. The fastest-growing cost line was Other operating costs (+99%). Net earnings were $89.1M, up 1300% year over year.
Operating cash flow was $29.2M (down 53% year over year), 33% of net earnings. Non-cash charges added back $15.0M of depreciation and amortization and $4.8M of share-based compensation. Working capital and other items used $79.6M. Capital expenditures of $2.0M left free cash flow of $27.3M.
Questions
What was Ribbon Communications' revenue in the fourth quarter 2025?
Ribbon Communications (RBBN) reported revenue of $227M for the fourth quarter 2025 (Q4 2025), -10% from a year earlier and +6% from the quarter before.
Was Ribbon Communications profitable in the fourth quarter 2025?
Operating profit was $9.3M (4.1% of revenue) and net earnings $89.1M.