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Ribbon Communications (RBBN) Q1 2026 earnings results (first quarter 2026)

10-Q filed May 6, 2026

Ribbon Communications (RBBN) reported revenue of $163M for the first quarter 2026 (Q1 2026), -10% from a year earlier and -28% from the quarter before. Operating margin was -19.5%, net loss $34.5M (21.2% of revenue).

Revenue$163M
Year over year-10%
Quarter over quarter-28%
Operating margin-19.5%
Net earnings−$34.5M

Ribbon Communications, Q1 2026: revenue $163M (-10% year over year), operating margin -19.5%, net loss $34.5M, operating cash flow −$22.0M. The chart follows the revenue to costs, profit and cash.

Q1 2026AmountQ/QY/Y
Revenue$163M-28%-10%
Operating profit−$31.7M-441%—
Net earnings−$34.5M-139%—
Operating cash flow−$22.0M-175%—

What changed

Revenue was $162.6M in Q1 2026, down 10% year over year and down 28% from the previous quarter. Product was the largest line at 42% of revenue. Product lost $13.9M year over year (down 17%), 74% of the total change.

Gross margin was 42.9%, down 2.6 points from Q1 2025. Operating costs exceeded revenue by $31.7M, an operating margin of -19.5%. Operating expenses fell 1% while revenue fell 10%. The fastest-growing cost line was General & admin (+12%). The quarter ended with a net loss of $34.5M, after a profit of $89.1M the previous quarter.

Operating cash flow was −$22.0M. Non-cash charges added back $14.7M of depreciation and amortization and $6.0M of share-based compensation. Working capital and other items used $8.1M. Capital expenditures of $3.1M exceeded it, leaving free cash flow of −$25.1M.

Questions

What was Ribbon Communications' revenue in the first quarter 2026?

Ribbon Communications (RBBN) reported revenue of $163M for the first quarter 2026 (Q1 2026), -10% from a year earlier and -28% from the quarter before.

Was Ribbon Communications profitable in the first quarter 2026?

Operating loss was $31.7M (-19.5% of revenue) and net loss $34.5M.

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Source: Ribbon Communications 10-Q on SEC EDGAR.