Ribbon Communications Inc. (RBBN)
Ribbon Communications Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.
Ribbon Communications Inc. (RBBN) is a Telecommunications Services company based in US with a market capitalization of $399.8M. Revenue grew 1.3% year-over-year and the company generated $26.1M in free cash flow. This page tracks RBBN's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.
US · 3.05K employees · IPO May 25, 2000
Valuation
Valuation & price
$2.57as of May 17, 2026· -38.2% vs 52w high
11.7
P/E ratio
Latest-FY diluted EPS
0.89
P/B ratio
Market cap ÷ book equity
—
Dividend yield
Price — last 12 months
Fundamentals
Key fundamentals
$399.8M
Market cap
1.3%
Revenue growth (YoY)
47.0%
Gross margin
$26.1M
Free cash flow (USD)
$308.7M
Net debt
1.2%
Share dilution
2/5
Graham criteria passed
Defensive-investor screen
Communication Services
Sector
Trajectory
Long-term trends
Revenue by year
2016 → 2025
Free cash flow by year
2016 → 2025
Gross margin by year
2021 → 2025
Value screen
Graham defensive-investor tests
0
Insider buys · 90 days
0
Insider sells · 90 days
Earnings
Last reported: Jul 22, 2026
Next expected: not yet scheduled
On the tape
Recent SEC & insider activity
Questions
Frequently asked questions
What is Ribbon Communications Inc.'s market cap?
Ribbon Communications Inc. (RBBN) has a market capitalization of $399.8M.
What is RBBN's P/E ratio?
RBBN trades at a price-to-earnings ratio of 11.7, based on its latest fiscal-year diluted earnings per share and the most recent cached price.
What is RBBN's price-to-book (P/B) ratio?
RBBN trades at 0.89 times book value per share.
When did Ribbon Communications Inc. last report earnings?
RBBN last reported earnings on July 22, 2026; the next date is not yet scheduled.
Are insiders buying RBBN stock?
SEC Form 4 filings show no open-market insider buys at Ribbon Communications Inc. in the last 90 days (0 sells).
Same arena
Related companies in Telecommunications Services
Timeline
Every filing, insider trade & earnings on a price-anchored timeline
Filing Analyzer
Search the actual 10-K / 10-Q text with AI research angles
News
Latest press coverage in one feed
Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.