Microcap Ledger

Tickers · $RBBN

Ribbon Communications Inc. $RBBN

By Microcap Ledger desk · CIK 0001708055

Facts as of . Built from SEC filings and our own data. Small caps move fast; check the latest filings.

Snapshot

Exchange
Nasdaq Global Select Market
Sector
Services-Computer Integrated Systems Design
Headquarters
Plano, TX
Fiscal year end
December 31
Shares outstanding
178,823,352 [10-Q 2026-07-31]
as of 2026-07-28

Sources: [10-K 2026-02-26]

What the company doesAI summary of filing

Ribbon Communications develops and sells software and hardware products, network solutions, and services for secure voice and data communications to service providers and enterprises globally. The company offers cloud-native and on-premises solutions for VoIP, 5G voice services, unified communications, IP routing, optical transport, and network automation across private, public, and hybrid cloud environments. Ribbon is a revenue-generating company serving customers in over 140 countries, with two reportable business segments: Cloud and Edge, which provides voice and unified communications solutions, and IP Optical Networks, which provides routing and optical transport products. In the year ended December 31, 2025, Verizon accounted for approximately 17 percent of revenue. [10-K 2026-02-26]

Segments: Cloud and Edge, IP Optical Networks

Financial health

From XBRL company facts (USD)
PeriodRevenueNet incomeOperating cash flowCashFiling
6 months to Jun 2026$354.95M−$61.36M −$33.50M$43.51M[10-Q 2026-07-31]
FY ended Dec 2025$844.56M$39.6K $51.40M$96.41M[10-K 2026-02-26]
FY ended Dec 2024$833.88M−$54.2K $50.24M$87.77M[10-K 2026-02-26]
Quarterly cash burn
−$16.75M
Cash runway Estimate
~7.8 months

Estimate: cash at the end of the period (6 months to Jun 2026) divided by the average monthly operating cash outflow over that period. Ignores any cash raised or spent since, and any financing.

Capital structure and dilution

Summary only. How these instruments work: Dilution & financing desk.

Share count
DateShares outstandingFiling
2024-10-21175,383,687[10-Q 2024-10-24]
2025-02-24175,724,084[10-K 2025-02-27]
2025-04-28176,544,386[10-Q 2025-04-30]
2025-07-18177,081,847[10-Q 2025-07-24]
2025-10-20176,599,590[10-Q 2025-10-23]
2026-02-23175,604,524[10-K 2026-02-26]
2026-04-27176,139,067[10-Q 2026-05-06]
2026-07-28178,823,352[10-Q 2026-07-31]

Listing status

Current status: No Form 8-K Item 3.01 (listing notice) filings in the last 24 months, as of 2026-10-11.

More on deficiency notices and uplistings: Listing status desk.

Who owns it

Recent Form 4 transactions
DateInsiderTypeSharesPriceFiling
2026-07-15Grayson Bruns Hgrant14,423—[4 2026-07-15]
2026-07-15Shani Shaulgrant11,752—[4 2026-07-15]
2026-06-16Tamone Tanyaexercise42,500—[4 2026-06-17]

Catalysts and calendar

Recent filings and releases
DateTypeTitle
2026-07-3110-QQuarterly report
2026-07-288-KResults of operations
2026-06-178-KRegulation FD disclosure
2026-06-058-KShareholder vote results
2026-05-0610-QQuarterly report
2026-04-288-KResults of operations; Director or officer change
2026-04-17DEF 14AProxy statement
2026-04-158-KDirector or officer change
2026-02-2610-KAnnual report
2026-02-058-KResults of operations
2025-10-2310-QQuarterly report
2025-10-228-KResults of operations

Facts as of . Small caps move fast; check the latest filings.