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Symbols
Price
Change
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Volume
Mkt Cap
SIXB
Materials
SIXB
Materials
SIXB
+0.99%
1,093.81
+10.77
+0.99%
1,083.041,082.631,099.011,080.59
SIXC
Communications
SIXC
Communications
SIXC
+1.06%
608.77
+6.39
+1.06%
602.38602.38609.75599.75
SIXE
Energy
SIXE
Energy
SIXE
+0.96%
1,254.81
+11.98
+0.96%
1,242.831,229.311,258.881,220.51
SIXI
Industrials
SIXI
Industrials
SIXI
+2.76%
1,761.11
+47.29
+2.76%
1,713.821,715.471,763.111,715.47
SIXM
Financials
SIXM
Financials
SIXM
+0.40%
642.58
+2.59
+0.40%
639.99636.98644.04631.81
SIXR
Staples
SIXR
Staples
SIXR
+1.63%
851.13
+13.67
+1.63%
837.46840.30852.55840.30
SIXRE
Real estate
SIXRE
Real estate
SIXRE
+1.76%
217.98
+3.76
+1.76%
214.22214.22218.25214.05
SIXT
Technology
SIXT
Technology
SIXT
+0.23%
3,211.83
+7.45
+0.23%
3,204.383,215.043,217.443,159.90
SIXU
Utilities
SIXU
Utilities
SIXU
+2.55%
948.98
+23.60
+2.55%
925.38927.91949.76927.91
SIXV
Health care
SIXV
Health care
SIXV
+2.20%
1,474.52
+31.81
+2.20%
1,442.711,443.011,477.901,443.01
SIXY
Discretionary
SIXY
Discretionary
SIXY
+1.30%
2,392.12
+30.78
+1.30%
2,361.342,391.002,399.182,354.52
Q1 2026 earnings • released • EPS beat +18.92% • Revenue miss -0.51%
See results
RBBN:NASDAQ
Ribbon Communications Inc
$2.64
+11.16%
(+0.27) 1D
$2.62
-0.76% (-0.020)
After hours
Closed: Apr 30, 4:00:00 PM GMT-4  ·   USD
All symbols
SymbolPriceChange% Change
Generating top insights for RBBN...
Open
$2.40
High
$2.64
Low
$2.39
Mkt. cap
462.37M
Avg. vol.
811.97K
Volume
0.00
P/E ratio
11.98
52-wk high
$4.29
52-wk low
$1.80
EPS
$0.22
Beta
1.07
Shares outstanding
175.51M
No. of employees
3K
News stories
From sources across the web
Profile
Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas. Wikipedia
About Ribbon Communications Inc
CEOBruce W. McClelland
Employees3.05K
FoundedAug 7, 1997
HeadquartersWestford, Massachusetts, United States
SectorComputer hardware
Last report
Apr 28, 2026
Fiscal Period
Q1 2026
Normalized EPS / Estimate
-0.05/ (-0.06 est.)USD
+18.92%beat
Revenue / Estimate
162.61M/ (163.43M est.)USD
-0.51%miss
Fiscal Q1 2026 earnings call
Waiting for the earnings call
At a glanceInsights from the latest news and reports
Previous reportsAll values in USD
Loading Previous Earnings...
Income statement
Revenue
Net income
All values in USD
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Revenue
220.58M
215.37M
227.32M
162.61M
Cost of goods sold
106.00M
102.35M
101.64M
88.35M
Cost of revenue
106.00M
102.35M
101.64M
88.35M
Research and development expenses
44.70M
45.89M
44.71M
44.44M
Total research and development expenses
-
-
-
-
Selling, general, and admin expenses
49.17M
49.43M
51.80M
49.25M
Operating expense
105.11M
106.32M
106.92M
103.91M
Total operating expenses
211.11M
208.66M
208.56M
192.26M
Operating income
9.47M
6.71M
18.76M
-29.66M
Other non operating income
-2.16M
966.00K
3.39M
514.00K
EBT including unusual items
-8.91M
-8.98M
-241.00K
-40.94M
EBT excluding unusual items
-3.67M
-5.03M
9.22M
-38.90M
Income tax expense
2.18M
3.13M
-89.31M
-6.45M
Effective tax rate
-24.50%
-34.89%
37,056.43%
15.75%
Other operating expenses
-
-
-
-
Net income
-11.09M
-12.11M
89.06M
-34.49M
Net profit margin
-5.03%
-5.62%
39.18%
-21.21%
Earnings per share
0.05
0.04
0.59
-0.05
Interest and investment income
322.00K
190.00K
143.00K
-
Interest expense
-11.30M
-11.80M
-11.07M
-9.76M
Net interest expenses
-10.98M
-11.61M
-10.93M
-9.76M
Depreciation and amortization charges
-
-
-
-
EBITDA
25.01M
22.12M
33.72M
-14.98M
Gain or loss from assets sale
-
-
-
-
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