Ribbon Communications Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:RBBN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
15 Mar 24	BuyUS$289,000	Bruns Grayson	Individual	100,000	US$2.89
15 Mar 24	BuyUS$5,798	Miguel A. Lopez Ben	Individual	2,000	US$2.90
05 Mar 24	BuyUS$2,880	Miguel A. Lopez Ben	Individual	1,000	US$2.88
05 Mar 24	BuyUS$5,896	Miguel A. Lopez Ben	Individual	2,000	US$2.98
01 Mar 24	BuyUS$30,202	Bruce McClelland	Individual	10,000	US$3.02
28 Feb 24	SellUS$129,102	Patrick Macken	Individual	42,094	US$3.07
26 Feb 24	SellUS$106,660	Dan Redington	Individual	34,452	US$3.10
23 Feb 24	SellUS$98,386	Dan Redington	Individual	31,548	US$3.20
08 Dec 23	BuyUS$12,098	Miguel A. Lopez Ben	Individual	5,526	US$2.20

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of RBBN?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	4,066,332	2.34%
General Public	16,958,886	9.75%
VC/PE Firms	27,435,739	15.8%
Private Companies	52,021,756	29.9%
Institutions	73,427,174	42.2%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.2%.

Top Shareholders

Top 25 shareholders own 84.52% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
29.9%	JPMorgan Chase Bank, National Association	52,021,211	US$171.1m	0.86%	no data
15.8%	Swarth Investments L.L.C.	27,435,739	US$90.3m	0%	no data
11.2%	Neuberger Berman Investment Advisers LLC	19,486,809	US$64.1m	5.68%	0.05%
5.82%	Paradigm Capital Management, Inc.	10,126,400	US$33.3m	11.9%	1.5%
4.14%	BlackRock, Inc.	7,197,606	US$23.7m	-4.8%	no data
3.99%	The Vanguard Group, Inc.	6,932,828	US$22.8m	-0.72%	no data
3.17%	Dimensional Fund Advisors LP	5,508,444	US$18.1m	6.84%	no data
1.17%	Geode Capital Management, LLC	2,040,793	US$6.7m	1.7%	no data
1.16%	Royce & Associates, LP	2,015,453	US$6.6m	9.27%	0.06%
1.08%	State Street Global Advisors, Inc.	1,885,225	US$6.2m	7.27%	no data
0.95%	Putnam LLC	1,659,379	US$5.5m	-16.7%	0.01%
0.81%	Herald Investment Management Ltd.	1,415,869	US$4.7m	0%	0.36%
0.74%	Bruce McClelland	1,281,878	US$4.2m	10.3%	no data
0.68%	First Wilshire Securities Management, Inc.	1,174,355	US$3.9m	-0.42%	1.2%
0.54%	Brandes Investment Partners, LP	930,779	US$3.1m	45.2%	0.02%
0.47%	Arrowstreet Capital, Limited Partnership	809,253	US$2.7m	29.6%	no data
0.46%	Jacobs Levy Equity Management Inc	805,531	US$2.7m	-5.32%	0.01%
0.44%	Northern Trust Global Investments	762,579	US$2.5m	-11.6%	no data
0.4%	Charles Schwab Investment Management, Inc.	694,314	US$2.3m	0.59%	no data
0.38%	Bruns Grayson	652,685	US$2.1m	10.6%	no data
0.29%	Niche Asset Management Limited	498,589	US$1.6m	0%	0.21%
0.25%	Federated Hermes, Inc.	432,205	US$1.4m	1.55%	no data
0.24%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	419,545	US$1.4m	-9.79%	no data
0.23%	BNY Asset Management	402,560	US$1.3m	-4.1%	no data
0.23%	Silverberg Bernstein Capital Management LLC	396,611	US$1.3m	-2.21%	1.28%