// company-profile

Ribbon Communications Inc.

RBBN
ExchangeNasdaqSectorServices-Computer Integrated Systems DesignInc.DEFilings141Insiders18
// api This Ribbon Communications Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 31 insiders purchased shares. Buying was led by Mair Scott.

// 90-day insight

Over the last 90 days, Ribbon Communications Inc. insiders bought $0 (44 transactions) and sold $345K (6 transactions).

  • Most active insider: Macken Patrick W with 12 transactions totaling $156K.
  • Largest single sale: $129K by McClelland Bruce William on May 15, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Ribbon Communications Inc. as of 2026-03-31

↓ decreasing
Total reported AUM
$146.8M
QoQ change
-57.3%
Reporting period
2026-03-31
#1
NEUBERGER BERMAN GROUP LLC
CIK 1465109
$32.5M
17.0M shares
#2
PARADIGM CAPITAL MANAGEMENT INC/NY
CIK 1037792
$16.7M
7.9M shares
#3
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$13.1M
6.2M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 16, 2026Mair ScottRBBN
Option Exercise
67,500$0.00$0K
Jun 16, 2026Tamone TanyaRBBN
Option Exercise
42,500$0.00$0K
Jun 16, 2026SHANI SHAULRBBN
Option Exercise
42,500$0.00$0K
Jun 16, 2026GRAYSON BRUNS HRBBN
Option Exercise
42,500
Jun 16, 2026EWING R STEWART JRRBBN
Option Exercise
42,500$0.00$0K

45 more transactions hidden

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