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Company profile

Ribbon Communications Inc. Insider Trading

RBBN

Every SEC Form 4 insider trading filing for Ribbon Communications Inc. (RBBN) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Services-Computer Integrated Systems Design
CIK
0001708055
Filings
143
Insiders
18
Last filing
2026-07-15
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on July 15, 2026, when Bruns H Grayson bought 14,423 shares. 143 filings from 18 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q3 23 to Q2 26. Ribbon Communications Inc. insiders are net sellers across the period shown.

PurchasesSales
Q3 23Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26$3.4MQ2 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $3.4M.

90 day insight

Over the last 90 days, Ribbon Communications Inc. insiders bought $0 across 2 transactions with no open-market sales.

  • Most active insider: Bruns H Grayson with 1 transaction totaling $0.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Jul 15, 2026Bruns H GraysonRBBN
Award
14,423——-3.7% 1m
Jul 15, 2026Shaul ShaniRBBN
Award
11,752——-3.7% 1m
Jun 16, 2026R Stewart Ewing JrRBBN
Option Exercise
42,500——-34.8% 3m
Jun 16, 2026Scott MairRBBN
Option Exercise
67,500——-34.8% 3m
Jun 16, 2026Beatriz Infante VRBBN
Option Exercise
42,500——-34.8% 3m

45 more transactions hidden

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Top insiders

By total value filed.

Sam BucciEVP, Chief Operating Officer3 filings−$246K
Patrick W MackenEVP, Chief Legal Officer2 filings−$92K

Institutional Ownership

Top 13F-HR holders of Ribbon Communications Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$27.6M
QoQ change
-81.2%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$9.2M
3.9M shares
#2
BlackRock, Inc.
CIK 0002012383
$5.7M
2.4M shares
#3
State Street Corp
CIK 0000093751
$4.5M
1.9M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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