Ribbon Communications Inc.

RBBNNASDAQCommunication Services● Active

$2.90

+$0.07(+2.30%)

Market Cap$509922405

P/E Ratio—

52W High$4.29

52W Low$1.8

Avg Volume948K

Open$2.86

Beta1.31

Overview

Ribbon Communications Inc. (RBBN) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · RBBN · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.75

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 43%Active transactions only · RSU vesting excluded57% Sell ↓

Ribbon Communications Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

RBBN insider buying and selling by quarter

RBBN insider selling · RBBN insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

7.4M3.7M0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · RBBN ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

RBBN executive sell shares · RBBN board member insider trading · RBBN insider trading SEC filing

Showing 67 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
May 15, 2026	Macken Patrick W EVP, Chief Legal Officer	Option	54,168	—	—	506,143	Form 4
May 15, 2026	Macken Patrick W EVP, Chief Legal Officer	Other	24,267	$2.63	$64K	482,146	Form 4
May 15, 2026	Macken Patrick W EVP, Chief Legal Officer	Option	44,831	—	—	472,329	Form 4
May 15, 2026	Macken Patrick W EVP, Chief Legal Officer	Other	20,284	$2.63	$53K	452,245	Form 4
May 15, 2026	Macken Patrick W EVP, Chief Legal Officer	Option	32,790	—	—	442,186	Form 4
Apr 17, 2026	Macken Patrick W EVP, Chief Legal Officer	Option	64,438	—	—	438,264	Form 4
May 15, 2026	Macken Patrick W EVP, Chief Legal Officer	Other	14,688	$2.63	$39K	427,498	Form 4
Apr 17, 2026	Macken Patrick W EVP, Chief Legal Officer	Other	28,868	$2.71	$78K	409,396	Form 4
Apr 17, 2026	Macken Patrick W EVP, Chief Legal Officer	Option	34,202	—	—	389,148	Form 4
Apr 17, 2026	Macken Patrick W EVP, Chief Legal Officer	Other	15,322	$2.71	$42K	373,826	Form 4
Apr 17, 2026	Macken Patrick W EVP, Chief Legal Officer	Option	20,652	—	—	364,198	Form 4
Apr 17, 2026	Macken Patrick W EVP, Chief Legal Officer	Other	9,252	$2.71	$25K	354,946	Form 4
May 15, 2026	Bucci Sam EVP, Chief Operating Officer	Option	83,335	—	—	643,880	Form 4
May 15, 2026	Bucci Sam EVP, Chief Operating Officer	Other	44,609	$2.63	$117K	599,271	Form 4
May 15, 2026	Bucci Sam EVP, Chief Operating Officer	Option	52,743	—	—	588,778	Form 4
Apr 17, 2026	Bucci Sam EVP, Chief Operating Officer	Option	80,546	—	—	561,223	Form 4
May 15, 2026	Bucci Sam EVP, Chief Operating Officer	Other	28,233	$2.63	$74K	560,545	Form 4
May 15, 2026	Bucci Sam EVP, Chief Operating Officer	Option	38,578	—	—	556,685	Form 4
May 15, 2026	Bucci Sam EVP, Chief Operating Officer	Other	20,650	$2.63	$54K	536,035	Form 4
Apr 17, 2026	Bucci Sam EVP, Chief Operating Officer	Other	43,116	$2.71	$117K	518,107	Form 4
Apr 17, 2026	Bucci Sam EVP, Chief Operating Officer	Option	42,753	—	—	503,561	Form 4
Apr 17, 2026	Bucci Sam EVP, Chief Operating Officer	Other	22,884	$2.71	$62K	480,677	Form 4
Apr 17, 2026	Bucci Sam EVP, Chief Operating Officer	Option	25,815	—	—	474,626	Form 4
Apr 17, 2026	Bucci Sam EVP, Chief Operating Officer	Other	13,818	$2.71	$37K	460,808	Form 4
May 15, 2026	Marmurek Eric S EVP, Chief Financial Officer	Option	26,043	—	—	553,953	Form 4

Macken Patrick W

EVP, Chief Legal Officer

Option

Date

May 15

54,168

Price

—

Value

—

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Other

Date

May 15

24,267

Price

$2.63

Value

$64K

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Option

Date

May 15

44,831

Price

—

Value

—

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Other

Date

May 15

20,284

Price

$2.63

Value

$53K

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Option

Date

May 15

32,790

Price

—

Value

—

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Option

Date

Apr 17

64,438

Price

—

Value

—

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Other

Date

May 15

14,688

Price

$2.63

Value

$39K

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Other

Date

Apr 17

28,868

Price

$2.71

Value

$78K

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Option

Date

Apr 17

34,202

Price

—

Value

—

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Other

Date

Apr 17

15,322

Price

$2.71

Value

$42K

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Option

Date

Apr 17

20,652

Price

—

Value

—

View Form 4 on SEC.gov

Macken Patrick W

EVP, Chief Legal Officer

Other

Date

Apr 17

9,252

Price

$2.71

Value

$25K

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Option

Date

May 15

83,335

Price

—

Value

—

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Other

Date

May 15

44,609

Price

$2.63

Value

$117K

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Option

Date

May 15

52,743

Price

—

Value

—

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Option

Date

Apr 17

80,546

Price

—

Value

—

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Other

Date

May 15

28,233

Price

$2.63

Value

$74K

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Option

Date

May 15

38,578

Price

—

Value

—

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Other

Date

May 15

20,650

Price

$2.63

Value

$54K

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Other

Date

Apr 17

43,116

Price

$2.71

Value

$117K

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Option

Date

Apr 17

42,753

Price

—

Value

—

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Other

Date

Apr 17

22,884

Price

$2.71

Value

$62K

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Option

Date

Apr 17

25,815

Price

—

Value

—

View Form 4 on SEC.gov

Bucci Sam

EVP, Chief Operating Officer

Other

Date

Apr 17

13,818

Price

$2.71

Value

$37K

View Form 4 on SEC.gov

Marmurek Eric S

EVP, Chief Financial Officer

Option

Date

May 15

26,043

Price

—

Value

—

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About RBBN insider trading

RBBN insider trades

Ribbon Communications Inc. (RBBN) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including McClelland Bruce William (CEO · Director), Macken Patrick W (EVP, Chief Legal Officer), Bucci Sam (EVP, Chief Operating Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. RBBN insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Ribbon Communications Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

RBBN insider trading · 5 questions

The insiders of Ribbon Communications Inc. (RBBN) include executives and directors such as McClelland Bruce William (CEO · Director), Macken Patrick W (EVP, Chief Legal Officer), Bucci Sam (EVP, Chief Operating Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

RBBN board member insider tradingwho are RBBN insidersRBBN insider rosterRibbon Communications Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026