Ribbon Communications RBBN Insider Ownership

NASDAQ RBBN

$1.51 +0.19 (+14.39%)

At close: Oct 19, 2026 · 4:00 PM EDT

Insider Holdings by Owner

87.41Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

33.17%

▲+0.015% pp QoQ

Shares Held by Insiders

59.31Mn

filed for Sep 2026

▲+0.04% QoQ

Shares Outstanding

178.77Mn

178,771,961 shares

Direct Holdings

7.27Mn

Indirect: 52.04Mn

Net Shares Traded (QoQ)

+26.18K

net buying in Sep 2026

Insiders Holding Shares

with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold

Latest quarter —

Net over range —

Buying quarters —

Insider Ownership Summary

Updated Oct 10, 2026

Over the past year, RBBN insiders bought $74,307 of stock (37K shares) on the open market and sold none.

Among Ribbon Communications' insiders, Bruce William McClelland (President & CEO) was the largest open-market buyer over the past 12 months, purchasing $74,307 of stock (37K shares), most recently on February 13, 2026.
Away from the open market, RBBN insiders received 92.45K shares in stock awards, acquired 3.48Mn shares through option exercises and conversions and gave up 1.39Mn shares to cover taxes or exercise prices over the last 12 months.
Per Business Quant, RBBN insiders together hold 59.31Mn shares based on their latest Form 4 filings, or 33.17% of the 178.77Mn shares outstanding; that total is up 0.04% from 59.28Mn shares at the end of Q2 2026 and up 4.29% from 56.86Mn shares at the end of Q3 2025.
Direct holdings account for 7.27Mn shares (12.26%) of RBBN's insider total, and indirect holdings through trusts, partnerships and family members for 52.04Mn shares (87.74%).
The insider holdings in Ribbon Communications belong to 14 insiders who have reported on Form 4 within the past two years.
Ribbon Communications' three biggest insider holders are JPMorgan Chase & Co (10% owner, 52.04Mn shares), Bruce William McClelland (Chief Executive Officer, 2.91Mn shares) and Bruns H. Grayson (Director, 840.27K shares), based on their latest Form 4 filings.
The holding of JPMorgan Chase & Co makes up 87.74% of all shares held by Ribbon Communications insiders.
A total of 33 Form 4 filings with transactions in Ribbon Communications stock were made over the past 12 months, by 13 insiders.
Insider figures for RBBN include Form 4 filings through July 15, 2026.

Form 4 Holdings

Insiders Holding RBBN

Insiders 19

Shares held 87.41Mn

Of outstanding 48.90%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Chase Co Jpmorgan	TenPercentOwner	0	52,036,572	52,036,572	59.5%	11 Apr, 2025
2	Investments Ltd. Swarth	TenPercentOwner	27,440,739	0	27,440,739	31.4%	03 Apr, 2023
3	Bruce William Mcclelland	Chief Executive Officer	2,909,454	0	2,909,454	3.3%	19 May, 2026
4	Bruns H Grayson	Director	840,270	0	840,270	1.0%	15 Jul, 2026
5	Sam Bucci	Evp, Chief Operating Officer	599,271	0	599,271	0.7%	19 May, 2026
6	Eric S Marmurek	Evp, Chief Financial Officer	543,706	0	543,706	0.6%	19 May, 2026
7	Patrick W Macken	Evp, Chief Legal Officer	482,146	0	482,146	0.6%	19 May, 2026
8	Miguel A Lopez	Evp, Cfo	456,797	0	456,797	0.5%	21 Oct, 2024
9	Beatriz V Infante	Director	385,724	0	385,724	0.4%	17 Jun, 2026
10	Steven M Bruny	Evp Sales, Americas Region	297,359	0	297,359	0.3%	19 Sep, 2022
11	Anthony Scarfo	Evp Gm, Cloud Edge Bu	252,431	0	252,431	0.3%	19 Sep, 2022
12	R Stewart Jr Ewing	Director	239,891	0	239,891	0.3%	17 Jun, 2026
13	Shaul Shani	Director	237,718	0	237,718	0.3%	15 Jul, 2026
14	Tanya Tamone	Director	223,300	0	223,300	0.3%	17 Jun, 2026
15	Scott Mair	Director	208,138	0	208,138	0.2%	17 Jun, 2026
16	John Raymond Townsend	Evp, Chief Financial Officer	93,309	0	93,309	0.1%	17 Apr, 2026
17	Krish A Prabhu	Director	58,477	0	58,477	0.1%	27 May, 2022
18	Beer Mariano De	Director	56,331	0	56,331	0.1%	16 Jun, 2023
19	Stephen J. Mccaffery	Evp, Sales Emea And Apac	50,025	0	50,025	0.1%	19 Sep, 2022

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

1,203 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
15 Jul, 2026	Bruns H Grayson	Director	Acquired A	14,423	—	—	840,270	Direct
15 Jul, 2026	Shaul Shani	Director	Acquired A	11,752	—	—	237,718	Direct
15 Jun, 2026	Eric S Marmurek	Evp, Chief Financial Officer	Acquired A	150,000	$0.00	$0	150,000	Direct
16 Jun, 2026	Shaul Shani	Director	Acquired M	42,500	—	—	225,966	Direct
15 Jun, 2026	Patrick W Macken	Evp, Chief Legal Officer	Acquired A	162,500	$0.00	$0	162,500	Direct
15 Jun, 2026	Stephen J. Mccaffery	Evp, Global Sales	Acquired A	200,000	$0.00	$0	200,000	Direct
16 Jun, 2026	Bruns H Grayson	Director	Acquired M	42,500	—	—	825,847	Direct
16 Jun, 2026	Tanya Tamone	Director	Acquired M	42,500	—	—	223,300	Direct
16 Jun, 2026	Scott Mair	Director	Acquired M	67,500	—	—	208,138	Direct
16 Jun, 2026	R Stewart Jr Ewing	Director	Acquired M	42,500	—	—	239,891	Direct
16 Jun, 2026	Beatriz V Infante	Director	Acquired M	42,500	—	—	385,724	Direct
15 Jun, 2026	Louis Silver	Director	Acquired A	63,197	$0.00	$0	63,197	Direct
15 Jun, 2026	Sam Bucci	Evp, Chief Operating Officer	Acquired A	250,000	$0.00	$0	250,000	Direct
15 Jun, 2026	Eric S Marmurek	Evp, Chief Financial Officer	Acquired A	90,000	$0.00	$0	90,000	Direct
15 Jun, 2026	Bruns H Grayson	Director	Acquired A	63,197	$0.00	$0	63,197	Direct
15 Jun, 2026	Shaul Shani	Director	Acquired A	63,197	$0.00	$0	63,197	Direct
15 Jun, 2026	Beatriz V Infante	Director	Acquired A	63,197	$0.00	$0	63,197	Direct
15 Jun, 2026	Tanya Tamone	Director	Acquired A	63,197	$0.00	$0	63,197	Direct
15 Jun, 2026	Stephen J. Mccaffery	Evp, Global Sales	Acquired A	120,000	$0.00	$0	120,000	Direct
15 Jun, 2026	Sam Bucci	Evp, Chief Operating Officer	Acquired A	150,000	$0.00	$0	150,000	Direct

Showing 1 to 20 of 1,203 transactions