Ribbon Communications RBBN Insider Ownership

NASDAQ RBBN

$1.38 -0.06 (-4.31%)

As of: Nov 10, 2026 · 12:20 PM EST

Insider Holdings by Owner

87.83Mn Shares

Chase Co Jpmorgan52.04Mn59.2%

Investments Ltd. Swarth27.44Mn31.2%

Bruce William Mcclelland2.97Mn3.4%

Bruns H Grayson859.45K1.0%

Sam Bucci599.27K0.7%

Other insiders (14)3.92Mn4.5%

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

33.15%

▼-0.014% pp QoQ

Shares Held by Insiders

59.31Mn

filed for Sep 2026

▲+0.04% QoQ

Shares Outstanding

178.93Mn

178,927,911 shares

Direct Holdings

7.27Mn

Indirect: 52.04Mn

Net Open-Market Trades

no open-market trades 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 —

Open-Market Insider Trades

Bought Sold

Latest quarter —

Net over range —

Net-buying quarters —

Insider Ownership Summary

Updated Nov 5, 2026

Over the past year, RBBN insiders bought $170,547 of stock (97K 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 $170,547 of stock (97K shares), most recently on October 30, 2026.
Away from the open market, RBBN insiders received 111.13K shares in stock awards, acquired 3.57Mn shares through option exercises and conversions and gave up 1.36Mn shares to cover taxes or exercise prices over the last 12 months.
Per Business Quant, RBBN insiders together hold 59.27Mn shares based on their latest Form 4 filings, or 33.12% of the 178.93Mn shares outstanding; that total is down 0.02% from 59.28Mn shares at the end of Q2 2026 and up 4.13% from 56.91Mn shares at the end of Q3 2025.
Direct holdings account for 7.23Mn shares (12.20%) of RBBN's insider total, and indirect holdings through trusts, partnerships and family members for 52.04Mn shares (87.80%).
The insider holdings in Ribbon Communications belong to 13 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 (President & CEO, 2.97Mn shares) and Bruns H. Grayson (Director, 859.45K shares), based on their latest Form 4 filings.
The holding of JPMorgan Chase & Co makes up 87.80% of all shares held by Ribbon Communications insiders.
A total of 30 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 November 3, 2026.

Form 4 Holdings

Insiders Holding RBBN

Insiders 19

Shares held 87.83Mn

Of outstanding 49.09%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Chase Co Jpmorgan	TenPercentOwner	0	52,036,572	52,036,572	59.2%	11 Apr, 2025
2	Investments Ltd. Swarth	TenPercentOwner	27,440,739	0	27,440,739	31.2%	03 Apr, 2023
3	Bruce William Mcclelland	President Ceo	2,969,454	0	2,969,454	3.4%	02 Nov, 2026
4	Bruns H Grayson	Director	859,446	0	859,446	1.0%	19 Oct, 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	566,450	0	566,450	0.6%	19 Oct, 2026
7	Patrick W Macken	Evp, Chief Legal Officer	482,146	0	482,146	0.5%	19 May, 2026
8	Miguel A Lopez	Evp, Cfo	456,797	0	456,797	0.5%	21 Oct, 2024
9	Shaul Shani	Director	438,553	0	438,553	0.5%	19 Oct, 2026
10	Beatriz V Infante	Director	385,724	0	385,724	0.4%	17 Jun, 2026
11	Steven M Bruny	Evp Sales, Americas Region	297,359	0	297,359	0.3%	19 Sep, 2022
12	Anthony Scarfo	Evp Gm, Cloud Edge Bu	252,431	0	252,431	0.3%	19 Sep, 2022
13	R Stewart Jr Ewing	Director	239,891	0	239,891	0.3%	17 Jun, 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	Stephen J. Mccaffery	Evp, Global Sales	163,526	0	163,526	0.2%	03 Nov, 2026
17	John Raymond Townsend	Evp, Chief Financial Officer	93,309	0	93,309	0.1%	17 Apr, 2026
18	Krish A Prabhu	Director	58,477	0	58,477	0.1%	27 May, 2022
19	Beer Mariano De	Director	56,331	0	56,331	0.1%	16 Jun, 2023

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

1,217 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
31 Oct, 2026	Stephen J. Mccaffery	Evp, Global Sales	Acquired M	36,003	—	—	123,203	Direct
31 Oct, 2026	Stephen J. Mccaffery	Evp, Global Sales	Disposed F	16,921	$1.55	$26.23K	106,282	Direct
31 Oct, 2026	Stephen J. Mccaffery	Evp, Global Sales	Acquired M	108,006	—	—	214,288	Direct
31 Oct, 2026	Stephen J. Mccaffery	Evp, Global Sales	Disposed F	50,762	$1.55	$78.68K	163,526	Direct
31 Oct, 2026	Stephen J. Mccaffery	Evp, Global Sales	Disposed M	36,003	$0.00	$0	72,003	Direct
31 Oct, 2026	Stephen J. Mccaffery	Evp, Global Sales	Disposed M	108,006	$0.00	$0	324,021	Direct
30 Oct, 2026	Bruce William Mcclelland	President Ceo	Acquired P	60,000	$1.60	$96.24K	2,969,454	Direct
15 Oct, 2026	Eric S Marmurek	Evp, Chief Financial Officer	Acquired M	37,500	—	—	581,206	Direct
15 Oct, 2026	Shaul Shani	Director	Acquired A	15,625	—	—	253,343	Direct
15 Oct, 2026	Bruns H Grayson	Director	Acquired A	19,176	—	—	859,446	Direct
15 Oct, 2026	Eric S Marmurek	Evp, Chief Financial Officer	Disposed F	14,756	$1.46	$21.54K	566,450	Direct
15 Oct, 2026	Shaul Shani	Director	Acquired M	185,210	—	—	438,553	Direct
15 Oct, 2026	Shaul Shani	Director	Disposed M	185,210	$0.00	$0	0	Direct
15 Oct, 2026	Eric S Marmurek	Evp, Chief Financial Officer	Disposed M	37,500	$0.00	$0	0	Direct
15 Jul, 2026	Shaul Shani	Director	Acquired A	11,752	—	—	237,718	Direct
15 Jul, 2026	Bruns H Grayson	Director	Acquired A	14,423	—	—	840,270	Direct
15 Jun, 2026	Stephen J. Mccaffery	Evp, Global Sales	Acquired A	200,000	$0.00	$0	200,000	Direct
15 Jun, 2026	Louis Silver	Director	Acquired A	63,197	$0.00	$0	63,197	Direct
15 Jun, 2026	Patrick W Macken	Evp, Chief Legal Officer	Acquired A	162,500	$0.00	$0	162,500	Direct
16 Jun, 2026	R Stewart Jr Ewing	Director	Acquired M	42,500	—	—	239,891	Direct

Showing 1 to 20 of 1,217 transactions