Ribbon Communications Inc. (RBBN) Insider Ownership

Historic Insider Ownership Trends

As of April 11, 2026, Ribbon Communications's top three insider holders are Chase Co Jpmorgan (TenPercentOwner, 52.04Mn shares), Investments Ltd. Swarth (TenPercentOwner, 27.44Mn shares), Bruce William Mcclelland (President Ceo, 1.52Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Chase Co Jpmorgan - 0 52,036,572 11 Apr, 2025
Investments Ltd. Swarth - 27,435,739 0 18 Aug, 2022
Bruce William Mcclelland President Ceo 1,516,164 0 13 Feb, 2026
Bruns H Grayson - 767,428 0 20 Jan, 2026
Miguel A Lopez Evp, Cfo 456,797 0 21 Oct, 2024
Sam Bucci Evp Coo 448,811 0 17 Oct, 2025
Eric S Marmurek Svp, Deputy Cfo And Cao 427,063 0 17 Oct, 2025
Patrick W Macken Evp, Clo Secretary 343,546 0 17 Oct, 2025
Beatriz V Infante - 343,224 0 08 Sep, 2025
Steven M Bruny Evp Sales, Americas Region 297,359 0 19 Sep, 2022
Anthony Scarfo Evp Gm, Cloud Edge Bu 252,431 0 19 Sep, 2022
R Stewart Jr Ewing - 197,391 0 18 Jun, 2025
Tanya Tamone - 180,800 0 18 Jun, 2025
Shaul Shani - 170,495 0 20 Jan, 2026
Scott Mair - 140,638 0 18 Jun, 2025
John Raymond Townsend Evp, Chief Financial Officer 77,757 0 17 Oct, 2025
Krish A Prabhu - 58,477 0 27 May, 2022
Beer Mariano De - 56,331 0 16 Jun, 2023
Stephen J. Mccaffery Evp, Sales Emea And Apac 50,025 0 19 Sep, 2022
Investments Ltd. Swarth - 5,000 0 03 Apr, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Feb, 2026 Bruce William Mcclelland Common Stock A 12,000 $2.06 1,491,164 D P
11 Feb, 2026 Bruce William Mcclelland Common Stock A 12,500 $1.99 1,503,664 D P
13 Feb, 2026 Bruce William Mcclelland Common Stock A 12,500 $1.98 1,516,164 D P
15 Jan, 2026 Bruns H Grayson Common Stock A 11,718 - 767,428 D A
15 Jan, 2026 Shaul Shani Common Stock A 9,548 - 170,495 D A
15 Dec, 2025 Eric S Marmurek Restricted Stock Units (RSUs) D 169,721 $0.00 169,721 D A
31 Oct, 2025 Stephen J. Mccaffery Restricted Stock Units (RSUs) A 432,027 $0.00 432,027 D A
31 Oct, 2025 Stephen J. Mccaffery RSUs A 108,006 $0.00 108,006 D A
31 Oct, 2025 Stephen J. Mccaffery Performance-Based RSUs (PSUs) A 64,804 $0.00 64,804 D A
31 Oct, 2025 Stephen J. Mccaffery PSUs A 43,202 $0.00 43,202 D A
15 Oct, 2025 Bruns H Grayson Common Stock A 8,881 - 755,710 D A
15 Oct, 2025 Eric S Marmurek Common Stock A 75,000 - 456,575 D M
17 Oct, 2025 Bruce William Mcclelland Common Stock A 34,421 - 1,492,708 D M
15 Oct, 2025 Shaul Shani Common Stock A 7,236 - 160,947 D A
17 Oct, 2025 Patrick W Macken Common Stock A 20,652 - 352,798 D M
15 Oct, 2025 John Raymond Townsend Common Stock A 128,205 - 128,205 D M
17 Oct, 2025 Sam Bucci Common Stock A 25,816 - 462,630 D M
17 Oct, 2025 Patrick W Macken Common Stock D 9,252 $3.81 343,546 D F
15 Oct, 2025 Shaul Shani Restricted Stock Units (RSUs) A 185,210 $0.00 185,210 D A
15 Oct, 2025 Eric S Marmurek Common Stock D 29,512 $3.81 427,063 D F