Ribbon Communications Inc. (RBBN) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 02, 2026, the three most significant insider holders at Ribbon Communications are TenPercentOwner Chase & Co Jpmorgan (52.04Mn shares), President & Ceo Bruce William Mcclelland (1.48Mn shares), Director Bruns H Grayson (767.43K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Chase & Co Jpmorgan 52,036,572 11 Apr, 2025
Bruce William Mcclelland President & Ceo 1,479,164 17 Oct, 2025
Bruns H Grayson 767,428 20 Jan, 2026
Miguel A Lopez Evp And Cfo 456,797 21 Oct, 2024
Sam Bucci Evp & Coo 448,811 17 Oct, 2025
Eric S Marmurek Svp And Deputy Cfo And Cao 427,063 17 Oct, 2025
Patrick W Macken Evp And Clo & Secretary 343,546 17 Oct, 2025
Beatriz V Infante 343,224 08 Sep, 2025
Steven M Bruny Evp Sales And Americas Region 297,359 19 Sep, 2022
Anthony Scarfo Evp & Gm And Cloud & Edge Bu 252,431 19 Sep, 2022
R Stewart Jr Ewing 197,391 18 Jun, 2025
Tanya Tamone 180,800 18 Jun, 2025
Shaul Shani 170,495 20 Jan, 2026
Scott Mair 140,638 18 Jun, 2025
John Raymond Townsend Evp And Chief Financial Officer 77,757 17 Oct, 2025
Krish A Prabhu 58,477 27 May, 2022
Beer Mariano De 56,331 16 Jun, 2023
Stephen J. Mccaffery Evp And Sales Emea And Apac 50,025 19 Sep, 2022
Investments Ltd. Swarth 5,000 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
15 Jan, 2026 Shaul Shani Common Stock A 9,548 - 170,495 D A
15 Jan, 2026 Bruns H Grayson Common Stock A 11,718 - 767,428 D A
17 Oct, 2025 Bruce William Mcclelland Common Stock D 13,544 $3.81 1,479,164 D F
17 Oct, 2025 Bruce William Mcclelland Common Stock A 34,421 - 1,492,708 D M
17 Oct, 2025 Patrick W Macken - - 343,546 D
17 Oct, 2025 Patrick W Macken Common Stock A 20,652 - 352,798 D M
17 Oct, 2025 Patrick W Macken Common Stock D 9,252 $3.81 343,546 D F
17 Oct, 2025 Patrick W Macken - - 352,798 D
17 Oct, 2025 Sam Bucci Common Stock D 13,819 $3.81 448,811 D F
17 Oct, 2025 Sam Bucci Common Stock A 25,816 - 462,630 D M
15 Oct, 2025 Shaul Shani Common Stock A 7,236 - 160,947 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 D 29,512 $3.81 427,063 D F
15 Oct, 2025 Eric S Marmurek - - 456,575 D
15 Oct, 2025 Eric S Marmurek Common Stock A 75,000 - 456,575 D M
15 Oct, 2025 John Raymond Townsend - - 77,757 D
15 Oct, 2025 John Raymond Townsend Common Stock D 50,448 $3.81 77,757 D F
15 Oct, 2025 John Raymond Townsend Common Stock A 128,205 - 128,205 D M
08 Sep, 2025 Dan Redington - - 0 D
08 Sep, 2025 Dan Redington Common Stock D 14,176 $4.02 0 D S