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).
| 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.
| 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 |