13 insiders reported 140 Form 4 transactions for Ribbon Communications Inc. (RBBN) over the past 18 months (most recent 2026-06-17). Recent activity: INFANTE BEATRIZ V (Director) Buy 42,500 shares, EWING R STEWART JR (Director) Buy 42,500 shares, GRAYSON BRUNS H (Director) Buy 42,500 shares, Tamone Tanya (Director) Buy 42,500 shares, Mair Scott (Director) Buy 67,500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | INFANTE BEATRIZ V | Director | Buy | 42,500 | $0 |
| 2026-06-17 | EWING R STEWART JR | Director | Buy | 42,500 | $0 |
| 2026-06-17 | GRAYSON BRUNS H | Director | Buy | 42,500 | $0 |
| 2026-06-17 | Tamone Tanya | Director | Buy | 42,500 | $0 |
| 2026-06-17 | Mair Scott | Director | Buy | 67,500 | $0 |
| 2026-06-17 | SHANI SHAUL | Director | Buy | 42,500 | $0 |
| 2026-05-19 | Marmurek Eric S | EVP, Chief Financial Officer | Sell | 19,107 | $51,780 |
| 2026-05-19 | Marmurek Eric S | EVP, Chief Financial Officer | Buy | 48,328 | $0 |
| 2026-05-19 | McClelland Bruce William | Chief Executive Officer | Buy | 34,420 | $0 |
| 2026-05-19 | Macken Patrick W | EVP, Chief Legal Officer | Buy | 20,652 | $0 |
| 2026-05-19 | Bucci Sam | EVP, Chief Operating Officer | Sell | 13,818 | $37,447 |
| 2026-05-19 | McClelland Bruce William | Chief Executive Officer | Sell | 13,544 | $36,704 |
| 2026-05-19 | Bucci Sam | EVP, Chief Operating Officer | Buy | 25,815 | $0 |
| 2026-05-19 | Macken Patrick W | EVP, Chief Legal Officer | Sell | 9,252 | $25,073 |
| 2026-05-19 | Macken Patrick W | EVP, Chief Legal Officer | Buy | 34,202 | $0 |
| 2026-05-19 | McClelland Bruce William | Chief Executive Officer | Buy | 57,002 | $0 |
| 2026-05-19 | Bucci Sam | EVP, Chief Operating Officer | Buy | 42,753 | $0 |
| 2026-05-19 | Marmurek Eric S | EVP, Chief Financial Officer | Buy | 25,651 | $0 |
| 2026-05-19 | McClelland Bruce William | Chief Executive Officer | Sell | 22,429 | $60,783 |
| 2026-05-19 | Marmurek Eric S | EVP, Chief Financial Officer | Sell | 10,092 | $27,349 |
| 2026-05-19 | Bucci Sam | EVP, Chief Operating Officer | Sell | 22,884 | $62,016 |
| 2026-05-19 | Macken Patrick W | EVP, Chief Legal Officer | Sell | 15,322 | $41,523 |
| 2026-05-19 | Bucci Sam | EVP, Chief Operating Officer | Buy | 80,546 | $0 |
| 2026-05-19 | Macken Patrick W | EVP, Chief Legal Officer | Buy | 64,438 | $0 |
| 2026-05-19 | Marmurek Eric S | EVP, Chief Financial Officer | Buy | 23,146 | $0 |
Source: SEC Form 4 filings · as of 2026-06-17