Ribbon Communications Inc provides communications technology to service providers and enterprises, offering software and high-performance hardware products, network solutions, and services for secure data and voice communications, as well as high-bandwidth networking for residential and enterprise customers across industries such as finance, education, government, utilities, and transportation. It operates through two segments: Cloud and Edge, which generate maximum revenue and deliver software-centric, cloud-native solutions for VoIP, VoLTE, VoNR, and unified communications, and IP Optical Networks, which support growing telecommunications traffic from 5G, distributed cloud computing, and other applications. The Company generates the majority of its revenue from the United States.
https://www.ribboncommunications.comSEC filings for RBBN on EDGAR
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 21 | 1,993,554 | |
| Option exercise | 12 | 560,000 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
49 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Eric S. Marmurek - Officer | Option exercise | Common Stock | 75,000 | - | - | |
| Eric S. Marmurek - Officer | Tax withholding / forfeiture | Common Stock | 29,512 | $3.81 | $112K | |
| Eric S. Marmurek - Officer | Option exercise | Restricted Stock Units (RSUs) | 75,000 | $0.00 | - | |
| Option exercise | Common Stock | 128,205 | - | - | ||
| Tax withholding / forfeiture | Common Stock | 50,448 | $3.81 | $192K | ||
| Option exercise | Restricted Stock Units (RSUs) | 128,205 | $0.00 | - | ||
| Grant or award | Common Stock | 7,236 | - | - | ||
| Grant or award | Restricted Stock Units (RSUs) | 185,210 | $0.00 | - | ||
| Dan Redington - Officer | Open-market sale | Common Stock | 20,000 | $4.16 | $83K | |
| Dan Redington - Officer | Open-market sale | Common Stock | 155,434 | $4.03 | $626K | |
| Dan Redington - Officer | Open-market sale | Common Stock | 14,176 | $4.02 | $57K | |
| Open-market sale | Common Stock | 8,690 | $3.98 | $35K | ||
| Bruns H. Grayson - Director | Grant or award | Common Stock | 8,416 | - | - | |
| Bruns H. Grayson - Director | Option exercise | Common Stock | 48,365 | - | - | |
| Bruns H. Grayson - Director | Grant or award | Restricted Stock Units (RSUs) | 42,500 | $0.00 | - | |
| Bruns H. Grayson - Director | Option exercise | RSUs | 48,365 | $0.00 | - | |
| R. Stewart Ewing Jr. - Director | Option exercise | Common Stock | 48,365 | - | - | |
| R. Stewart Ewing Jr. - Director | Grant or award | Restricted Stock Units (RSUs) | 42,500 | $0.00 | - | |
| R. Stewart Ewing Jr. - Director | Option exercise | RSUs | 48,365 | $0.00 | - | |
| Option exercise | Common Stock | 48,365 | - | - | ||
| Grant or award | Restricted Stock Units (RSUs) | 42,500 | $0.00 | - | ||
| Option exercise | RSUs | 48,365 | $0.00 | - | ||
| Bruns H. Grayson - Director | Grant or award | Common Stock | 8,609 | - | - | |
| Dan Redington - Officer | Option exercise | Common Stock | 20,833 | - | - | |
| Dan Redington - Officer | Tax withholding / forfeiture | Common Stock | 8,197 | $4.09 | $34K | |
| Dan Redington - Officer | Option exercise | Restricted Stock Units (RSUs) | 20,833 | $0.00 | - | |
| Patrick W. Macken - Officer | Option exercise | Common Stock | 20,652 | - | - | |
| Patrick W. Macken - Officer | Tax withholding / forfeiture | Common Stock | 9,252 | $3.38 | $31K | |
| Patrick W. Macken - Officer | Option exercise | Common Stock | 21,367 | - | - | |
| Patrick W. Macken - Officer | Tax withholding / forfeiture | Common Stock | 9,572 | $3.56 | $34K | |
| Patrick W. Macken - Officer | Option exercise | Restricted Stock Units (RSUs) | 20,652 | $0.00 | - | |
| Patrick W. Macken - Officer | Option exercise | RSUs | 21,367 | $0.00 | - | |
| Bruce William McClelland - Officer | Option exercise | Common Stock | 34,421 | - | - | |
| Bruce William McClelland - Officer | Tax withholding / forfeiture | Common Stock | 13,544 | $3.38 | $46K | |
| Bruce William McClelland - Officer | Option exercise | Restricted Stock Units (RSUs) | 34,421 | $0.00 | - | |
| Dan Redington - Officer | Option exercise | Common Stock | 18,071 | - | - | |
| Dan Redington - Officer | Tax withholding / forfeiture | Common Stock | 7,110 | $3.38 | $24K | |
| Dan Redington - Officer | Option exercise | Restricted Stock Units (RSUs) | 18,071 | $0.00 | - | |
| Miguel A. Lopez - Officer | Option exercise | Common Stock | 38,723 | - | - | |
| Miguel A. Lopez - Officer | Tax withholding / forfeiture | Common Stock | 15,237 | $3.38 | $52K | |
| Miguel A. Lopez - Officer | Option exercise | Common Stock | 26,709 | - | - | |
| Miguel A. Lopez - Officer | Tax withholding / forfeiture | Common Stock | 10,509 | $3.56 | $37K | |
| Miguel A. Lopez - Officer | Option exercise | Restricted Stock Units (RSUs) | 38,723 | $0.00 | - | |
| Miguel A. Lopez - Officer | Option exercise | RSUs | 26,709 | $0.00 | - | |
| Sam Bucci - Officer | Option exercise | Common Stock | 25,816 | - | - | |
| Sam Bucci - Officer | Tax withholding / forfeiture | Common Stock | 13,819 | $3.38 | $47K | |
| Sam Bucci - Officer | Option exercise | Common Stock | 26,709 | - | - | |
| Sam Bucci - Officer | Tax withholding / forfeiture | Common Stock | 14,297 | $3.56 | $51K | |
| Sam Bucci - Officer | Option exercise | Restricted Stock Units (RSUs) | 25,816 | $0.00 | - | |
| Sam Bucci - Officer | Option exercise | RSUs | 26,709 | $0.00 | - | |
| Eric S. Marmurek - Officer | Option exercise | Common Stock | 23,234 | - | - | |
| Eric S. Marmurek - Officer | Tax withholding / forfeiture | Common Stock | 9,142 | $3.38 | $31K | |
| Eric S. Marmurek - Officer | Option exercise | Common Stock | 13,355 | - | - | |
| Eric S. Marmurek - Officer | Tax withholding / forfeiture | Common Stock | 5,255 | $3.56 | $19K | |
| Eric S. Marmurek - Officer | Option exercise | Restricted Stock Units (RSUs) | 23,234 | $0.00 | - | |
| Eric S. Marmurek - Officer | Option exercise | RSUs | 13,355 | $0.00 | - | |
| Eric S. Marmurek - Officer | Grant or award | Restricted Stock Units (RSUs) | 150,000 | $0.00 | - | |
| Bruns H. Grayson - Director | Grant or award | Common Stock | 10,384 | - | - |
Ribbon Communications Inc. (RBBN) had 13 insider filings in the last 90 days, with the most recent on 2026-07-15. The full record for RBBN runs to 49 Form 4 filings, the earliest from 2024-10-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of RBBN were filed in the last 90 days. 3 purchases are on record for this company.
No insider sales of RBBN were filed in the last 90 days. 4 sales are on record for this company.
This page tracks RBBN Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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