SEC Form 4 · accession 0001708055-26-000051
Ribbon Communications Inc. · RBBN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Shaul Shani
Director
Period of report
Jun 15, 2026
Accepted (ET)
Jun 17, 2026 · 4:42 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001708055
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 16, 2026 | M | 42,500 | — | A | 225,966 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock Units (RSUs)F1,F2 | — | Jun 15, 2026 | A | 63,197 | A | — | — | Common Stock | 63,197 | 63,197 | D |
| RSUsF1,F3 | — | Jun 16, 2026 | M | 42,500 | D | — | — | Common Stock | 42,500 | 0 | D |
Explanation of responses
- F1Each RSU represents a contingent right to receive one share of the Issuer's common stock.
- F2The RSUs will vest on June 15, 2027, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2027 Annual Meeting of Stockholders (the "2027 Annual Meeting") occurs prior to June 15, 2027, and, at such 2027 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2027 Annual Meeting.
- F3The RSUs were awarded on June 16, 2025 and vested in full on June 16, 2026.