secwatch.observer — SEC 8-K summary ====================================== Issuer: Ribbon Communications Inc. (RBBN) CIK: 0001708055 Form: 8-K Filed at: 2022-04-01T23:59:59+00:00 Accession: 0001104659-22-041790 Event type: leadership Sentiment: neutral Materiality: 0.25 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Krish Prabhu not standing for re-election to Ribbon board; board size to reduce to 8 -------------------------------------------------------------------------------- - Krish A. Prabhu will not stand for re-election at the 2022 annual meeting; he remains on board and committees until then. - Board size to be set at eight members effective as of the annual meeting, with no vacancy created. - Prabhu served on Ribbon's Board and committees; company thanked him for his leadership in IP Optical networking strategy. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465922041790/0001104659-22-041790-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1708055/000110465922041790/tm2211071d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-22-041790 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer