{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-098554","form_type":"8-K","ticker":"RBBN","cik":"0001708055","company_name":"Ribbon Communications Inc.","filed_at":"2022-09-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:56.730636+00:00","generated_at":"2026-06-23T12:59:30.190537+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Ribbon Communications appoints Scott Mair, former AT&T President, to Board of Directors","bullets":["Scott Mair appointed to Board effective Sept 7, 2022; Board size increased to nine members.","Mair replaces Bruns Grayson on Audit Committee; Grayson remains on Board and other committees.","Mair had 37-year career at AT&T, most recently as President, Networks and Engineering; led 5G launch.","Mair receives annual retainer of $60,000 plus committee fees; restricted share units valued at $120,000 pro-rated.","Appointment made pursuant to Stockholders Agreement with JPMorgan Chase & Co. affiliated stockholders."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-098554","json":"https://secwatch.observer/filing/0001104659-22-098554.json","markdown":"https://secwatch.observer/filing/0001104659-22-098554.md","text":"https://secwatch.observer/filing/0001104659-22-098554.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708055/000110465922098554/0001104659-22-098554-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708055/000110465922098554/tm2225449d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T12:59:30.190537+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"9e5d9b0683","claim":"Scott Mair was appointed as Director at Ribbon Communications Inc..","evidence_excerpt":"On September 7, 2022, the Board of Directors (the “ Board ”) of Ribbon Communications Inc. (the “ Company ”) elected to increase the size of the Board to nine members and appointed Scott Mair to serve as a member of the Board until the 2023 meeting of the Company’s stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708055/000110465922098554/0001104659-22-098554-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}