{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-283882","form_type":"8-K","ticker":"ADTN","cik":"0000926282","company_name":"ADTRAN Holdings, Inc.","filed_at":"2026-06-26T11:02:34+00:00","discovered_at":"2026-06-26T11:05:00.235581+00:00","generated_at":"2026-06-26T11:05:17.266256+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Adtran appoints Anne DelSanto to board effective July 1, 2026","bullets":["Board increased from 6 to 7 directors; DelSanto elected as independent member.","DelSanto appointed to Compensation Committee; qualifies as independent under Nasdaq.","She brings 30+ years of tech experience at Salesforce, Oracle, IBM in cloud, SaaS, AI.","Currently serves on board of Advanced Energy (AEIS); former public board roles at Juniper and New Relic.","Appointment aligns with Adtran's strategy into cloud infrastructure and AI-driven networking."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-283882","json":"https://secwatch.observer/filing/0001193125-26-283882.json","markdown":"https://secwatch.observer/filing/0001193125-26-283882.md","text":"https://secwatch.observer/filing/0001193125-26-283882.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/926282/000119312526283882/0001193125-26-283882-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/926282/000119312526283882/adtn-20260623.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T11:05:17.266256+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":"ae68c4406f","claim":"Anne DelSanto was elected as Director at ADTRAN Holdings, Inc..","evidence_excerpt":"voted unanimously to increase the size of the Board from six (6) to seven (7) directors and to elect Anne DelSanto to fill the vacancy created by the increase in the size of the Board, effective as of July 1, 2026","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/926282/000119312526283882/0001193125-26-283882-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"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"}