{"schema_version":"secwatch.filing_event.v1","accession":"0001580808-26-000048","form_type":"8-K","ticker":"ATEN","cik":"0001580808","company_name":"A10 Networks, Inc.","filed_at":"2026-09-14T13:05:49+00:00","discovered_at":"2026-09-14T13:07:00.460174+00:00","generated_at":"2026-09-14T13:07:11.328382+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"A10 Networks names Mary C. Henry to board, effective Oct 5, 2026","bullets":["Board size increased from five to six; Henry appointed to fill new seat.","Appointment effective October 5, 2026; term through 2027 annual meeting.","Henry to receive standard non-employee director compensation; no committee seats yet.","No arrangements or transactions under Item 404(a) reported."],"urls":{"canonical":"https://secwatch.observer/filing/0001580808-26-000048","json":"https://secwatch.observer/filing/0001580808-26-000048.json","markdown":"https://secwatch.observer/filing/0001580808-26-000048.md","text":"https://secwatch.observer/filing/0001580808-26-000048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1580808/000158080826000048/0001580808-26-000048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1580808/000158080826000048/aten-20260909.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-14T13:07:11.328382+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}