{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-21-037967","form_type":"8-K","ticker":"ATEC","cik":"0001350653","company_name":"Alphatec Holdings, Inc.","filed_at":"2021-07-26T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.800958+00:00","generated_at":"2026-06-30T02:30:56.432627+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"ATEC appoints Beth Altman to Board as Audit Chair; Don Williams resigns","bullets":["Donald A. Williams resigns from Board and as Audit Chair, effective Aug 11, 2021; resignation not due to any disagreement.","Beth Altman appointed as independent director and Audit Committee Chair, effective Aug 12, 2021.","Altman receives standard non-employee director compensation: initial $300k RSU grant vesting over 3 years.","Altman is former KPMG Managing Partner; brings life science and tech sector expertise."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-21-037967","json":"https://secwatch.observer/filing/0001564590-21-037967.json","markdown":"https://secwatch.observer/filing/0001564590-21-037967.md","text":"https://secwatch.observer/filing/0001564590-21-037967.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1350653/000156459021037967/0001564590-21-037967-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1350653/000156459021037967/atec-8k_20210720.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T02:30:56.432627+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":"bbf45bb37e","claim":"Beth Altman was appointed as Director; Chairman of Audit Committee at Alphatec Holdings, Inc..","evidence_excerpt":"On July 22, 2021, the Board appointed Beth Altman to fill the vacancy created by Mr. Williams’s resignation to serve as a director of the Company and as Chair of the Company’s Audit Committee for a term commencing on August 12, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1350653/000156459021037967/0001564590-21-037967-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director; Chairman of Audit Committee"}],"fact_type":"executive_change"},{"claim_id":"c4c6c2ab27","claim":"Donald A. Williams resigned as Director; Chairman of Audit Committee at Alphatec Holdings, Inc..","evidence_excerpt":"On July 20, 2021, the Company received written notice from Donald A. Williams of his resignation from the Board of Directors of the Company (the “Board”), effective August 11, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1350653/000156459021037967/0001564590-21-037967-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director; Chairman of Audit Committee"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}