{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-044094","form_type":"8-K","ticker":"ATEC","cik":"0001350653","company_name":"Alphatec Holdings, Inc.","filed_at":"2025-03-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.410731+00:00","generated_at":"2026-05-25T17:05:21.967351+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Alphatec announces $300M convertible notes offering due 2030, repurchases part of 2026 notes","bullets":["Offers $300M aggregate principal of convertible senior notes due 2030; initial purchasers option for additional $50M.","Proceeds used to fund capped call transactions, repurchase outstanding 0.75% 2026 convertible notes, and general corporate purposes.","Concurrently repurchases a portion of its 0.75% convertible notes due 2026 in privately negotiated transactions.","Notes redeemable at ATEC's option after Mar 20, 2028 if stock exceeds 130% of conversion price.","Market information: ATEC estimates U.S. spine TAM at $8B, including $2B lumbar fusion and $1B lateral procedures."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-044094","json":"https://secwatch.observer/filing/0001193125-25-044094.json","markdown":"https://secwatch.observer/filing/0001193125-25-044094.md","text":"https://secwatch.observer/filing/0001193125-25-044094.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1350653/000119312525044094/0001193125-25-044094-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1350653/000119312525044094/d857473d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-25T17:05:21.967351+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"}