{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-335921","form_type":"8-K","ticker":"ADPT","cik":"0001478320","company_name":"Adaptive Biotechnologies Corp","filed_at":"2025-12-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.492872+00:00","generated_at":"2026-05-16T11:58:35.723731+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Adaptive Biotechnologies subsidiary Digital Biotechnologies closes Series A up to $15M","bullets":["Digital Biotechnologies, 70%-owned subsidiary, held initial closing of Series A Preferred Stock financing.","Anticipated total proceeds of up to $15 million from the Series A round.","Upon completion, Adaptive expects to retain nearly 50% ownership and continue consolidating Digital's results.","Digital Biotechnologies is an early-stage company with no revenues and limited activities to date."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-335921","json":"https://secwatch.observer/filing/0001193125-25-335921.json","markdown":"https://secwatch.observer/filing/0001193125-25-335921.md","text":"https://secwatch.observer/filing/0001193125-25-335921.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1478320/000119312525335921/0001193125-25-335921-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1478320/000119312525335921/d81101d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T11:58:35.723731+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"}