{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-163207","form_type":"8-K/A","ticker":"TECX","cik":"0001681087","company_name":"Tectonic Therapeutic, Inc.","filed_at":"2024-06-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.560466+00:00","generated_at":"2026-06-01T03:55:24.468691+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"AVROBIO merger with Tectonic delayed to June 20; 1-for-12 reverse split effective June 20; new ticker TECX","bullets":["Merger closing postponed from June 18 to around June 20, 2024.","Stockholders approved reverse split ratio of 1-for-12; effective June 20 at 4:00 p.m. ET.","No fractional shares; cash payment based on closing price prior to effective time.","Common stock to trade on split-adjusted basis under ticker TECX starting June 21, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-163207","json":"https://secwatch.observer/filing/0001193125-24-163207.json","markdown":"https://secwatch.observer/filing/0001193125-24-163207.md","text":"https://secwatch.observer/filing/0001193125-24-163207.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1681087/000119312524163207/0001193125-24-163207-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1681087/000119312524163207/d834577d8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T03:55:24.468691+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"}