{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-161663","form_type":"8-K","ticker":"TECX","cik":"0001681087","company_name":"Tectonic Therapeutic, Inc.","filed_at":"2024-06-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.561077+00:00","generated_at":"2026-06-01T04:21:02.546825+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"AVROBIO approves 1-for-12 reverse stock split; merger with Tectonic to close June 18","bullets":["Reverse stock split at 1-for-12 ratio effective 4:00 pm ET on June 18, 2024.","Merger with Tectonic anticipated to close on or around June 18, 2024.","Common stock to trade on Nasdaq under ticker TECX starting June 20, 2024.","Fractional shares cashed out based on closing price before the effective time.","Outstanding equity awards under company plans adjusted proportionally."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-161663","json":"https://secwatch.observer/filing/0001193125-24-161663.json","markdown":"https://secwatch.observer/filing/0001193125-24-161663.md","text":"https://secwatch.observer/filing/0001193125-24-161663.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1681087/000119312524161663/0001193125-24-161663-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1681087/000119312524161663/d844856d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T04:21:02.546825+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"}