{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-149499","form_type":"8-K","ticker":"VCNX","cik":"0001205922","company_name":"VACCINEX, INC.","filed_at":"2023-05-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.171377+00:00","generated_at":"2026-06-14T19:29:18.857181+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Vaccinex files prospectus supplement for up to $4.39M ATM offering via Jefferies","bullets":["May offer and sell up to $4,391,000 of common stock from time to time.","Sales agent Jefferies LLC under existing Open Market Sale Agreement dated March 27, 2020.","Proceeds used for general corporate purposes and clinical development.","Hogan Lovells opinion on validity of shares attached as exhibit."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-149499","json":"https://secwatch.observer/filing/0001193125-23-149499.json","markdown":"https://secwatch.observer/filing/0001193125-23-149499.md","text":"https://secwatch.observer/filing/0001193125-23-149499.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1205922/000119312523149499/0001193125-23-149499-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1205922/000119312523149499/d465594d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T19:29:18.857181+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"}