{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-105083","form_type":"8-K","ticker":"EQ","cik":"0001746466","company_name":"Equillium, Inc.","filed_at":"2026-03-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.061596+00:00","generated_at":"2026-05-15T12:38:19.488885+00:00","sec_items":["1.01","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Equillium raises ~$35M in private placement with RA Capital to fund EQ504","bullets":["Issued 1,179,508 shares at $1.854/share and pre-funded warrant for up to 17,698,593 shares at $0.0001 exercise price.","Gross proceeds of approximately $35.0 million from RA Capital Healthcare Fund, L.P.","Closing expected on or about March 13, 2026, subject to customary conditions.","Net proceeds to fund development of EQ504 and for working capital and general corporate purposes.","Registration rights agreement to be filed with SEC within 30 days of closing; cash penalties for registration failures."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-105083","json":"https://secwatch.observer/filing/0001193125-26-105083.json","markdown":"https://secwatch.observer/filing/0001193125-26-105083.md","text":"https://secwatch.observer/filing/0001193125-26-105083.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1746466/000119312526105083/0001193125-26-105083-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1746466/000119312526105083/d125584d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T12:38:19.488885+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":[{"claim_id":"b05a1c3664b0000ff61ef56b08865f166e3db718","claim":"Equillium, Inc. entered into Securities Purchase Agreement with RA Capital Healthcare Fund, L.P. valued at approximately $35.0 million (effective 2026-03-11).","evidence_excerpt":"On March 11, 2026, Equillium, Inc., a Delaware corporation (the “Company”), entered into a Securities Purchase Agreement (the “Purchase Agreement”) with RA Capital Healthcare Fund, L.P. (the “Investor”), pursuant to which the Company agreed to sell and issue shares (“Shares”) of the Company’s common stock, par value $0.0001 (“Common Stock”), and a pre-funded warrant to purchase shares of Common Stock (“Warrant Shares”), in a private placement transaction (the “Private Placement”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1746466/000119312526105083/0001193125-26-105083-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"RA Capital Healthcare Fund, L.P."},{"label":"Value","value":"approximately $35.0 million"},{"label":"Effective","value":"2026-03-11"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}