{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-015524","form_type":"8-K","ticker":"RNTX","cik":"0001420565","company_name":"Rein Therapeutics, Inc.","filed_at":"2026-01-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.042626+00:00","generated_at":"2026-05-16T09:45:41.455046+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Rein Therapeutics issues $2.5M unsecured promissory note with 20% OID to Funicular Funds","bullets":["Issued $2.5M principal unsecured promissory note sold for $2M (20% original issue discount) to Funicular Funds, LP.","Note matures on earlier of next $10M+ equity closing or June 30, 2026; no periodic interest.","Proceeds from private placement provide working capital; note exempt under Section 4(a)(2) and Rule 506.","Agreement includes customary representations, warranties, and covenants; note is unsecured."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-015524","json":"https://secwatch.observer/filing/0001193125-26-015524.json","markdown":"https://secwatch.observer/filing/0001193125-26-015524.md","text":"https://secwatch.observer/filing/0001193125-26-015524.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1420565/000119312526015524/0001193125-26-015524-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1420565/000119312526015524/d80335d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T09:45:41.455046+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":"4ca8e4b6c6c975a2d89ad24cbd25a809e579c4df","claim":"Rein Therapeutics, Inc. incurred loan of $2,500,000 with Funicular Funds, LP at 20% original issue discount maturing the earlier of (i) the date of the closing of the next issuance and sale of securities of the Company, in a single transaction or series of related transactions.","evidence_excerpt":"the Company issued and sold to Funicular, in a private placement, an unsecured promissory note, dated January 15, 2026, in the original principal amount of $2,500,000 (the “Note”)","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1420565/000119312526015524/0001193125-26-015524-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"loan"},{"label":"Principal","value":"$2,500,000"},{"label":"Counterparty","value":"Funicular Funds, LP"},{"label":"Rate","value":"20% original issue discount"},{"label":"Maturity","value":"the earlier of (i) the date of the closing of the next issuance and sale of securities of the Company, in a single transaction or series of related transactions"},{"label":"Event","value":"incurrence"}]},{"claim_id":"baa51a2e86fdee7704273b6edb9de1e90add4553","claim":"Rein Therapeutics, Inc. entered into Purchase Agreement with Funicular Funds, LP valued at original principal amount of $2,500,000 (effective 2026-01-15).","evidence_excerpt":"On January 15, 2026, Rein Therapeutics, Inc. (the “Company”) entered into a securities purchase agreement (the “Purchase Agreement”) with Funicular Funds, LP, a Delaware limited partnership managed by Cable Car Capital, LP (“Funicular”), pursuant to which the Company issued and sold to Funicular, in a private placement, an unsecured promissory note, dated January 15, 2026, in the original principal amount of $2,500,000 (the “Note”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1420565/000119312526015524/0001193125-26-015524-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"Funicular Funds, LP"},{"label":"Value","value":"original principal amount of $2,500,000"},{"label":"Effective","value":"2026-01-15"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}