{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-029653","form_type":"8-K","ticker":"BCSF","cik":"0001655050","company_name":"Bain Capital Specialty Finance, Inc.","filed_at":"2026-01-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.779105+00:00","generated_at":"2026-05-16T06:27:39.939114+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"BCSF issues $350M of 5.950% notes due 2031; proceeds to repay secured debt","bullets":["$350M aggregate principal, 5.950% notes due March 1, 2031, interest payable semi-annually.","Net proceeds of approximately $342.5M after underwriting discounts and estimated offering expenses.","Proceeds used to repay outstanding secured indebtedness and for general corporate purposes.","Notes are unsecured obligations, ranking senior to subordinated debt and pari passu with other unsecured unsubordinated debt.","Company may redeem notes in whole or in part at any time at defined redemption prices."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-029653","json":"https://secwatch.observer/filing/0001193125-26-029653.json","markdown":"https://secwatch.observer/filing/0001193125-26-029653.md","text":"https://secwatch.observer/filing/0001193125-26-029653.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/0001193125-26-029653-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/d12878d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T06:27:39.939114+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":"b932fdbcfb02d456ac4ea81c482deabb53f77e7f","claim":"Bain Capital Specialty Finance, Inc. incurred senior notes of $350,000,000 with U.S. Bank Trust Company, National Association at 5.950% maturing March 1, 2031.","evidence_excerpt":"The Fourth Supplemental Indenture relates to the Company's issuance of $350,000,000 aggregate principal amount of its 5.950% notes due 2031 (the “Notes”).","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/0001193125-26-029653-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$350,000,000"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Rate","value":"5.950%"},{"label":"Maturity","value":"March 1, 2031"},{"label":"Event","value":"incurrence"}]},{"claim_id":"fc1cb5ad8010f16a3d6781ee2895b884a658728e","claim":"Bain Capital Specialty Finance, Inc. entered into Fourth Supplemental Indenture with U.S. Bank Trust Company, National Association valued at $350,000,000 aggregate principal amount (effective 2026-01-29).","evidence_excerpt":"On January 29, 2026, Bain Capital Specialty Finance, Inc. (the “Company”) and U.S. Bank Trust Company, National Association (the “Trustee”), entered into a Fourth Supplemental Indenture (the “Fourth Supplemental Indenture”) to the Indenture between the Company and the Trustee, dated March 10, 2021 (the “Base Indenture,” and together with the Fourth Supplemental Indenture, the “Indenture”). The Fourth Supplemental Indenture relates to the Company’s issuance of $350,000,000 aggregate principal amount of its 5.950% notes due 2031 (the “Notes”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/0001193125-26-029653-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Value","value":"$350,000,000 aggregate principal amount"},{"label":"Effective","value":"2026-01-29"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}