{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-155492","form_type":"8-K","ticker":"TSLX","cik":"0001508655","company_name":"Sixth Street Specialty Lending, Inc.","filed_at":"2025-07-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.168051+00:00","generated_at":"2026-05-18T09:26:56.141175+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Sixth Street Specialty Lending appoints John D. Hershey to Board, filling vacancy after John Ross retirement","bullets":["John D. Hershey appointed as Class II non-interested director effective June 30, 2025, term until 2028 annual meeting.","Hershey served as Director of Investments at Oregon State Treasury (2008-2023), managing multi-asset portfolios.","He joins Audit, Compensation, and Nominating & Governance committees.","Total board now ten directors, six non-interested persons.","Hershey also serves on boards of Talcott Financial Group, Blackstone funds, and OHSU Foundation."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-155492","json":"https://secwatch.observer/filing/0001193125-25-155492.json","markdown":"https://secwatch.observer/filing/0001193125-25-155492.md","text":"https://secwatch.observer/filing/0001193125-25-155492.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1508655/000119312525155492/0001193125-25-155492-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1508655/000119312525155492/d95962d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T09:26:56.141175+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"}