{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-187256","form_type":"8-K","ticker":"TSLX","cik":"0001508655","company_name":"Sixth Street Specialty Lending, Inc.","filed_at":"2023-07-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.142247+00:00","generated_at":"2026-06-13T08:09:56.627545+00:00","sec_items":["5.02","5.03","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Appoints P. Emery Covington to board; board size increased to 10","bullets":["Board expanded from 9 to 10 directors; Covington appointed as Class II independent director effective June 10, 2023.","Ms. Covington retired EVP and Head of Commercial Credit Risk at Truist Bank; also served at NewStar Financial and Fleet Boston.","Covington appointed to Audit, Compensation, and Nominating & Corporate Governance committees.","Bylaws amended to increase maximum board size from 9 to 10, effective same date."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-187256","json":"https://secwatch.observer/filing/0001193125-23-187256.json","markdown":"https://secwatch.observer/filing/0001193125-23-187256.md","text":"https://secwatch.observer/filing/0001193125-23-187256.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1508655/000119312523187256/0001193125-23-187256-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1508655/000119312523187256/d513136d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T08:09:56.627545+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":"22dccc53a0","claim":"P. Emery Covington was appointed as director at Sixth Street Specialty Lending, Inc..","evidence_excerpt":"On June 10, 2023, the Board of Directors (the “Board”) of Sixth Street Specialty Lending, Inc. (the “Company”) increased the size of the Board from nine (9) to ten (10) directors, and appointed P. Emery Covington as a director to fill the vacancy.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1508655/000119312523187256/0001193125-23-187256-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"director"}],"fact_type":"executive_change"},{"claim_id":"31c7ce6c349654669c5da614009f7daabf454670","claim":"Sixth Street Specialty Lending, Inc.: Increased maximum board size from 9 to 10 and current board size from 9 to 10 (effective 2023-06-10).","evidence_excerpt":"On June 10, 2023, the Board of Directors approved amendments to the Company’s Bylaws effective as of that date to increase the maximum number of members of the Board of Directors from nine (9) to ten (10) and to increase the number of directors serving on the Board of Directors from nine (9) to ten (10).","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1508655/000119312523187256/0001193125-23-187256-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2023-06-10"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}