---
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"
generated_at: "2026-05-18T09:26:56.141175+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Sixth Street Specialty Lending appoints John D. Hershey to Board, filling vacancy after John Ross retirement

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-155492
- JSON: https://secwatch.observer/filing/0001193125-25-155492.json
- Plain text: https://secwatch.observer/filing/0001193125-25-155492.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.