---
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"
generated_at: "2026-06-13T08:09:56.627545+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Appoints P. Emery Covington to board; board size increased to 10

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02, 5.03, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-187256
- JSON: https://secwatch.observer/filing/0001193125-23-187256.json
- Plain text: https://secwatch.observer/filing/0001193125-23-187256.txt

## Key facts
- Executive change
  P. Emery Covington was appointed as director at Sixth Street Specialty Lending, Inc..
  - Action: appointed
  - Role: director
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/1508655/000119312523187256/0001193125-23-187256-index.htm
- Governance Changes
  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).
  - Change: bylaw amendment
  - Effective: 2023-06-10
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/1508655/000119312523187256/0001193125-23-187256-index.htm

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