---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-23-002010"
form_type: "8-K"
ticker: "TSLX"
cik: "0001508655"
company_name: "Sixth Street Specialty Lending, Inc."
filed_at: "2023-02-16T23:59:59+00:00"
generated_at: "2026-06-19T09:16:02.405284+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# TSLX Q4 NII $0.65; raises base dividend to $0.46, declares $0.09 supplemental

## Summary
- Q4 net investment income per share $0.65 (FY 2022: $2.13); net income per share $0.57 (FY: $1.38).
- Base dividend increased $0.01 to $0.46/share for Q1 2023 (record 3/15, payable 3/31).
- Supplemental dividend of $0.09/share for Q4 2022 (record 2/28, payable 3/20).
- Portfolio yield at fair value 13.5% (Sep 30: 12.3%); 98.9% floating-rate debt investments.
- NAV per share $16.48 at Dec 31 (Sep 30: $16.36); non-accrual <0.01% of portfolio.

## SEC filing metadata
- accession: 0001564590-23-002010
- form_type: 8-K
- ticker: TSLX
- cik: 0001508655
- company_name: Sixth Street Specialty Lending, Inc.
- filed_at: 2023-02-16T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1508655/000156459023002010/0001564590-23-002010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1508655/000156459023002010/tslx-8k_20230216.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-23-002010
- JSON: https://secwatch.observer/filing/0001564590-23-002010.json
- Plain text: https://secwatch.observer/filing/0001564590-23-002010.txt

## Key facts
- Earnings Releases
  Sixth Street Specialty Lending, Inc. reported the quarter ended December 31, 2022 results: net income $0.57 per share.
  - Period: the quarter ended December 31, 2022
  - Net income: $0.57 per share
  - Result: reported results
  source text: For the quarter ended December 31, 2022 net investment income and net income per share were $0.65 and $0.57, respectively.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1508655/000156459023002010/0001564590-23-002010-index.htm
- Earnings Releases
  Sixth Street Specialty Lending, Inc. reported the year ended December 31, 2022 results: net income net income of $1.38 per share.
  - Period: the year ended December 31, 2022
  - Net income: net income of $1.38 per share
  - Result: reported results
  source text: net investment income of $2.13 per share and net income of $1.38 per share, for the year ended December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1508655/000156459023002010/0001564590-23-002010-index.htm

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