secwatch.observer — SEC 8-K summary
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Issuer:     Sixth Street Specialty Lending, Inc. (TSLX)
CIK:        0001508655
Form:       8-K
Filed at:   2026-02-23T23:59:59+00:00
Accession:  0001193125-26-063983
Event type: leadership
Sentiment:  neutral
Materiality: 0.55
Item codes: 5.02, 7.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Joshua Easterly to retire as Chairman and Co-CIO; Bo Stanley named Co-CIO of Adviser
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- Joshua Easterly not seeking re-election at May 21, 2026 Annual Meeting; will retire from Sixth Street effective June 30, 2026.
- Bo Stanley named Co-Chief Investment Officer of the Adviser; Easterly steps down as Co-CIO as of June 30, 2026.
- Investment team continues under Stanley, Co-Head Michael Griffin, and Co-Founding Partner Alan Waxman; no disagreement cited.
- Easterly will continue as Chairman of the Board until the Annual Meeting; Board to appoint successor Chairman.
- Internal letter from CEO Stanley expresses confidence in platform and team.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1508655/000119312526063983/0001193125-26-063983-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1508655/000119312526063983/d53156d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-063983

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer