SEC Filing Details

Document Details

Form

Filing Date

May 13, 2026

Document Date

May 11, 2026

Form Description

Statement of changes in beneficial ownership of securities

Filing Group

3,4,5

Company

Sixth Street Specialty Lending Inc.

Issuer

SIXTH STREET SPECIALTY LENDING, INC.

Filer

BRUCK ROSS ANTHONY

Filing Formats

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^*Assets under management (“AUM”) is presented as of 3/31/26, unless otherwise noted. AUM includes the net asset value, plus outstanding leverage and asset-based financing undrawn amounts, in respect of private investment funds, certain co-investment vehicles and accounts for which Sixth Street provides investment management or advisory services, as well as capital that such funds, vehicles and accounts have the right to call from investors pursuant to the terms of their capital commitments, and additional fundraising commitments and fund, vehicle and account liquidations through 3/31/2026. In the case of Sixth Street-managed business development companies, AUM reflects their total assets (i.e., gross of any fund-level liabilities) plus asset-based financing undrawn amounts, as well as capital that such companies have the right to call from investors pursuant to the terms of their capital commitments. With respect to Sixth Street-managed collateralized loan obligations, AUM reflects the face amount of debt and equity outstanding. AUM includes capital to be managed in connection with the strategic partnership discussed in the Sixth Street press release that can be accessed at sixthstreet.com. Effective 4/1/2025, Sixth Street has revised its methodology for calculating AUM. If AUM were calculated under the prior methodology, it would have been lower. Calculation of AUM differs from the calculation of regulatory assets under management in Form ADV filings and may differ from the AUM calculation methodologies used by other investment managers.