STOCK TITAN
  1. Home
  2. Sec-filings
  3. TSLX
  4. [Form 4] Sixth Street Specialty Lending, Inc. Insider Trading Activity

Sixth Street Specialty Lending (TSLX) CEO discloses trust restructuring of indirect stake

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Sixth Street Specialty Lending CEO Robert J. Stanley reported a restructuring-type ownership change rather than a market trade. A family trust acquired limited partnership interests in TSL Equity Partners, L.P. for $344,200, increasing his indirect beneficial ownership in shares held through affiliated entities.

After these changes, he reports 21,000 shares of common stock held directly and 23,907.27 shares held indirectly through Sixth Street Specialty Lending Advisers, LLC, reflecting both the new interest and shares previously reported as directly owned.

Positive

  • None.

Negative

  • None.
Insider Stanley Robert J.
Role CEO
Type Security Shares Price Value
Other Common Stock 20,000 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 23,907.27 shares (Indirect, See Footnote); Common Stock — 21,000 shares (Direct, null)
Footnotes (1)
  1. Sixth Street Specialty Lending Advisers, LLC ("Advisers") directly holds 2,716,977 shares of common stock, $0.01 par value per share (the "Common Stock") of Sixth Street Specialty Lending, Inc. (the "Issuer"), including shares of Common Stock indirectly beneficially owned by the Reporting Person (through his limited partnership interest in TSL Equity Partners, L.P. ("TSL"), which is a member of Sixth Street Specialty Lending Advisers Holdings, LLC, which in turn is a member of Advisers). This transaction reflects the acquisition by a trust for the benefit of certain of the Reporting Person's family members of limited partnership interests in TSL from an existing limited partner. The number of shares of Issuer Common Stock reported as acquired reflects the Reporting Person's indirect beneficial ownership in the shares acquired through such limited partnership interest in TSL. In connection with the acquisition by the trust, the trust paid the transferors an aggregate of $344,200. Includes Reporting Person's indirect beneficial ownership of 3,907.27 Shares of the Issuer that Reporting Person previously reported as directly owned. Shares are held directly by Advisers.
Restructuring shares 20,000 shares Code J other transaction linked to trust acquisition
Indirect holdings after transaction 23,907.27 shares Indirect beneficial ownership reported after restructuring
Direct holdings after transaction 21,000 shares Common stock held directly by Robert J. Stanley
Advisers total holdings 2,716,977 shares Common stock held directly by Sixth Street Specialty Lending Advisers, LLC
Trust payment $344,200 Aggregate amount paid by family trust to existing limited partners
indirect beneficial ownership financial
"including shares of Common Stock indirectly beneficially owned by the Reporting Person"
limited partnership interests financial
"acquisition by a trust for the benefit of certain of the Reporting Person's family members of limited partnership interests in TSL"
An ownership stake in a limited partnership gives an investor the role of a limited partner who provides capital but does not run day-to-day operations; a separate general partner manages the business. It matters because limited partners share profits, losses, and tax benefits but generally cannot lose more than they invested and have little control or liquidity—think of it like quietly funding a small business while someone else manages it, with potential return and risk tied to the venture’s performance.
trust financial
"This transaction reflects the acquisition by a trust for the benefit of certain of the Reporting Person's family members"
Common Stock financial
"directly holds 2,716,977 shares of common stock, $0.01 par value per share"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
code J financial
"transaction code description: Other acquisition or disposition"
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Stanley Robert J.
(Last)(First)(Middle)
C/O SIXTH STREET SPECIALTY LENDING, INC.
2100 MCKINNEY AVENUE, SUITE 1500
(Street)
DALLAS TEXAS 75201
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Sixth Street Specialty Lending, Inc. [ TSLX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/28/2026J(1)20,000A(1)23,907.27(2)ISee Footnote(1)
Common Stock21,000D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Sixth Street Specialty Lending Advisers, LLC ("Advisers") directly holds 2,716,977 shares of common stock, $0.01 par value per share (the "Common Stock") of Sixth Street Specialty Lending, Inc. (the "Issuer"), including shares of Common Stock indirectly beneficially owned by the Reporting Person (through his limited partnership interest in TSL Equity Partners, L.P. ("TSL"), which is a member of Sixth Street Specialty Lending Advisers Holdings, LLC, which in turn is a member of Advisers). This transaction reflects the acquisition by a trust for the benefit of certain of the Reporting Person's family members of limited partnership interests in TSL from an existing limited partner. The number of shares of Issuer Common Stock reported as acquired reflects the Reporting Person's indirect beneficial ownership in the shares acquired through such limited partnership interest in TSL. In connection with the acquisition by the trust, the trust paid the transferors an aggregate of $344,200.
2. Includes Reporting Person's indirect beneficial ownership of 3,907.27 Shares of the Issuer that Reporting Person previously reported as directly owned. Shares are held directly by Advisers.
Remarks:
Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, the Reporting Person states that this filing shall not be an admission that the Reporting Person is the beneficial owner of any of the securities reported herein as indirectly owned, and the Reporting Person disclaims beneficial ownership of such securities except to the extent of the Reporting Person's pecuniary interest therein. (A). Anton Brett is signing on behalf of Robert J. Stanley pursuant to a Power of Attorney dated November 18, 2025.
/s/ Anton Brett, on behalf of Robert J. Stanley (A)05/29/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did TSLX CEO Robert J. Stanley report on this Form 4?

Robert J. Stanley reported a restructuring-type ownership change coded J, not an open-market trade. A family trust acquired limited partnership interests in TSL Equity Partners, L.P., increasing his indirect beneficial ownership in shares held through affiliated entities.

How many TSLX shares are indirectly owned by Robert J. Stanley after this filing?

After the transaction, Robert J. Stanley reports indirect beneficial ownership of 23,907.27 shares of Sixth Street Specialty Lending common stock. These shares are held through Sixth Street Specialty Lending Advisers, LLC, reflecting both newly acquired interests and amounts previously reported as directly owned.

What is Robert J. Stanley’s direct TSLX shareholding after the reported transactions?

Following the reported changes, Robert J. Stanley holds 21,000 shares of Sixth Street Specialty Lending common stock directly. This direct position is separate from his indirect beneficial ownership through affiliated investment entities disclosed in the same Form 4.

Were any TSLX shares bought or sold on the open market in this Form 4?

No open-market buys or sells are reported. The primary entry is a code J “other acquisition or disposition” reflecting an internal restructuring, where a family trust acquired limited partnership interests that change Robert J. Stanley’s indirect beneficial ownership.

How are Sixth Street Specialty Lending Advisers, LLC holdings described in this Form 4?

The filing states that Sixth Street Specialty Lending Advisers, LLC directly holds 2,716,977 shares of common stock. A portion of these shares is indirectly beneficially owned by Robert J. Stanley through his limited partnership interest in TSL Equity Partners, L.P., which is part of the Advisers ownership chain.