Every Form 4 that Sixth Street Specialty Lending, Inc. (TSLX) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow TSLX and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full TSLX filings page.
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.
Sixth Street Specialty Lending, Inc. Vice President Ross Anthony Bruck reported an open-market purchase of 8,000 shares of common stock at $17.76 per share. Following this buy, his directly held position in the company increased to 18,250 common shares.
Sixth Street Specialty Lending, Inc. insider Alan Waxman, a Vice President, reported significant open-market purchases of the company’s common stock through an indirect trust ownership. On March 9, the trust bought 200,000 shares at a weighted average price of $18.18 per share, followed by another 45,000 shares on March 10 at a weighted average price of $18.47 per share.
After these transactions, the trust’s holdings increased to 545,000 shares of common stock. A separate indirect holding of 2,714,266 shares is reported as being held by Sixth Street Specialty Lending Advisers, LLC, an entity managed through a chain of holding companies whose board currently includes Waxman as CEO.
Sixth Street Specialty Lending director Covington P. Emery reported an open-market purchase of 7,500 shares of common stock on March 6, 2026 at a weighted average price of $18.35 per share. Following this transaction, Emery directly owns 15,000 shares. The shares were bought in multiple trades within a price range of $18.32 to $18.35.
Sixth Street Specialty Lending, Inc. Vice President Alan Waxman reported indirect open-market purchases of a total of 300,000 shares of common stock through a trust. On March 6, 2026, the trust bought 200,000 shares at a weighted average price of $18.42 per share, and on March 5, 2026, it bought 100,000 shares at a weighted average price of $18.46 per share.
After these transactions, the trust held 300,000 shares. A separate holding line shows an indirect interest in 2,714,266 shares held by Sixth Street Specialty Lending Advisers, LLC, an entity managed through a structure in which Waxman serves as CEO of the top-level manager.
Sixth Street Specialty Lending, Inc. director and vice president David Stiepleman reported an open-market purchase of 20,200 shares of common stock on March 2, 2026 at a weighted average price of $17.65 per share. Following this transaction, he directly holds 25,735 shares of common stock.
The filing also notes 5,544.11 shares held indirectly through entities for which Mr. Stiepleman has pass-through voting power and no dispositive power. The purchased shares were acquired in multiple trades within a narrow price range between $17.64 and $17.665.
Sixth Street Specialty Lending, Inc. vice president Joshua Peck reported an open-market purchase of the company’s common stock. On March 2, 2026, he bought 2,840 shares at a price of $17.59 per share.
Following this transaction, Peck directly owns 3,140 shares of Sixth Street Specialty Lending common stock, reflecting increased personal exposure to the company’s equity.
Sixth Street Specialty Lending, Inc. vice president Steven Pluss bought additional company stock. On this Form 4, he reports an open-market purchase of 15,000 shares of common stock at a weighted average price of $17.72 per share, increasing his direct holdings to 51,500 shares. The shares were acquired in multiple trades between $17.49 and $17.95 per share.
Sixth Street Specialty Lending, Inc. officer Michael Graf reported an open-market purchase of the company's common stock. On the transaction date, he bought 1,000 shares at a price of $18.26 per share, increasing his direct holdings.
After this transaction, Graf directly owned a total of 7,204.7286 shares of common stock. This total includes shares that were issued to him through the company’s dividend reinvestment plan as of the date of the filing, reflecting both his purchase and accumulated reinvested dividends.
Sixth Street Specialty Lending, Inc. (TSLX) reported an insider share purchase by Co-CEO and director Robert J. Stanley. On 11/18/2025, he acquired 10,000 shares of common stock in an open market purchase at a price of $20.85 per share, as shown by transaction code "P" for a purchase. Following this transaction, he beneficially owns 24,907.27 shares of TSLX common stock in direct ownership form. The Form 4 is filed for one reporting person, and the signature is provided by Anton Brett under a power of attorney dated November 18, 2025.