By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Sixth Street Specialty Lending, Inc. insiders have been one-way buyers this past year: eight people put roughly $11.2 million into the stock and nobody sold on the open market.
The largest purchase came from Waxman Alan (President), about $3.7 million. C-suite participation is part of the picture here.
No open-market insider buying or selling in the last full quarter. Insiders bought in 3 of the last 7 full quarters. On the institutional side, 242 funds reported holding TSLX at the end of Q2 2026, and funds were split between buying and selling.
Are insiders buying or selling TSLX stock?
In the last 12 months Sixth Street Specialty Lending, Inc. insiders made open-market purchases worth about $11.2 million and sales worth about $0. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in TSLX?
The most recent open-market insider trade in TSLX was filed on 2026-05-13.
How many institutions own TSLX?
242 investment managers reported holding TSLX in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded TSLX?
No congressional trades in TSLX were reported in the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).