TSLX insider trading

NYSE Financial Services

Sixth Street Specialty Lending, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
64
Last 90 days
10
Buys / sells
100% / 0%
Market cap
$1.67B

About Sixth Street Specialty Lending, Inc.

Sixth Street Specialty Lending, Inc. (NYSE: TSLX) is a business development company. The fund provides senior secured loans (first-lien, second-lien, and unitranche), unsecured loans, mezzanine debt, and investments in corporate bonds and equity securities and structured products, non-control structured equity, and common equity with a focus on co-investments for organic growth, acquisitions, market or product expansion, restructuring initiatives, recapitalizations, growth capital, buyout, and refinancing. The fund invests in business services, software & technology, healthcare, energy, consumer & retail, manufacturing, industrials, royalty related businesses, education, and specialty finance. The fund seeks to finance and lending to middle market companies principally located in the United States. The fund invests in companies with enterprise value between $50 million and $1000 million or more and EBITDA between $10 million and $250 million. The debt transaction size is between $15 million and $350 million. The fund invests across the spectrum of the capital structure and can arrange syndicated transactions of up to $500 million and hold sizeable positions within its credits.

Company website: www.sixthstreetspecialtylending.com

TSLX insider activity at a glance

FilingIQ has scored 64 insider transactions for TSLX since May 21, 2015. The most recent filing in our index is dated May 11, 2026.

Across the full history, 64 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on TSLX insider trades is 58.4/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest TSLX Form 4 filings

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Frequently asked

How many insider trades does FilingIQ track for TSLX?
FilingIQ tracks 64 Form 4 insider transactions for TSLX (Sixth Street Specialty Lending, Inc.), covering filings from May 21, 2015 onwards. 10 of those were filed in the last 90 days.
Are TSLX insiders net buyers or net sellers?
Across the full Form 4 history for TSLX, 64 transactions (100%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does TSLX insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is TSLX in?
Sixth Street Specialty Lending, Inc. (TSLX) is classified in the Financial Services sector, specifically Asset Management, with a current market capitalisation of $1.67B.

Methodology & sources

Every TSLX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.