TSLX insider buying
2 cluster buysSixth Street Specialty Lending, Inc. · Financials
When two or more insiders at Sixth Street Specialty Lending, Inc. buy TSLX on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in TSLX plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Feb 27 – Mar 10, 2026Detected Mar 10, 2026High conviction4 insidersTotal bought$10.8MMarket cap$1.7B
- May 21 – Aug 5, 2024Detected Aug 5, 20242 insidersTotal bought$300.8KMarket cap$1.6B
All notable open-market buys in TSLX
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| May 11, 2026 | Vice President | 8,000 | $17.76 | $142.1K | SEC ↗ |
| Mar 10, 2026 | Waxman Alancluster Vice President | 45,000 | $18.47 | $831.2K | SEC ↗ |
| Mar 9, 2026 | Waxman Alancluster Vice President | 200,000 | $18.18 | $3.6M | SEC ↗ |
| Mar 6, 2026 | Waxman Alancluster Vice President | 200,000 | $18.42 | $3.7M | SEC ↗ |
| Mar 6, 2026 | Covington P Emerycluster Director | 7,500 | $18.35 | $137.6K | SEC ↗ |
| Mar 5, 2026 | Waxman Alancluster Vice President | 100,000 | $18.46 | $1.8M | SEC ↗ |
| Mar 2, 2026 | Stiepleman Davidcluster Director, Vice President | 20,200 | $17.65 | $356.5K | SEC ↗ |
| Mar 2, 2026 | Vice President | 2,840 | $17.59 | $50.0K | SEC ↗ |
| Feb 27, 2026 | Pluss Stevencluster Vice President | 15,000 | $17.72 | $265.8K | SEC ↗ |
| Feb 26, 2026 | See Remarks | 1,000 | $18.26 | $18.3K | SEC ↗ |
| Nov 18, 2025 | Director, Co-CEO | 10,000 | $20.85 | $208.5K | SEC ↗ |
| Nov 20, 2024 | See Remarks | 1,000 | $20.53 | $20.5K | SEC ↗ |
| Aug 7, 2024 | See Remarks | 500 | $20.45 | $10.2K | SEC ↗ |
| Aug 5, 2024 | Slotkin Judy Scluster Director | 7,015 | $19.90 | $139.6K | SEC ↗ |
| May 21, 2024 | Covington P Emerycluster Director | 7,500 | $21.50 | $161.3K | SEC ↗ |
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TSLX insider buying — FAQ
- Are insiders buying TSLX stock?
- Yes — 9 distinct insiders have bought TSLX (Sixth Street Specialty Lending, Inc.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was May 13, 2026.
- How much TSLX stock have insiders bought?
- Insiders have bought a combined $11.5M of TSLX across 15 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in TSLX?
- A cluster buy is two or more distinct Sixth Street Specialty Lending, Inc. insiders — officers, directors, or 10% owners — each buying TSLX on the open market within a rolling window. TSLX has 2 detected cluster buys to date.
- Where does this TSLX insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in TSLX
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy TSLX within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding TSLX.