🕵️ Sixth Street Specialty Lending, Inc. ($TSLX)
SEC insider & ownership activity, last 12 months · CIK 1508655 · every row links its SEC filing
Over the last 12 months insiders bought $11.2M with no open-market selling against it. Waxman Alan bought $10.0M (Mar). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
8 buyers, $11.2M (11 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Waxman Alan | 4 | $10.0M | 0 | – | Mar 10, 2026 |
| Stiepleman David | 1 | $357K | 0 | – | Mar 2, 2026 |
| Pluss Steven | 1 | $266K | 0 | – | Feb 27, 2026 |
| Robert J. Stanley | 1 | $208K | 0 | – | Nov 18, 2025 |
| Bruck Ross Anthony | 1 | $142K | 0 | – | May 11, 2026 |
| Covington P Emery | 1 | $138K | 0 | – | Mar 6, 2026 |
| Peck Joshua | 1 | $50K | 0 | – | Mar 2, 2026 |
| Graf Michael | 1 | $18K | 0 | – | Feb 26, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Strs Ohio | 5.1% | 13G | Jul 8, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | Jun 18, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 21, 2026 | filing ↗ |
| Material agreement (1.01) | May 14, 2026 | filing ↗ |
| New financial obligation (2.03) | May 14, 2026 | filing ↗ |
| Other events (8.01) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 19, 2026 | filing ↗ |
| Other events (8.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Earnings (2.02) | Feb 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 12, 2026 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 4, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Nov 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Jul 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2025 | filing ↗ |