Sixth Street Specialty Lending, Inc.
TSLX- Exchange
- NYSE
- SEC CIK
- 0001508655
No open-market purchases or sales by Sixth Street Specialty Lending, Inc. insiders were filed in the last 90 days; 242 institutions reported holding it in 13F filings for Q2 2026, worth $907.1M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Sixth Street Specialty Lending, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Sixth Street Specialty Lending, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Stanley Robert J. | CEO | 23,907Indirect | May 29, 2026 | 2 |
| Bruck Ross Anthony | Vice President | 18,250 | May 13, 2026 | 1 |
| Waxman Alan | Vice President | 545,000Indirect | Mar 11, 2026 | 2 |
| Covington P Emery | Director | 15,000 | Mar 10, 2026 | 1 |
| Stiepleman David | Vice President | 25,735 | Mar 4, 2026 | 1 |
| Pluss Steven | Vice President | 51,500 | Mar 3, 2026 | 1 |
| Peck Joshua | Vice President | 3,140 | Mar 3, 2026 | 1 |
| Graf Michael | See Remarks | 7,205 | Mar 2, 2026 | 1 |
| Slotkin Judy S | Director | 18,726 | Aug 7, 2024 | 0 |
| Doddy Hurley | Director | 15,241 | Mar 15, 2023 | 0 |
| Brett Anton | Chief Compliance Officer | 500 | Aug 22, 2022 | 0 |
| Simmonds Ian | Chief Financial Officer | 4,996 | Aug 9, 2022 | 0 |
| Gordon Jennifer | Vice President | 2,500 | May 26, 2022 | 0 |
| Higginbotham Richard A | Director | 4,000Indirect | Mar 9, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 (view filing) | May 11 | 2 days | Bruck Ross AnthonyVice President | PPurchase | +8.00K | $17.76 | +$142.1K | +78.0%18.3K after | |
| Mar 11, 2026 (view filing) | Mar 9-10 | 2 days | Waxman AlanVice President | PPurchase | +245.0K | $18.23 | +$4.47M | +81.7%545.0K after | 2 lots |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Covington P EmeryDirector | PPurchase | +7.50K | $18.35 | +$137.6K | +100.0%15.0K after | |
| Mar 9, 2026 (view filing) | Mar 5-6 | 4 days | Waxman AlanVice President | PPurchase | +300.0K | $18.43 | +$5.53M | New position300.0K after | 2 lots |
| Mar 4, 2026 (view filing) | Mar 2 | 2 days | Stiepleman DavidVice President | PPurchase | +20.2K | $17.65 | +$356.5K | +365.0%25.7K after | |
| Mar 3, 2026 (view filing) | Mar 2 | 1 day | Peck JoshuaVice President | PPurchase | +2.84K | $17.59 | +$50.0K | +946.7%3.14K after | |
| Mar 3, 2026 (view filing) | Feb 27 | 4 days | Pluss StevenVice President | PPurchase | +15.0K | $17.72 | +$265.8K | +41.1%51.5K after | |
| Mar 2, 2026 (view filing) | Feb 26 | 4 days | Graf MichaelSee Remarks | PPurchase | +1.00K | $18.26 | +$18.3K | +16.1%7.20K after | |
| Nov 20, 2025 (view filing) | Nov 18 | 2 days | Stanley Robert J.Co-CEO | PPurchase | +10.0K | $20.85 | +$208.5K | +67.1%24.9K after | |
| Nov 22, 2024 (view filing) | Nov 20 | 2 days | Graf MichaelSee Remarks | PPurchase | +1.00K | $20.53 | +$20.5K | +21.7%5.61K after | |
| Aug 9, 2024 (view filing) | Aug 7 | 2 days | Graf MichaelSee Remarks | PPurchase | +500 | $20.45 | +$10.2K | +12.5%4.50K after | |
| Aug 7, 2024 (view filing) | Aug 5 | 2 days | Slotkin Judy SDirector | PPurchase | +7.01K | $19.90 | +$139.6K | +59.9%18.7K after | |
| May 22, 2024 (view filing) | May 21 | 1 day | Covington P EmeryDirector | PPurchase | +7.50K | $21.50 | +$161.3K | New position7.50K after | |
| Mar 15, 2023 (view filing) | Mar 13 | 2 days | Doddy HurleyDirector | PPurchase | +2.90K | $17.51 | +$50.8K | +23.5%15.2K after | |
| Mar 13, 2023 (view filing) | Mar 9-10 | 4 days | Graf MichaelSee Remarks (1) | PPurchase | +3.50K | $18.12 | +$63.4K | New position3.50K after | 2 lots |
| Aug 22, 2022 (view filing) | Aug 18 | 4 days | Brett AntonChief Compliance Officer | PPurchase | +500 | $19.25 | +$9.63K | New position500 after | |
| Aug 10, 2022 (view filing) | Aug 8 | 2 days | Pluss StevenVice President | PPurchase | +10.0K | $19.04 | +$190.4K | +37.7%36.5K after | |
| Aug 9, 2022 (view filing) | Aug 5 | 4 days | Simmonds IanChief Financial Officer | PPurchase | +500 | $18.89 | +$9.45K | +11.1%5.00K after | |
| May 26, 2022 (view filing) | May 24 | 2 days | Gordon JenniferVice President | PPurchase | +2.50K | $19.91 | +$49.8K | New position2.50K after | |
| May 11, 2022 (view filing) | May 9 | 2 days | Simmonds IanChief Financial Officer | PPurchase | +500 | $20.99 | +$10.5K | +13.1%4.31K after | |
| Mar 10, 2022 (view filing) | Mar 8 | 2 days | Slotkin Judy SDirector | PPurchase | +850 | $23.13 | +$19.7K | +11.3%8.35K after | |
| Mar 9, 2022 (view filing) | Mar 7 | 2 days | Higginbotham Richard ADirector | PPurchase | +2.00K | $22.82 | +$45.6K | +100.0%4.00K after |