Robert J. Stanley - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Robert J. Stanley has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $208K.
Profile
Robert J. Stanley is a corporate insider at Sixth Street Specialty Lending, Inc. (TSLX). Stanley has reported 4 insider filings with the SEC since 2025. The most recent filing was in May 2026.
| Role | CEO |
|---|---|
| Notability | 20/100 |
Board memberships
- Sixth Street Specialty Lending, Inc.
Trading Pattern
InsiderAlpha's records for Robert J. Stanley go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $208K (1 buy totaling $208K). The largest single buy on record is $208K of TSLX in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Robert J. Stanley has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- CEO at Sixth Street Specialty Lending, Inc. (TSLX) - 1 filing, 2026
- Co-CEO at Sixth Street Specialty Lending, Inc. (TSLX) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-29 | TSLX | Sixth Street Specialty Lending, Inc. | J - Other acquisition / disposition | 20.0K | - | |
| 2025-11-20 | TSLX | Sixth Street Specialty Lending, Inc. | P - Open-market purchase | 10.0K | $20.85 | $208K |
Companies - Last 90 Days
- Sixth Street Specialty Lending, Inc. (TSLX) - 1 filing, last 2026-05-29
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Robert J. Stanley has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Alan Waxman - $10.00M of TSLX open-market activity in the last 12 months
- David Stiepleman - $357K of TSLX open-market activity in the last 12 months
- Steven Pluss - $266K of TSLX open-market activity in the last 12 months
- Ross Anthony Bruck - $142K of TSLX open-market activity in the last 12 months
- P. Emery Covington - $138K of TSLX open-market activity in the last 12 months
- Joshua Peck - $50K of TSLX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Saul B. Rosenthal
- Jack Ross
- Martine A. Rothblatt
- Saba Capital Management, L.P.
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
Frequently Asked Questions
Who is Robert J. Stanley?
Robert J. Stanley is a corporate insider at Sixth Street Specialty Lending, Inc. (TSLX). Stanley has reported 4 insider filings with the SEC since 2025. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Robert J. Stanley submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Robert J. Stanley been buying or selling stock?
Recorded transactions: 1 open-market purchase ($208K) and 0 open-market sales across all tracked filings.
Where can I see all of Robert J. Stanley's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Robert J. Stanley profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.