Blackstone Secured Lending Fund's three largest insider shareholders as of September 09, 2026 are Brad Marshall (Ceo, 186.01K shares), Robert J Bass (Other, 25.11K shares), Katherine Rubenstein (Chief Operating Officer, 5.77K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Brad Marshall | Ceo | 186,014 | 0 | 186,014 | 82.8% | 22 Nov, 2022 |
| 2 | Robert J Bass | Other | 25,107 | 0 | 25,107 | 11.2% | 13 May, 2026 |
| 3 | Katherine Rubenstein | Chief Operating Officer | 5,771 | 0 | 5,771 | 2.6% | 11 Mar, 2026 |
| 4 | Carlos Whitaker | President | 3,895 | 0 | 3,895 | 1.7% | 30 May, 2023 |
| 5 | James Frederic Clark | Other | 2,750 | 0 | 2,750 | 1.2% | 12 Mar, 2026 |
| 6 | Lucie Enns | Officer | 1,045 | 0 | 1,045 | 0.5% | 16 Mar, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 12 May, 2026 | Robert J Bass | Other | Acquired P | 2,095 | $23.80 | $49.85K | 25,107 | Direct |
| 13 Mar, 2026 | Lucie Enns | Officer | Acquired P | 1,045 | $23.48 | $24.54K | 1,045 | Direct |
| 13 Mar, 2026 | Lucie Enns | Officer | Acquired P | 1,045 | $23.48 | $24.54K | 1,045 | Direct |
| 13 Mar, 2026 | Lucie Enns | Officer | Acquired P | 1,045 | $23.48 | $24.54K | 1,045 | Direct |
| 13 Mar, 2026 | Lucie Enns | Officer | Acquired P | 1,045 | $23.48 | $24.54K | 1,045 | Direct |
| 11 Mar, 2026 | James Frederic Clark | Other | Acquired P | 750 | $23.78 | $17.84K | 2,750 | Direct |
| 11 Mar, 2026 | James Frederic Clark | Other | Acquired P | 750 | $23.78 | $17.84K | 2,750 | Direct |
| 11 Mar, 2026 | James Frederic Clark | Other | Acquired P | 750 | $23.78 | $17.84K | 2,750 | Direct |
| 11 Mar, 2026 | James Frederic Clark | Other | Acquired P | 750 | $23.78 | $17.84K | 2,750 | Direct |
| 10 Mar, 2026 | Katherine Rubenstein | Chief Operating Officer | Acquired P | 1,035 | $24.08 | $24.92K | 5,771 | Direct |
| 10 Mar, 2026 | Katherine Rubenstein | Chief Operating Officer | Acquired P | 1,035 | $24.08 | $24.92K | 5,771 | Direct |
| 10 Mar, 2026 | Katherine Rubenstein | Chief Operating Officer | Acquired P | 1,035 | $24.08 | $24.92K | 5,771 | Direct |
| 10 Mar, 2026 | Katherine Rubenstein | Chief Operating Officer | Acquired P | 1,035 | $24.08 | $24.92K | 5,771 | Direct |
| 11 Nov, 2025 | James Frederic Clark | Other | Acquired P | 2,000 | $26.68 | $53.36K | 2,000 | Direct |
| 11 Nov, 2025 | James Frederic Clark | Other | Acquired P | 2,000 | $26.68 | $53.36K | 2,000 | Direct |
| 11 Nov, 2025 | James Frederic Clark | Other | Acquired P | 2,000 | $26.68 | $53.36K | 2,000 | Direct |
| 11 Nov, 2025 | James Frederic Clark | Other | Acquired P | 2,000 | $26.68 | $53.36K | 2,000 | Direct |
| 06 Oct, 2025 | Robert J Bass | Other | Acquired P | 3,760 | $26.63 | $100.13K | 21,167 | Direct |
| 13 May, 2025 | Robert J Bass | Other | Acquired P | 1,626 | $30.78 | $50.05K | 17,403 | Direct |
| 26 May, 2023 | Carlos Whitaker | President | Acquired P | 3,895 | $25.68 | $100.02K | 3,895 | Direct |