Blackstone Secured Lending Fund (BXSL) Insider Ownership

Historic Insider Ownership Trends

BXSL's three largest insider shareholders as of July 26, 2026 are Robert J Bass (Other, 21.17K shares), Katherine Rubenstein (Chief Operating Officer, 5.77K shares), Carlos Whitaker (President, 3.90K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Robert J Bass - 21,167 0 07 Oct, 2025
James Frederic Clark - 2,750 0 12 Mar, 2026
Katherine Rubenstein Chief Operating Officer 5,771 0 11 Mar, 2026
Carlos Whitaker President 3,895 0 30 May, 2023
Lucie Enns - 1,045 0 16 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Mar, 2026 Lucie Enns Common Shares of Beneficial Interest A 1,045 $23.48 1,045 D P
13 Mar, 2026 Lucie Enns Common Shares of Beneficial Interest A 1,045 $23.48 1,045 D P
13 Mar, 2026 Lucie Enns Common Shares of Beneficial Interest A 1,045 $23.48 1,045 D P
11 Mar, 2026 James Frederic Clark Common Shares of Beneficial Interest A 750 $23.78 2,750 D P
11 Mar, 2026 James Frederic Clark Common Shares of Beneficial Interest A 750 $23.78 2,750 D P
11 Mar, 2026 James Frederic Clark Common Shares of Beneficial Interest A 750 $23.78 2,750 D P
10 Mar, 2026 Katherine Rubenstein Common Shares of Beneficial Interest A 1,035 $24.08 5,771 D P
10 Mar, 2026 Katherine Rubenstein Common Shares of Beneficial Interest A 1,035 $24.08 5,771 D P
10 Mar, 2026 Katherine Rubenstein Common Shares of Beneficial Interest A 1,035 $24.08 5,771 D P
11 Nov, 2025 James Frederic Clark Common Shares of Beneficial Interest A 2,000 $26.68 2,000 D P
11 Nov, 2025 James Frederic Clark Common Shares of Beneficial Interest A 2,000 $26.68 2,000 D P
11 Nov, 2025 James Frederic Clark Common Shares of Beneficial Interest A 2,000 $26.68 2,000 D P
06 Oct, 2025 Robert J Bass Common Shares of Beneficial Interest A 3,760 $26.63 21,167 D P
13 May, 2025 Robert J Bass Common Shares of Beneficial Interest A 1,626 $30.78 17,403 D P
26 May, 2023 Carlos Whitaker Common Shares of Beneficial Interest A 3,895 $25.68 3,895 D P
26 May, 2023 Carlos Whitaker Common Shares of Beneficial Interest A 3,895 $25.68 3,895 D P
26 May, 2023 Carlos Whitaker Common Shares of Beneficial Interest A 3,895 $25.68 3,895 D P
21 Nov, 2022 Katherine Rubenstein Common Shares of Beneficial Interest A 3,359 $23.83 3,359 D P
21 Nov, 2022 Katherine Rubenstein Common Shares of Beneficial Interest A 3,359 $23.83 3,359 D P
21 Nov, 2022 Katherine Rubenstein Common Shares of Beneficial Interest A 3,359 $23.83 3,359 D P