Katherine Rubenstein is COO at Blackstone Secured Lending Fund (BXSL). They have made 2 open-market trades across 1 company since 2022, most recently 2026-03-10.
CIK 0001876931
2 open-market purchases totalling $185K since 2022, never a sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| BXSL | 5,770 | $138K |
| PrivateUnlisted | 2,895 | — |
| Total | $138K |
Shares reported on the most recent Form 4, priced at the 2026-03-11 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.