---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-070092"
form_type: "8-K"
ticker: "BXSL"
cik: "0001736035"
company_name: "Blackstone Secured Lending Fund"
filed_at: "2026-06-18T20:05:11+00:00"
generated_at: "2026-06-18T20:11:39.005550+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Blackstone Secured Lending Fund COO Katherine Rubenstein departs effective June 15, 2026

## Summary
- Katherine Rubenstein left her role as Chief Operating Officer on June 15, 2026, to pursue other opportunities.
- Departure was not due to any disagreement with the Fund's operations, policies, or practices.
- Blackstone Credit & Insurance thanked Ms. Rubenstein for her contributions.

## SEC filing metadata
- accession: 0001213900-26-070092
- form_type: 8-K
- ticker: BXSL
- cik: 0001736035
- company_name: Blackstone Secured Lending Fund
- filed_at: 2026-06-18T20:05:11+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1736035/000121390026070092/0001213900-26-070092-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1736035/000121390026070092/ea029494501-8k_blackstone.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-070092
- JSON: https://secwatch.observer/filing/0001213900-26-070092.json
- Plain text: https://secwatch.observer/filing/0001213900-26-070092.txt

## Key facts
- Executive change
  Katherine Rubenstein departed as Chief Operating Officer at Blackstone Secured Lending Fund.
  - Action: departed
  - Role: Chief Operating Officer
  source text: On June 15, 2026, Katherine Rubenstein departed her role as Blackstone Secured Lending Fund’s (the “Fund”) Chief Operating Officer to pursue other opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1736035/000121390026070092/0001213900-26-070092-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.