---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-034015"
form_type: "8-K"
ticker: "SSSS"
cik: "0001509470"
company_name: "SURO CAPITAL CORP."
filed_at: "2026-07-21T12:30:30+00:00"
generated_at: "2026-07-21T12:35:18.636632+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Neostellar (fka SuRo) launches externally managed BDC with Magnetar, issues $20M note

## Summary
- Externalization effective July 15, 2026; Neostellar Advisors LLC (joint venture with Magnetar) becomes investment adviser.
- Base management fee of 1.75% of gross assets; incentive fee with 1.75% quarterly hurdle (income) and 7% annual hurdle (capital gains).
- Issued $20M redeemable promissory note to Magnetar affiliate MCP Investing LLC at 6.50% interest, maturing 2029.
- Erik Falk, Magnetar Partner and Head of Strategy, appointed to Board of Directors effective July 15, 2026.
- Company now trades on Nasdaq under new ticker NSLR; Magnetar affiliate invested $20M in the company.

## SEC filing metadata
- accession: 0001493152-26-034015
- form_type: 8-K
- ticker: SSSS
- cik: 0001509470
- company_name: SURO CAPITAL CORP.
- filed_at: 2026-07-21T12:30:30+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 2.03, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1509470/000149315226034015/0001493152-26-034015-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1509470/000149315226034015/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-034015
- JSON: https://secwatch.observer/filing/0001493152-26-034015.json
- Plain text: https://secwatch.observer/filing/0001493152-26-034015.txt

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