---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-120005"
form_type: "8-K"
ticker: "SBXE"
cik: "0002081909"
company_name: "SilverBox Corp V"
filed_at: "2025-12-10T23:59:59+00:00"
generated_at: "2026-05-16T13:41:29.956997+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# SilverBox Corp V closes $276M IPO of 27.6M units at $10.00 per unit

## Summary
- 27,600,000 units sold at $10.00 each in IPO including full over-allotment; 195,000 private placement units to sponsor at same price.
- Net proceeds of $276,000,000 deposited in trust account; company must complete a business combination within 24 months.
- As of Dec 4, 2025: cash outside trust $916,261, offering costs $9.2M, warrant liabilities $3.7M, accumulated deficit $19.3M.
- Sponsor agreed to indemnify trust against third-party claims; founders and private placement shares have redemption waivers.

## SEC filing metadata
- accession: 0001104659-25-120005
- form_type: 8-K
- ticker: SBXE
- cik: 0002081909
- company_name: SilverBox Corp V
- filed_at: 2025-12-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2081909/000110465925120005/0001104659-25-120005-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2081909/000110465925120005/tm2533094d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-120005
- JSON: https://secwatch.observer/filing/0001104659-25-120005.json
- Plain text: https://secwatch.observer/filing/0001104659-25-120005.txt

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