---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-016893"
form_type: "8-K"
ticker: "MBAV"
cik: "0002016072"
company_name: "M3-Brigade Acquisition V Corp."
filed_at: "2026-02-17T23:59:59+00:00"
generated_at: "2026-05-16T02:34:55.909977+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# M3-Brigade Acquisition V reports ~$306.88M in trust account as of Dec 31, 2025

## Summary
- Trust account holds ~$306.88M in cash and marketable securities as of Dec 31, 2025 (preliminary, unaudited).
- Amount is subject to completion of year-end close procedures and may change.
- Disclosure made in connection with proposed business combination with ReserveOne Holdings Inc.

## SEC filing metadata
- accession: 0001213900-26-016893
- form_type: 8-K
- ticker: MBAV
- cik: 0002016072
- company_name: M3-Brigade Acquisition V Corp.
- filed_at: 2026-02-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2016072/000121390026016893/0001213900-26-016893-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2016072/000121390026016893/ea0276969-8k425_m3brigade5.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-016893
- JSON: https://secwatch.observer/filing/0001213900-26-016893.json
- Plain text: https://secwatch.observer/filing/0001213900-26-016893.txt

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