---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-23-002402"
form_type: "8-K"
ticker: "MCAG"
cik: "0001859035"
company_name: "Mountain Crest Acquisition Corp. V"
filed_at: "2023-03-30T23:59:59+00:00"
generated_at: "2026-06-17T09:44:40.555013+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Mountain Crest Acquisition Corp. V amends business combination agreement with AUM Biosciences

## Summary
- Amendment No. 2 removes SPAC's net tangible assets closing condition and eliminates SPAC's right to designate a Holdco board director.
- Company Interests updated from 8,779,752 to 9,841,118 Company Ordinary Shares as of Amalgamation Effective Time.
- Parties consent to termination of stock escrow agreement dated November 21, 2021.
- Outside Date previously extended to May 15, 2023; no change to deal value or structure.

## SEC filing metadata
- accession: 0001829126-23-002402
- form_type: 8-K
- ticker: MCAG
- cik: 0001859035
- company_name: Mountain Crest Acquisition Corp. V
- filed_at: 2023-03-30T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1859035/000182912623002402/0001829126-23-002402-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1859035/000182912623002402/mountaincrest5_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-23-002402
- JSON: https://secwatch.observer/filing/0001829126-23-002402.json
- Plain text: https://secwatch.observer/filing/0001829126-23-002402.txt

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