---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-040226"
form_type: "8-K"
ticker: null
cik: "0001853021"
company_name: "Metals Acquisition Corp"
filed_at: "2023-03-31T23:59:59+00:00"
generated_at: "2026-06-17T08:27:23.548565+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Metals Acquisition Corp issues up to $339,877 promissory note to sponsor for business combination costs

## Summary
- Unsecured non-convertible promissory note issued to Green Mountain Metals LLC (Sponsor) for up to $339,876.65.
- Proceeds used for transaction costs related to the acquisition of CSA Mine (business combination).
- Note bears no interest; principal due earlier of August 2, 2023 or consummation of business combination.
- CEO Michael James McMullen is Manager of Sponsor, making this a related-party transaction.
- Issuance exempt from registration under Section 4(a)(2) of Securities Act.

## SEC filing metadata
- accession: 0001104659-23-040226
- form_type: 8-K
- cik: 0001853021
- company_name: Metals Acquisition Corp
- filed_at: 2023-03-31T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1853021/000110465923040226/0001104659-23-040226-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1853021/000110465923040226/tm2311034d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-040226
- JSON: https://secwatch.observer/filing/0001104659-23-040226.json
- Plain text: https://secwatch.observer/filing/0001104659-23-040226.txt

## Key facts
- Debt Financings
  Metals Acquisition Corp incurred loan of up to $339,876.65 with Green Mountain Metals LLC maturing the earlier of (i) August 2, 2023 and (ii) the acquisition of the Cornish, Scottish and Australian Mine.
  - Instrument: loan
  - Principal: up to $339,876.65
  - Counterparty: Green Mountain Metals LLC
  - Maturity: the earlier of (i) August 2, 2023 and (ii) the acquisition of the Cornish, Scottish and Australian Mine
  - Event: incurrence
  source text: On March 31, 2023, Metals Acquisition Corp (the “Company”) issued an unsecured non-convertible promissory note (the “Note”) to Green Mountain Metals LLC (the “Sponsor”) pursuant to which the Company may borrow up to $339,876.65 from the Sponsor for transaction costs reasonably related to the consummation of the Business Combination (as defined below).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1853021/000110465923040226/0001104659-23-040226-index.htm
- Material Agreements
  Metals Acquisition Corp entered into Share Sale Agreement (effective 2022-03-17).
  - Action: entry
  - Agreement: merger
  - Effective: 2022-03-17
  source text: the Share Sale Agreement dated as of March 17, 2022 (as amended by the Deed of Consent and Covenant dated as of November 22, 2022 (the “Share Sale Agreement”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1853021/000110465923040226/0001104659-23-040226-index.htm

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