---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-088590"
form_type: "8-K"
ticker: null
cik: "0001838108"
company_name: "RMG Acquisition Corp. III"
filed_at: "2024-10-18T23:59:59+00:00"
generated_at: "2026-05-30T12:49:14.991952+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# RMG Acquisition III shareholders approve extension to August 2025; 473k shares redeemed

## Summary
- Shareholders approved Fourth Extension to complete business combination from August 9 to November 9, 2024, with up to nine additional monthly extensions to August 9, 2025.
- 473,063 Class A ordinary shares (11.67% of outstanding Class A) were redeemed in connection with the extension.
- Vote: 12,097,174 for, 1,304 against, no abstentions or broker non-votes.
- Fifth Amended and Restated Memorandum and Articles of Association filed on October 15, 2024.
- Securities previously delisted from Nasdaq in April 2024; trading over-the-counter.

## SEC filing metadata
- accession: 0001213900-24-088590
- form_type: 8-K
- cik: 0001838108
- company_name: RMG Acquisition Corp. III
- filed_at: 2024-10-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1838108/000121390024088590/0001213900-24-088590-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1838108/000121390024088590/ea0217866-8k_rmgacqu3.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-088590
- JSON: https://secwatch.observer/filing/0001213900-24-088590.json
- Plain text: https://secwatch.observer/filing/0001213900-24-088590.txt

## Key facts
- Governance Changes
  RMG Acquisition Corp. III: Company filed Fifth Amended and Restated Memorandum and Articles of Association to extend business combination deadline from August 9, 2024 to November 9, 2024, with up to nine additional one-month extensions to August 9, 2025 (effective 2024-10-15).
  - Change: charter amendment
  - Effective: 2024-10-15
  source text: Effective October 15, 2024, to effectuate the Fourth Extension, the Company filed with the Cayman Islands Registrar of Companies the Fifth Amended and Restated Memorandum and Articles of Association of the Company (the “Fifth A&R Charter”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1838108/000121390024088590/0001213900-24-088590-index.htm

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