---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-072651"
form_type: "8-K"
ticker: "RMXI"
cik: "0001970743"
company_name: "RMX INDUSTRIES, INC."
filed_at: "2026-06-26T20:30:39+00:00"
generated_at: "2026-06-26T20:33:33.113396+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# RMX extends maturity of $2.02M senior secured convertible note to August 31, 2026

## Summary
- RMX extended maturity of $2.02M Initial Note under $50M senior secured convertible offering from May 30 to August 31, 2026.
- The Initial Note originally matured March 31, 2026; this is the second extension.
- The note bears 15% interest and is convertible into Class A common stock.

## SEC filing metadata
- accession: 0001213900-26-072651
- form_type: 8-K
- ticker: RMXI
- cik: 0001970743
- company_name: RMX INDUSTRIES, INC.
- filed_at: 2026-06-26T20:30:39+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1970743/000121390026072651/0001213900-26-072651-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1970743/000121390026072651/ea0295949-8k_rmx.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-072651
- JSON: https://secwatch.observer/filing/0001213900-26-072651.json
- Plain text: https://secwatch.observer/filing/0001213900-26-072651.txt

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