---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-086370"
form_type: "8-K"
ticker: "ONCH"
cik: "0002054272"
company_name: "1RT Acquisition Corp."
filed_at: "2025-09-10T23:59:59+00:00"
generated_at: "2026-05-17T07:08:27.956413+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# 1RT Acquisition Corp. announces separate trading of Class A shares and warrants starting Sept 12, 2025

## Summary
- Effective Sept 12, 2025, holders of ONCHU units may separate into Class A ordinary shares (ONCH) and warrants (ONCHW).
- Each unit comprises one Class A share and one-quarter of one warrant; no fractional warrants will trade.
- Separated shares and warrants trade on Nasdaq under ONCH and ONCHW; units not separated continue under ONCHU.
- Registration statement for the securities became effective July 1, 2025.

## SEC filing metadata
- accession: 0001213900-25-086370
- form_type: 8-K
- ticker: ONCH
- cik: 0002054272
- company_name: 1RT Acquisition Corp.
- filed_at: 2025-09-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2054272/000121390025086370/0001213900-25-086370-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2054272/000121390025086370/ea0256634-8k_1rtacquisit.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-086370
- JSON: https://secwatch.observer/filing/0001213900-25-086370.json
- Plain text: https://secwatch.observer/filing/0001213900-25-086370.txt

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