---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-019378"
form_type: "8-K"
ticker: "HACQ"
cik: "0002089982"
company_name: "HCM IV Acquisition Corp."
filed_at: "2026-02-23T23:59:59+00:00"
generated_at: "2026-05-16T01:18:17.187811+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# HCM IV Acquisition Corp. completes IPO, raises $287.5M, auditor flags going concern

## Summary
- IPO of 28,750,000 units at $10/unit closed Feb 13, 2026, gross proceeds $287.5M.
- Private placement of 4,666,667 warrants at $1.50 each to sponsor and Cantor Fitzgerald, gross $7M.
- Total $287.5M from IPO and private placement deposited into trust account.
- Balance sheet shows shareholders' deficit of $15.7M from accumulated deficit.
- Auditor raises substantial doubt about company's ability to continue as going concern due to insufficient working capital.

## SEC filing metadata
- accession: 0001213900-26-019378
- form_type: 8-K
- ticker: HACQ
- cik: 0002089982
- company_name: HCM IV Acquisition Corp.
- filed_at: 2026-02-23T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2089982/000121390026019378/0001213900-26-019378-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2089982/000121390026019378/ea0277586-8k_hcm4.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-019378
- JSON: https://secwatch.observer/filing/0001213900-26-019378.json
- Plain text: https://secwatch.observer/filing/0001213900-26-019378.txt

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