---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-038406"
form_type: "8-K"
ticker: "IMSR"
cik: "0002019804"
company_name: "Terrestrial Energy Inc. /DE/"
filed_at: "2024-08-23T23:59:59+00:00"
generated_at: "2026-05-31T07:54:32.949290+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# HCM II Acquisition Corp. closes 23M-unit IPO at $10/unit; trust funded with $231.15M

## Summary
- Sold 23,000,000 units at $10.00 each, including full over-allotment of 3M units, gross proceeds $230M.
- Sold 6,850,000 Private Placement Warrants at $1.00 each to sponsor and Cantor Fitzgerald for $6.85M.
- Placed $231,150,000 in trust account ($10.05 per unit), held by Continental Stock Transfer.
- Audited balance sheet shows $232.2M total assets, $10.86M total liabilities, $231.15M Class A shares subject to redemption.
- SPAC has 24 months from IPO to complete initial business combination; target not yet identified.

## SEC filing metadata
- accession: 0001140361-24-038406
- form_type: 8-K
- ticker: IMSR
- cik: 0002019804
- company_name: Terrestrial Energy Inc. /DE/
- filed_at: 2024-08-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2019804/000114036124038406/0001140361-24-038406-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2019804/000114036124038406/ny20027439x14_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-038406
- JSON: https://secwatch.observer/filing/0001140361-24-038406.json
- Plain text: https://secwatch.observer/filing/0001140361-24-038406.txt

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