secwatch.observer — SEC 8-K summary
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Issuer:     Terrestrial Energy Inc. /DE/ (IMSR)
CIK:        0002019804
Form:       8-K
Filed at:   2025-09-29T23:59:59+00:00
Accession:  0001213900-25-093191
Event type: other_material
Sentiment:  positive
Materiality: 0.75
Item codes: 8.01, 9.01, 7.01
LLM model:  deepseek-v4-flash:cloud@v2

HCM II and Terrestrial Energy: SEC declares S-4 effective, shareholder meeting set for Oct 20
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- SEC declared effective the Registration Statement on Form S-4 on September 26, 2025 for the business combination.
- HCM II shareholders to vote at Extraordinary General Meeting on October 20, 2025; record date September 24, 2025.
- Post-combination company plans to list on Nasdaq under symbols IMSR and IMSRW upon closing.
- Terrestrial Energy develops IMSR small modular nuclear plants with Generation IV technology.
- Definitive proxy statement/prospectus began mailing to shareholders on September 26, 2025.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/2019804/000121390025093191/0001213900-25-093191-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/2019804/000121390025093191/ea0259069-8k425_hcm2acq.htm
  HTML page:      https://secwatch.observer/filing/0001213900-25-093191

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