Terrestrial Energy Inc. Completes Business Combination with HCM II Acquisition Corp.
Terrestrial Energy Inc. (IMSR)
Company Research
Source: GlobeNewswire
Terrestrial Energy to begin trading on the Nasdaq Stock Market under ticker symbol “IMSR” on October 29, 2025 The transaction closed with gross proceeds exceeding $292 million before expenses, reflecting previously placed $50 million common stock PIPE and a negligible level of redemptions Transaction proceeds to accelerate commercial deployment of Terrestrial Energy's proprietary Integral Molten Salt Reactor (IMSR) nuclear technology CHARLOTTE, N.C. and STAMFORD, Conn., Oct. 28, 2025 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (“Terrestrial Energy” or the “Company”), a developer of small modular nuclear plants using advanced reactor technology, announced today that it has completed its business combination with HCM II Acquisition Corp. (Nasdaq: HOND; HONDW) (“HCM II”). The business combination was approved by HCM II’s shareholders on October 20, 2025. In connection with the completion of the business combination, HCM II has been renamed Terrestrial Energy Inc., and its securiti
Show less
Read more
Impact Snapshot
Event Time:
IMSR
Last Price
Price Change
Price Change%
Volume Shares
Max Up
Max Down
%
Volume Ratio
Performance Comparison
Updated
|
Event Day
Stock performance from the time of news release until the following 4pm ET market close
|
Last price at news event
|
Since Event
Multi-day stock performance from the time of the news release
|
|---|---|---|
|
EVENT DAY
Stock performance from the time of news release until the following 4pm ET market close
|
LAST
PRICE AT NEWS EVENT |
SINCE EVENT
Multi-day stock performance from the time of the news release
|
| Last Price | ||
| VWAP | ||
|
High:
|
Max Up |
High:
|
|
Low:
|
Max Down |
Low:
|
|
%
|
Post news range |
%
|
|
|
Price change |
|
|
|
Price Change Percentage |
|
|
|
S&P 500 (SPX) |
|
|
%
|
Volume ratio |
%
|
| Volume | ||
| Ticks | ||
|
|
Avg transaction size |
|
Don't Miss Out On The Next BIG Stock Move
Event day
Event Day Chart will not be displayed beyond 90-day period of the event
Performance since event
Time And Velocity Analysis
Be the first to know
Opt in for alerts from News Quantifed
Sign Up Today
Opt-in for
IMSR alerts
Learn More With NQ
Reading the Impact Report
Help Me Understand This Data
Help Me Understand This Data
How NQ Works
What is news-based trading?
And why is it so successful?
And why is it so successful?
Movers & Shakers
The biggest gainers and losers and WHY it moved
IMSR alerts
High impacting Terrestrial Energy Inc. news events
Weekly update
A roundup of the hottest topics
IMSR
News
- Terrestrial Energy to Participate in the 28th Annual Needham Growth ConferenceGlobeNewswire
- Terrestrial Energy Executes DOE Agreement for Project TETRA Under Advanced Reactor Pilot ProgramGlobeNewswire
- HCM II Acquisition (NASDAQ:IMSR) had its "sell (d)" rating reaffirmed by analysts at <a style="font-weight:bold" href="https://weissratings.com/">Weiss Ratings</a>.MarketBeat
- HCM II Acquisition (NASDAQ:IMSR) was downgraded by analysts at <a style="font-weight:bold" href="https://www.wallstreetzen.com/newsletters/zen-ratings?ticker=IMSR&utm_campaign=getratings&utm_medium=online&utm_source=MarketBeat">Wall StreMarketBeat
- HCM II Acquisition (NASDAQ:IMSR) is now covered by analysts at <a style="font-weight:bold" href="https://weissratings.com/">Weiss Ratings</a>. They set a "sell (d)" rating on the stock.MarketBeat
IMSR
Sec Filings
- 1/9/26 - Form 4/A
- 12/22/25 - Form 4
- 12/22/25 - Form 4
- IMSR's page on the SEC website