Terrestrial Energy to Participate in the 28th Annual Needham Growth Conference

Rhea-AI Summary

Terrestrial Energy (NASDAQ: IMSR) will present at the 28th Annual Needham Growth Conference on January 13, 2026 in New York. The Company is scheduled to present at 2:15 p.m. ET and will provide a live webcast and replay via its investor relations website. Senior leaders Simon Irish, Chief Executive Officer, and Brian Thrasher, Chief Financial Officer, are expected to attend and be available for one-on-one meetings. Investors and analysts can access the webcast on the company’s IR site and contact their salesperson to arrange one-on-one meetings.

News Market Reaction

-5.93% 7.9x vol

32 alerts

-5.93% News Effect

-16.5% Trough in 39 hr 5 min

-$61M Valuation Impact

$964M Market Cap

7.9x Rel. Volume

On the day this news was published, IMSR declined 5.93%, reflecting a notable negative market reaction. Argus tracked a trough of -16.5% from its starting point during tracking. Our momentum scanner triggered 32 alerts that day, indicating elevated trading interest and price volatility. This price movement removed approximately $61M from the company's valuation, bringing the market cap to $964M at that time. Trading volume was exceptionally heavy at 7.9x the daily average, suggesting significant selling pressure.

Data tracked by StockTitan Argus on the day of publication.

Key Figures

Conference date: January 13, 2026 Presentation time: 2:15 p.m. ET IMSR thermal output: 822 MWth +5 more

8 metrics

Conference date January 13, 2026 28th Annual Needham Growth Conference presentation

Presentation time 2:15 p.m. ET Scheduled Needham conference presentation slot

IMSR thermal output 822 MWth Commercial IMSR design rating

IMSR electric output 390 MWe Commercial IMSR design rating

SALEU enrichment cap <5% U-235 Fuel specification to avoid HALEU dependence

UF6 enrichment level 5% UF6 enrichment for UF4 production in fuel pilot plant

Manufacturing legacy ~80 years Springfields SALEU manufacturing history

Revenues achieved $75 million Revenues across new jurisdictions in prior role of VP hire

Market Reality Check

Price: $9.11 Vol: Volume 21,550,515 is 7.83...

high vol

$9.11 Last Close

Volume Volume 21,550,515 is 7.83x the 20-day average of 2,751,826, alongside a 30.33% pre-news price move. high

Technical Shares at $9.11 are trading below the 200-day MA of $10.26, despite elevated volume and recent gains.

Historical Context

5 past events · Latest: Jan 06 (Positive)

Pattern 5 events

Date	Event	Sentiment	Move	Catalyst
Jan 06	DOE project agreement	Positive	+30.3%	OTA agreement with DOE for Project TETRA IMSR pilot construction and operation.
Nov 25	Investor conferences	Positive	-4.0%	Participation in two December 2025 investor conferences with one-on-one meetings.
Nov 13	Leadership hires	Positive	-11.0%	Two senior hires to support U.S. commercialization and project pipeline execution.
Nov 05	Fuel plant contract	Positive	+13.7%	Expanded Westinghouse contract to design and build IMSR fuel pilot plant from 2026.
Nov 04	Executive appointment	Positive	-11.6%	Appointment of VP of Business Development with extensive nuclear M&A experience.

Pattern Detected

Recent news has produced volatile but mixed reactions, with multiple positive operational updates followed by both strong rallies and notable selloffs.

Recent Company History

Over the last few months, Terrestrial Energy has announced several milestones tied to commercialization of its IMSR technology. On Nov 5, 2025, an expanded Westinghouse fuel-plant contract saw a 13.69% move higher, while executive hires on Nov 4 and Nov 13, 2025 coincided with declines of 11.59% and 10.98%. The DOE Project TETRA OTA on Jan 6, 2026 was followed by a 30.33% gain. Today’s conference participation comes immediately after that major DOE-related move.

Market Pulse Summary

The stock moved -5.9% in the session following this news. A negative reaction despite this routine c...

Analysis

The stock moved -5.9% in the session following this news. A negative reaction despite this routine conference announcement would fit a pattern where positive operational news has sometimes been followed by weakness. Executive and leadership updates on Nov 4 and Nov 13, 2025 coincided with declines of 11.59% and 10.98%, even as the longer-term IMSR commercialization story advanced. Investors have previously repriced shares after spikes such as the 30.33% move on the DOE Project TETRA agreement, underscoring event-driven volatility.

Key Terms

small modular nuclear power plants, generation iv reactor, integral molten salt reactor, other transaction authority, +2 more

6 terms

small modular nuclear power plants technical

"a developer of small modular nuclear power plants using its Generation IV"

Small modular nuclear power plants are compact, factory-built nuclear reactors that are assembled on site like building blocks, designed to produce steady, large-scale electricity without the variable output of wind or solar. They matter to investors because their smaller size and modular manufacture can lower construction risk and upfront cost, offer predictable long-term revenue and carbon-free power credentials, and fit flexible deployment plans across energy grids.

generation iv reactor technical

"plants using its Generation IV reactor technology, announced today that it"

Generation IV reactor describes a set of advanced nuclear power plant designs intended to be safer, more efficient, and produce less lasting waste than current reactors; think of them as the next-generation models of power plants. For investors, they matter because they promise lower operating costs, potential for longer lifetimes and new markets, but also involve large upfront financing, long regulatory timelines, and technical risks that affect returns and project viability.

integral molten salt reactor technical

"to construct and operate Project TETRA, a pilot Integral Molten Salt Reactor (IMSR)."

An integral molten salt reactor is a type of nuclear power design where the nuclear fuel is dissolved in a high-temperature, liquid salt that circulates inside a single, sealed vessel. Think of it like a compact, self-contained boiler where the fuel and coolant are the same liquid, which can simplify systems, reduce moving parts, and improve passive safety. Investors care because this design promises lower construction and operating complexity, potentially faster deployment, and different regulatory and commercial risk profiles compared with conventional reactors.

other transaction authority regulatory

"executed an Other Transaction Authority (OTA) agreement with the U.S."

Other transaction authority is a legal power that lets certain U.S. government agencies sign flexible, custom agreements for research, prototypes and limited production outside standard federal contracting rules. For investors, it matters because contracts awarded under this authority can produce faster, less bureaucratic revenue and bring new suppliers into government work, but they are often less transparent and can be smaller, shorter-term or harder to predict than traditional government contracts—like a bespoke order versus a catalog purchase.

uf6 technical

"produce UF4 deconverted from UF6 at 5% enrichment, enabling use"

UF6, short for uranium hexafluoride, is a chemical form of uranium used during the process that separates the isotope needed for nuclear fuel. Think of it as the raw slurry that makes it possible to refine uranium into usable reactor fuel; its availability, transport restrictions and regulatory controls can strongly influence nuclear fuel supply, project timelines and the valuation of companies involved in mining, enrichment or nuclear power.

u-235 technical

"uses SALEU fuel <5% U-235 to avoid HALEU dependence."

U-235 is a specific form of the metal uranium that can sustain a nuclear chain reaction, making it the main fuel for many power reactors and the key material in certain nuclear devices. For investors, its availability, price and regulation matter because they influence the economics of nuclear power, uranium mining companies, utility fuel costs and geopolitical risks—think of it as the gasoline that runs a particular class of extremely powerful engines.

AI-generated analysis. Not financial advice.

CHARLOTTE, N.C., Jan. 07, 2026 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR) (“Terrestrial Energy” or “the Company”), a developer of small modular nuclear power plants using its Generation IV reactor technology, announced today that it will participate in the 28th Annual Needham Growth Conference on Tuesday, January 13, 2026, in New York, NY.

The Company is scheduled to present at 2:15 p.m. ET, with a live webcast and replay accessible via Terrestrial Energy’s investor relations website at ir.terrestrialenergy.com.

Members of the senior leadership team, including Simon Irish, Chief Executive Officer, and Brian Thrasher, Chief Financial Officer, will be available for one-on-one meetings. To schedule a one-on-one meeting, please contact your respective salesperson.

About Terrestrial Energy

Terrestrial Energy is a developer of Generation IV nuclear plants that use its proprietary Integral Molten Salt Reactor (IMSR). The IMSR captures the transformative operating benefits of molten salt reactor technology in a plant design that represents true innovation in capital efficiency, cost reduction, versatility and functionality of nuclear energy supply. IMSR plants are designed to be small and modular for distributed supply of low-cost, reliable, dispatchable, clean, high-temperature industrial heat and electricity, and to be customized for dual-use energy role relevant to many industrial applications, such as petrochemical and chemical synthesis, and data center operation. In so doing, IMSR plants extend the application of nuclear energy far beyond electric power markets. Their deployment will support the rapid global decarbonization of the primary energy system across a broad spectrum and increase its sustainability. Terrestrial Energy uses an innovative plant design together with proven and demonstrated molten salt reactor technology and readily-available and inexpensive standard-assay low-enriched uranium in its fuel for a nuclear plant with a unique set of operating characteristics and compelling transformative commercial potential. Terrestrial Energy is engaged with regulators, suppliers, industrial partners and energy end-users to build, license and commission the first IMSR plants in the early 2030s.

Forward-Looking Statements

The statements contained in this press release that are not purely historical are forward-looking statements. These forward-looking statements include, but are not limited to, statements regarding our expectations, hopes, beliefs, intentions or strategies regarding the future. In addition, any statements that refer to projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, are forward-looking statements. The words "anticipate," "believe," "continue," "could," "estimate," "expect," "intends," "may," "might," "plan," "possible," "potential," "predict," "project," "should," "would" and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking.

The forward-looking statements contained in this press release are based on our current expectations and beliefs concerning future developments and their potential effects on the Company. There can be no assurance that future developments affecting the Company will be those that we have anticipated. These forward-looking statements speak only as of the date of this press release and involve a number of risks, uncertainties (some of which are beyond our control) or other assumptions that may cause actual results or performance to differ materially from those expressed or implied by these forward-looking statements. Factors that may cause actual results to differ materially from current expectations include, but are not limited to: (1) risks related to the development, manufacturing and construction of IMSR Plants and key components, including potential delays, cost overruns and contractor performance issues; (2) the Company’s ability to obtain applicable regulatory approvals and licenses on a timely basis or at all; (3) the ability of management to manage growth properly; (4) the possibility that the Company may be adversely affected by other economic, business, and/or competitive factors, including from alternative energy technologies, energy price volatility, and competition from other advanced reactor developers; (5) potential supply chain constraints and cost inflation for specialized nuclear-grade materials and components; (6) any failure to comply with the laws and regulations governing the use, transportation, and disposal of toxic, hazardous and/or radioactive materials; (7) changes in domestic and foreign business, market, financial and political conditions, and in applicable laws and regulations, including tariffs; (8) the ability to raise additional funding in the future; (9) the outcome of any legal proceedings that may be instituted against the Company; and (10) other risk factors described herein as well as the risk factors and uncertainties described in the documents filed by the Company from time to time with the U.S. Securities and Exchange Commission (the “SEC”).

The foregoing list of risk factors is not exhaustive. You should carefully consider the foregoing risk factors and the other risks and uncertainties described in the documents filed by the Company from time to time with the SEC. In addition, there may be additional risks that the Company presently knows, or that it currently believes are immaterial, that could also cause actual results to differ from those contained in the forward-looking statements. Nothing in this communication should be regarded as a representation or warranty, either express or implied, by any person that the forward-looking statements set forth herein will be achieved or that any of the contemplated results of such forward-looking statements will be achieved. You should not place undue reliance on forward-looking statements, which speak only as of the date they are made.

In addition, the information contained in this press release is provided as of the date hereof and may change, and the Company and its representatives and affiliates specifically disclaim any obligation to, and do not intend to, update or revise any forward-looking statements, whether as a result of new information, inaccuracies, future events or otherwise, except as may be required under applicable securities laws. Information contained on our website is not a part of or incorporated into this press release.

Terrestrial Energy Investor Center:

https://www.terrestrialenergy.com/investors

Terrestrial Energy Media & Investor Contact:

TerrestrialEnergy@icrinc.com

FAQ

When will Terrestrial Energy (IMSR) present at the Needham Growth Conference?

Terrestrial Energy will present on January 13, 2026 at 2:15 p.m. ET.

How can I watch the Terrestrial Energy (IMSR) webcast from the Needham Growth Conference?

The presentation will be streamed live and a replay will be available on Terrestrial Energy’s investor relations website.

Which Terrestrial Energy executives will attend the Needham Growth Conference for one-on-one meetings?

Simon Irish, Chief Executive Officer, and Brian Thrasher, Chief Financial Officer, are scheduled to be available for one-on-one meetings.

How do I schedule a one-on-one meeting with Terrestrial Energy (IMSR) at the Needham Growth Conference?

To schedule a one-on-one meeting, contact your salesperson to arrange meetings with the company’s investor relations team.

Will a replay of Terrestrial Energy’s (IMSR) Needham presentation be available after the conference?

Yes, a replay will be accessible via the company’s investor relations website.