Terrestrial Energy Inc. (IMSR)
NASDAQ: IMSR · Real-Time Price · USD
3.280
-0.120 (-3.53%)
At close: Oct 9, 2026, 4:00 PM EDT
3.340
+0.060 (1.83%)
After-hours: Oct 9, 2026, 7:59 PM EDT
Company Description
Terrestrial Energy Inc. engages in the development of small modular nuclear plants using its generation IV integral molten salt reactor (IMSR).
The IMSR captures the transformative operating benefits of molten salt reactor technology in a plant design of nuclear energy supply.
The company uses a plant design together with molten salt reactor technology and uranium in its fuel for a nuclear plant.
Terrestrial Energy Inc. was founded in 2013 and is headquartered in Charlotte, North Carolina.
Terrestrial Energy Inc.
| Country | United States |
| Founded | 2013 |
| Industry | Utilities - Regulated Electric |
| Sector | Utilities |
| Employees | 74 |
| CEO | Simon Irish |
Contact Details
Address: 2730 W. Tyvola Road, Suite 100 Charlotte, North Carolina 28217 United States | |
| Phone | 646 687 8212 |
| Website | terrestrialenergy.com |
Stock Details
| Ticker Symbol | IMSR |
| Exchange | NASDAQ |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0002019804 |
| CUSIP Number | 881454102 |
| ISIN Number | US8814541020 |
| Employer ID | 98-1785406 |
| SIC Code | 3443 |
Key Executives
| Name | Position |
|---|---|
| Simon Irish | Chief Executive Officer and Director |
| Brian Thrasher | Chief Financial Officer |
| William Smith | Chief Operating Officer |
| Dr. David LeBlanc Ph.D. | Chief Technology Officer and Director |
| Tyler D. Gronbach | Vice President of Investor Relations and Public Relations |
| Pamela Cowan | Executive Vice President of Engineering |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Aug 14, 2026 | 424B3 | Prospectus |
| Aug 11, 2026 | 10-Q | Quarterly Report |
| Aug 11, 2026 | 8-K | Current Report |
| Jul 31, 2026 | 8-K | Current Report |
| Jul 28, 2026 | 8-K | Current Report |
| Jul 21, 2026 | 8-K | Current Report |
| Jul 17, 2026 | 8-K | Current Report |
| Jun 12, 2026 | 8-K | Current Report |
| Jun 11, 2026 | EFFECT | Notice of Effectiveness |
| Jun 5, 2026 | POS AM | Post-Effective amendments for registration statement |