Form 8-K
8-K — Terrestrial Energy Inc. /DE/
Accession: 0001104659-26-073471
Filed: 2026-06-12
Period: 2026-06-11
CIK: 0002019804
SIC: 3443 (FABRICATED PLATE WORK (BOILER SHOPS))
Item: Submission of Matters to a Vote of Security Holders
Documents
8-K — tmb-20260611x8k.htm (Primary)
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8-K
8-K (Primary)
Filename: tmb-20260611x8k.htm · Sequence: 1
TERRESTRIAL ENERGY INC._June 11, 2026
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 11, 2026
TERRESTRIAL ENERGY INC.
(Exact name of registrant as specified in its charter)
Delaware
001-42252
98-1785406
(State or other jurisdiction
of incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
2730 W. Tyvola Road, Suite 100
Charlotte, NC 28217
(Address of principal executive offices, including zip code)
Registrant’s telephone number, including area code: (646) 687-8212
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act
Title of each class
Trading
Symbol(s)
Name of each exchange
on which
registered
Common Stock, par value $0.0001 per share
IMSR
The Nasdaq Stock
Market LLC
Redeemable Warrants, each whole warrant exercisable for one Common
Stock at a price of $11.50 per share
IMSRW
The Nasdaq Stock
Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☒
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 5.07 Submission of Matters to a Vote of Security Holders
On June 11, 2026, Terrestrial Energy Inc. (the “Company”) held its 2026 Annual Meeting of Stockholders (the “Annual Meeting”). At the Annual Meeting, the Company’s stockholders voted on the matters described in the Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on April 29, 2026 (the “Proxy Statement”). The final voting results for the matters submitted to a vote of stockholders were as follows:
The Company’s stockholders elected the three nominees to the Company’s Board of Directors to serve for three-year terms as Class I directors, with the votes cast as follows:
Director Name
For
Withheld
Broker Non-Votes
Frederick Buckman
56,661,573
303,610
12,704,151
William Johnson
56,668,879
296,304
12,704,151
Hugh MacDiarmid
56,662,842
302,341
12,704,151
The Company’s stockholders ratified the appointment of UHY LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, with votes cast as follows:
For
Against
Abstain
69,103,315
400,853
165,166
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: June 12, 2026
TERRESTRIAL ENERGY INC.
By:
/s/ Brian Thrasher
Name:
Brian Thrasher
Title:
Chief Financial Officer
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Entity Incorporation, State or Country Code
DE
Entity File Number
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Entity Tax Identification Number
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Entity Address, Address Line One
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Entity Address, Adress Line Two
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