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CORRESP Filing

Terrestrial Energy Inc. /DE/
Date: Sept. 24, 2025 · CIK: 0002019804 · Accession: 0001213900-25-091165

AI Filing Summary & Sentiment

Sentiment
Urgency
Document Type
Confidence
SEC Posture
Company Posture

Summary

Reasoning

Date
September 24, 2025
Author
/s/ Simon Irish
Form
CORRESP
Company
Terrestrial Energy Inc. /DE/

Letter

HCM II Acquisition Corp.

100 First Stamford Place, Suite 330

Stamford, CT 06902

Terrestrial Energy Inc.

2730 W. Tyvola Road, Suite 100

Charlotte, NC 28217

September 24, 2025

Via Edgar

U.S. Securities and Exchange Commission

Division of Corporation Finance

Office of Real Estate & Construction

100 F Street, N.E.

Washington, D.C. 20549

Attention:

Eiko Yaoita Pyles Hugh West Sarah Sidwell Jennifer Angelini

Re: HCM II Acquisition Corp.

Registration Statement on Form S-4, as amended (File No. 333- 288735)

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, and in connection with the captioned registration statement (the " Registration Statement "), HCM II Acquisition Corp. (the " Registrant ") and Terrestrial Energy Inc. (the " Co-Registrant ") hereby respectfully request that the Registration Statement be permitted to become effective on September 26, 2025 at 4:00 p.m., Eastern Time, or as soon thereafter as practicable.

If you have any questions or comments, please do not hesitate to contact Kevin E. Manz, Esq. at (212) 556-2133 or Eliot W. Robinson, Esq. at (404) 572-6785.

[Remainder of the page intentionally left blank]

HCM II ACQUISITION CORP.

Sincerely,

By: /s/ Shawn Matthews

Name: Shawn Matthews

Title: Chief Executive Officer, HCM II Acquisition Corp.

TERRESTRIAL ENERGY INC.

Sincerely,
By:
/s/ Simon Irish

Show Raw Text
CORRESP
 1
 filename1.htm

 HCM II Acquisition Corp.

 100 First Stamford Place, Suite 330

 Stamford, CT 06902

 Terrestrial Energy Inc.

 2730 W. Tyvola Road, Suite 100

 Charlotte, NC 28217

 September 24, 2025

 Via Edgar

 U.S. Securities and Exchange Commission

 Division of Corporation Finance

 Office of Real Estate & Construction

 100 F Street, N.E.

 Washington, D.C. 20549

 Attention:

 Eiko Yaoita Pyles
 Hugh West
 Sarah Sidwell
 Jennifer Angelini

 Re: HCM II Acquisition Corp.

 Registration Statement on Form S-4,
as amended (File No. 333- 288735)

 Ladies and Gentlemen:

 Pursuant to Rule 461 under
the Securities Act of 1933, as amended, and in connection with the captioned registration statement (the " Registration Statement "),
HCM II Acquisition Corp. (the " Registrant ") and Terrestrial Energy Inc. (the " Co-Registrant ") hereby
respectfully request that the Registration Statement be permitted to become effective on September 26, 2025 at 4:00 p.m., Eastern Time,
or as soon thereafter as practicable.

 If you have any questions
or comments, please do not hesitate to contact Kevin E. Manz, Esq. at (212) 556-2133 or Eliot W. Robinson, Esq. at (404) 572-6785.

 [Remainder of the page intentionally left blank]

 HCM II ACQUISITION CORP.

 Sincerely,

 By:
 /s/ Shawn Matthews

 Name:
 Shawn Matthews

 Title:
 Chief Executive Officer, HCM II Acquisition Corp.

 TERRESTRIAL ENERGY
INC.

 Sincerely,

 By:
 /s/ Simon Irish

 Name:
 Simon Irish

 Title:
 Chief Executive Officer, Terrestrial Energy Inc.

 Cc: Kevin E. Manz, Esq., King & Spalding LLP

 Eliot W. Robinson, Esq., Bryan Cave Leighton Paisner
LLP

 Tyler F. Mark, Esq., Bryan Cave Leighton Paisner
LLP