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$IMSR
$3.29 +$0.35 (11.9%) Close

Company Executives

$IMSR Management Team

Mr. Shawn Matthews

Chairman of the Board

Chief Executive Officer

Age 57
Compensation -
Sex Male

Mr. Steven Bischoff

President

Chief Financial Officer

Director Nominee

Age 66
Compensation -
Sex Male
Directors
9
serving now
Independent
7 of 7
stated in the proxy; 2 not stated
Average tenure
1.0 years
from year joined
CEO also chairs the board
No
Frederick Buckman
Director Age On board Independent Committees Other public boards Pay Source
Frederick Buckman
80 2025
1 year
Independent None stated None stated Not stated
William Johnson
72 2025
1 year
Independent
Audit Committee
TC Energy, Nisource Inc. Not stated
Hugh MacDiarmid
74 2025
1 year
Independent
Audit Committee Compensation Committee · Chair
Ridge Canada Cyber Solutions Inc. Not stated
Simon Irish
57 2025
1 year
Not stated None stated None stated Paid as CEO
David LeBlanc
59 2025
1 year
Not stated None stated None stated Not stated
David Hill
77 2025
1 year
Independent None stated None stated Not stated
Robert Jones
75 2025
1 year
Independent
Nominating and Corporate Governance Committee
None stated Not stated
Shawn Matthews
59 Not stated Independent
Compensation Committee
None stated Not stated
Charles Pardee
66 2025
1 year
Independent
Compensation Committee Nominating and Corporate Governance Committee
Xcel Energy Inc., Emirates Nuclear Energy Corporation Not stated

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

HCM Investor Holdings II, LLC (the Sponsor)
Sponsor
$25,000
2024

Sponsor made a capital contribution to cover certain Company expenses and received 5,750,000 founder shares.

With Company Open in proxy
Independent directors of the Company
Independent directors of the Company, each receiving founder shares from the Sponsor
Amount not stated
August 19, 2024

Sponsor transferred 25,000 founder shares to each of three independent directors at their original purchase price.

With HCM Investor Holdings II, LLC (the Sponsor) Open in proxy
HCM Investor Holdings II, LLC (the Sponsor)
Sponsor
$6,850,000 in the aggregate

Sponsor purchased 4,275,000 private placement warrants, part of an aggregate 6,850,000 private placement warrants purchased with Cantor Fitzgerald & Co.

With Company Open in proxy
Non-managing sponsor investors
Non-managing sponsor investors holding membership interests in the Sponsor
$3,500,000 in the aggregate

Non-managing sponsor investors indirectly purchased 3,500,000 private placement warrants through Sponsor membership interests.

With Company Open in proxy
HCM Investor Holdings II, LLC (the Sponsor)
Sponsor
$300,000
2024

Sponsor loaned the Company funds for IPO expenses under a non-interest bearing promissory note, repaid at IPO closing.

With Company Open in proxy
HCM Investor Holdings II, LLC (the Sponsor)
Sponsor
$15,000 per month
Commencing August 15, 2024

Company agreed to pay the Sponsor a monthly fee for office space, utilities and administrative support services.

With Company Open in proxy
Sponsor or its affiliates, and certain officers and directors
Sponsor or affiliates of the Sponsor, or certain officers and directors
$1,267,599

Working Capital Loans made to the Company converted into 1,267,599 warrants immediately prior to the Business Combination.

With Company Open in proxy
Cantor Fitzgerald & Co.
Representative of the underwriters in the IPO
Amount not stated

Cantor purchased 2,575,000 private placement warrants simultaneously with the IPO closing.

With Company Open in proxy
Sponsor, certain stockholders and other parties
Parties to the Registration Rights Agreement
Amount not stated
October 28, 2025

Company, Cantor and the Sponsor entered into a Registration Rights Agreement granting piggyback and demand registration rights.

With Company and Cantor Open in proxy
SWH Capital LLC
Wholly owned by the Chief Executive Officer of the Company
2,818,520 shares of Common Stock
December 23, 2024

SWH Capital LLC received 2,818,520 shares of Common Stock under a merger agreement providing for the merger of Terrestrial Energy USA, Inc. into a TEDI subsidiary.

With Terrestrial Energy USA, Inc. and TEDI Open in proxy
Shawn Matthews
Related party, as stated in the TEDI disclosure
$4,000,000
April 2024 through February 2025

Purchased 8% Convertible Note due 2026 issued by TEDI in a unit offering.

With TEDI Open in proxy
Frederick Buckman
Related party, as stated in the TEDI disclosure
$50,000
April 2024 through February 2025

Purchased Terrestrial Convertible Notes directly in a TEDI unit offering.

With TEDI Open in proxy
Frederick and Marion Buckman Family Trust dated July 25, 2014
Related party, as stated in the TEDI disclosure
$106,093
April 2024 through February 2025

Purchased Terrestrial Convertible Notes in a TEDI unit offering.

With TEDI Open in proxy
Frederick W. Buckman Jr.
Related party, as stated in the TEDI disclosure
$312,493
April 2024 through February 2025

Purchased Terrestrial Convertible Notes in a TEDI unit offering.

With TEDI Open in proxy
Hugh MacDiarmid
Related party, as stated in the TEDI disclosure
$184,370
April 2024 through February 2025

Purchased Terrestrial Convertible Notes in a TEDI unit offering.

With TEDI Open in proxy
David Hill
Related party, as stated in the TEDI disclosure
$131,247
April 2024 through February 2025

Purchased Terrestrial Convertible Notes in a TEDI unit offering.

With TEDI Open in proxy
Simon Irish
Related party, as stated in the TEDI disclosure
$100,000
April 2024 through February 2025

Purchased Terrestrial Convertible Notes directly in a TEDI unit offering.

With TEDI Open in proxy
Benefit plan of which Simon Irish is the sole beneficiary
Benefit plan of which Simon Irish is the sole beneficiary
$212,493
April 2024 through February 2025

Purchased Terrestrial Convertible Notes through a benefit plan in a TEDI unit offering.

With TEDI Open in proxy
David LeBlanc
Related party, as stated in the TEDI disclosure
$42,500
April 2024 through February 2025

Purchased Terrestrial Convertible Notes directly in a TEDI unit offering.

With TEDI Open in proxy
Entity wholly owned by the wife of David LeBlanc
Entity wholly owned by the wife of David LeBlanc
$97,750

Purchased Terrestrial Convertible Notes indirectly through an entity wholly owned by his wife.

Charles Pardee
$50,000

Purchased Terrestrial Convertible Notes in a TEDI unit offering.

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