Browse EX-10 agreements

AMENDMENT NO. 2 TO BUSINESS COMBINATION AGREEMENT, dated as of July 6, 2026 (this “Amendment”), by and among Plum Acquisition Corp. IV, a Cayman Islands exempted company (the “Purchaser”), Plum IV Merger Sub Inc., a Delaware corporation and a direct wholly owned subsidiary of the Purchaser (“Merger Sub”), and Controlled Thermal Resources Holdings Inc., a Delaware corporation (the “Company” and together with the Purchaser and Merger Sub, the “Parties”).

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RECITALS

A. The Parties entered into a Business Combination Agreement dated as of March 8, 2026 (as amended on May 15, 2026, the “Business Combination Agreement”).

B. The Parties wish to enter into this Amendment to make certain amendments to the Business Combination Agreement as set out herein.

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AGREEMENT

In consideration of the foregoing and the mutual covenants and agreements herein contained, the Parties hereby agree as follows:

	1.01	Amendments

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**HEARTSCIENCES INC. **

2023 Equity Incentive Plan

RESTRICTED STOCK UNITS GRANT NOTICE

HeartSciences Inc., a Texas corporation (the “Company”), pursuant to its 2023 Equity Incentive Plan (as amended, modified or restated from time to time, the “Plan”), hereby grants to the holder listed below (“Participant”) the number of Restricted Stock Units set forth below (the “RSUs”). The RSUs are subject to the terms and conditions set forth in this Restricted Stock Units Grant Notice (the “Grant Notice”), dated as of July 7, 2026 and effective as of the Grant Date (as defined in the Agreement (as defined below)), the Plan and the Restricted Stock Units Agreement attached hereto as Exhibit A (the “Agreement”), each of which are incorporated into this Grant Notice by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Grant Notice and the Agreement.

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AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

This AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT (this “Amendment”), dated as of July 7, 2026 and effective as of the Closing Date (as defined below), is entered into by and between HeartSciences Inc., a Texas corporation (the “Company”), and Danielle Watson (the “Employee”). The Company and the Employee shall collectively be referred to herein as the “Parties”. Capitalized terms used in this Amendment but not defined herein have the meanings ascribed to them in the Employment Agreement (as defined below).

WHEREAS, the Parties have previously entered into that certain Employment Agreement, dated as of October 15, 2021 (the “Employment Agreement”); and

WHEREAS, the Parties now desire to amend the Employment Agreement as set forth herein.

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Exhibit 10.1

GENCO SHIPPING & TRADING LIMITED

AMENDED AND RESTATED 2015 EQUITY INCENTIVE PLAN

ARTICLE I

General

1.1

Purpose

The Genco Shipping & Trading Limited Amended and Restated 2015 Equity Incentive Plan (the “Plan”) is designed to provide certain key persons, on whose initiative and efforts the successful conduct of the business of Genco Shipping & Trading Limited, a Marshall Islands corporation (the “Company”) depends, and who are responsible for the management, growth and protection of the business of the Company, with incentives to: (a) enter into and remain in the service of the Company, a Company subsidiary or a Company joint venture, (b) acquire a proprietary interest in the success of the Company, (c) maximize their performance and (d) enhance the long-term performance of the Company (whether directly or indirectly through enhancing the long-term performance of a Company subsidiary or a Company joint venture).

1.2

Administration

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REGISTRATION RIGHTS AGREEMENT

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of July 8, 2026, is made and entered into by and among Columbus Circle Capital Corp III, a Cayman Islands exempted company (the “Company”), Columbus Circle 3 Sponsor Corporation LLC, a Delaware limited liability company (the “Sponsor”), Cohen & Company Capital Markets, a division of Cohen &Company Securities, LLC and Clear Street LLC (each a “Representative” and collectively, the “Representatives”) and the undersigned parties listed on the signature page hereto (each such party, together with the Sponsor, the Representatives and any person or entity who hereafter becomes a party to this Agreement pursuant to Section 5.2 of this Agreement, a “Holder” and collectively the “Holders”).

RECITALS

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July 8, 2026

Columbus Circle Capital Corp III

3 Columbus Circle, 24th Floor

New York NY 10019

Re: Initial Public Offering

Ladies and Gentlemen:

This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and among Columbus Circle Capital Corp III, a Cayman Islands exempted company (the “Company”) and Cohen & Company Capital Markets, a division of Cohen & Company Securities, LLC and Clear Street LLC, as representatives (each a “Representative” and collectively the “Representatives”) of the underwriters (the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”), of up to 23,000,000 of the Company’s units (including up to 3,000,000 units which may be purchased to cover over-allotments, if any) (the “Units”), each comprised of one Class A ordinary share, par value $0.0001 per share, of the Company (the “Class A Ordinary Shares”) and one-third of one redeemable warrant (each whole warrant, a “*

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INVESTMENT MANAGEMENT TRUST AGREEMENT

This Investment Management Trust Agreement (this “Agreement”) is made effective as of July 8, 2026 by and between Columbus Circle Capital Corp III, a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the *“Truste*e”).

WHEREAS, the Company’s registration statement on Form S-1, (File No. 333-296208) (the “Registration Statement”) and prospectus (the “Prospectus”) for the initial public offering of the Company’s units (the “Units”), each of which consists of one of the Company’s Class A ordinary shares, par value $0.0001 per share (the “Ordinary Shares”), and one-third of one redeemable warrant, each whole warrant entitling the holder thereof to purchase one Ordinary Share (such initial public offering hereinafter referred to as the “Offering”), has been declared effective as of the date hereof by the U.S. Securities and Exchange Commission;

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PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT

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THIS PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT, dated as of July 8, 2026 (as it may from time to time be amended, this “Agreement”), is entered into by and between Columbus Circle Capital Corp III, a Cayman Islands exempted company (the “Company”), and Columbus Circle 3 Sponsor Corporation LLC, a Delaware limited liability company (the “Purchaser”).

WHEREAS, the Company intends to consummate an initial public offering of the Company’s units (the “Public Offering”), each unit consisting of one Class A Ordinary Share, par value $0.0001 per share, of the Company (an “Ordinary Share”), and one-third of one redeemable warrant (a “Warrant”) to purchase Ordinary Share (a “Warrant Share”) to be governed by the Warrant Agreement to be entered into between the Company and Continental Stock Transfer & Trust Company, as warrant agent (the “Warrant Agreement”). Each whole Warrant entitles the holder to purchase one Ordinary Share at an exercise price of $11.50 per Ordinary Share. The Purchaser has agre

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FORM OF INDEMNITY AGREEMENT

THIS INDEMNITY AGREEMENT (this “Agreement”) is made as of July 8, 2026, by and between Columbus Circle Capital Corp III, a Cayman Islands exempted company (the “Company”), and the undersigned (“Indemnitee”).

RECITALS

WHEREAS, highly competent persons have become more reluctant to serve publicly-held companies as directors, officers or in other capacities unless they are provided with adequate protection through insurance or adequate indemnification against inordinate risks of claims and actions against them arising out of their service to and activities on behalf of such companies;

WHEREAS, the Board of Directors of the Company (the “Board”) has determined that, in order to attract and retain qualified individuals, the Company will attempt to maintain on an ongoing basis, at its sole expense, liability insurance to protect persons serving the Company and its Subsidiaries (as defined below) from certain liabilities;

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PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT

This PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT (this “Agreement”) is made as of the 8th day of July, 2026, by and between Columbus Circle Capital Corp III, a Cayman Islands exempted company (the “Company”) and Cohen & Company Capital Markets, a division of Cohen & Company Securities, LLC (“CCM”) and Clear Street LLC (“Clear Street” each a “Subscriber” and collectively with CCM, the “Subscribers”).

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**COLUMBUS CIRCLE CAPITAL CORP III **

3 Columbus Circle, 24th Floor

New York NY, 10019

July 8, 2026

Cohen & Company LLC

3 Columbus Circle, 24th Floor

New York NY, 10019

Re:	Administrative Services Agreement

Ladies and Gentlemen:

This letter agreement by and between Columbus Circle Capital Corp III (the “Company”) and Cohen & Company LLC (the “Services Provider”), dated as of the date hereof, will confirm our agreement that, commencing on the date the securities of the Company are first listed on the Nasdaq Global Market (the “Listing Date”), pursuant to a Registration Statement on Form S-1 and prospectus filed with the U.S. Securities and Exchange Commission (the “Registration Statement”) and continuing until the earlier of the consummation by the Company of an initial business combination and the Company’s liquidation (in each case as described in the Registration Statement) (such earlier date hereinafter referred to as the “Termination Date”):

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**HEARTSCIENCES INC. **

2023 Equity Incentive Plan

RESTRICTED STOCK UNITS GRANT NOTICE

HeartSciences Inc., a Texas corporation (the “Company”), pursuant to its 2023 Equity Incentive Plan (as amended, modified or restated from time to time, the “Plan”), hereby grants to the holder listed below (“Participant”) the number of Restricted Stock Units set forth below (the “RSUs”). The RSUs are subject to the terms and conditions set forth in this Restricted Stock Units Grant Notice (the “Grant Notice”), dated as of July 7, 2026 and effective as of the Grant Date (as defined in the Agreement (as defined below)), the Plan and the Restricted Stock Units Agreement attached hereto as Exhibit A (the “Agreement”), each of which are incorporated into this Grant Notice by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Grant Notice and the Agreement.

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