Browse EX-10 agreements

PRIVATE PLACEMENT SHARES PURCHASE AGREEMENT

THIS PRIVATE PLACEMENT SHARES PURCHASE AGREEMENT (as it may from time to time be amended and including all exhibits referenced herein, this “Agreement”), dated as of [•], 2026, is entered into by and between Research Alliance Corporation III, a Cayman Islands exempted company (the “Company”), and Research Alliance Holdings III LLC, a Cayman Islands limited liability company (the “Purchaser”).

WHEREAS, the Company intends to consummate an initial public offering (the “Public Offering”) of the Company’s Class A ordinary shares, par value $0.0001 per share (each, a “Share”), as set forth in the Company’s Registration Statement on Form S-1, filed with the U.S. Securities and Exchange Commission (the “SEC”), File Number 333-294549 under the Securities Act of 1933, as amended (the “Securities Act”).

WHEREAS, the Purchaser has agreed to purchase an aggregate of 275,000 Shares (the “Private Placement Shares”).

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REGISTRATION AND SHAREHOLDER RIGHTS AGREEMENT

THIS REGISTRATION AND SHAREHOLDER RIGHTS AGREEMENT (this “Agreement”), dated as of [•], 2026, is made and entered into by and among Research Alliance Corporation III, a Cayman Islands exempted company (the “Company”), Research Alliance Holdings III LLC, a Cayman Islands limited liability company (the “Sponsor”), and the undersigned parties listed under Holder on the signature page hereto (each such party, including the Sponsor and any person or entity who hereafter becomes a party to this Agreement pursuant to Section 6.2 of this Agreement, a “Holder” and collectively, the “Holders”).

RECITALS

WHEREAS, the Sponsor currently owns 1,245,269 shares of the Company’s Class B ordinary shares, par value $0.0001 per share (the “ClassB Ordinary Shares”), and the other Holders currently own an aggregate of 78,260 Class B Ordinary Shares, which were received from the Sponsor;

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INVESTMENT MANAGEMENT TRUST AGREEMENT

This Investment Management Trust Agreement (this “Agreement”) is made effective as of [•], 2026 by and between Research Alliance Corporation III, a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”).

WHEREAS, the Company’s registration statement on Form S-1, File No. 333-294549 (the “Registration Statement”) and prospectus (the “Prospectus”) for the initial public offering of the Company’s Class A ordinary shares, par value $0.0001 per share (“Ordinary Shares”) (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; and

WHEREAS, the Company has entered into an Underwriting Agreement (the “Underwriting Agreement”) with Leerink Partners, as sole underwriter named therein (the “Underwriter”); and

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