Exhibit 5.1

September 4, 2026

Corvex, Inc.

3401 North Fairfax Drive, Suite 3230

Arlington, Virginia 22226

Ladies and Gentlemen:

We have acted as counsel to Corvex, Inc., a Delaware corporation formerly known as “Movano Inc.” (the “Company”), in connection with the Registration Statement on Form S-8 to be filed by the Company on the date hereof (the “Registration Statement”) with the U.S. Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933, as amended (the “Securities Act”), to register an aggregate of 523,211 shares (collectively, the “Shares” and each, a “Share”) of the Company’s common stock, par value $0.0001 per share (“Common Stock”) underlying performance stock units (collectively, the “PSUs”) to be issued as non-plan “inducement awards” as contemplated by The Nasdaq Stock Market Listing Rule 5635(c)(4) under the Executive Employment Agreement, dated as of April 28, 2026, entered into by and between the Company and Christopher Moreland (the “Employment Agreement”), and therefore not under the Corvex, Inc. 2026 Equity Incentive Plan having an effective date of March 19, 2026 (the “2026 Plan”), but nonetheless subject to the terms and conditions of the 2026 Plan as if granted pursuant to the 2026 Plan, and pursuant to a form of Notice of Grant of Performance Shares and the Terms and Conditions of Performance Shares attached thereto (the “Award Agreement”).

This opinion letter is being furnished to you in accordance with the requirements of Item 601(b)(5) of Regulation S-K under the Securities Act.

For purposes of rendering our opinion below, we have examined (collectively, the “Reviewed Documents”):

(a) the Registration Statement;

(b) the 2026 Plan;

(c) the Employment Agreement;

(d) the Award Agreement;

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September 4, 2026

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(e) the Third Amended and Restated Certificate of Incorporation of the Company as filed with the Secretary of State of the State of Delaware (the “Secretary of State”) on March 24, 2021, as amended by the Certificate of Amendment of Third Amended and Restated Certificate of Incorporation of the Company as filed with the Secretary of State on June 21, 2023, as amended by the Certificate of Amendment of Third Amended and Restated Certificate of Incorporation of the Company as filed with the Secretary of State on July 9, 2024, as amended by the Certificate of Amendment of Third Amended and Restated Certificate of Incorporation of the Company as filed with the Secretary of State on October 25, 2024 and effective as of 12:01 a.m. Eastern Time on October 29, 2024, as amended by the Certificate of Amendment of Third Amended and Restated Certificate of Incorporation of the Company as filed with the Secretary of State on October 8, 2025 and effective as of 12:01 a.m. Eastern Time on October 10, 2025, as amended by the Certificate of Designations of Series A Convertible Preferred Stock of the Company as filed with the Secretary of State on November 6, 2025, as amended by the Certificate of Designations of Series B Convertible Preferred Stock of the Company as filed with the Secretary of State on March 19, 2026, as amended by the Certificate of Designations of Series C Non-Voting Convertible Preferred Stock of the Company as filed with the Secretary of State on March 19, 2026, as amended by the Certificate of Designations of Series D Non-Voting Convertible Preferred Stock of the Company as filed with the Secretary of State on March 19, 2026, as amended by the Certificate of Amendment of Third Amended and Restated Certificate of Incorporation of the Company as filed with the Secretary of State on March 19, 2026 and effective as of 12:01 a.m. Eastern Time on March 23, 2026, and as amended by the Certificate of Increase of Series D Non-Voting Convertible Preferred Stock of the Company as filed with the Secretary of State on July 1, 2026 (collectively, the “Certificate of Incorporation”);

(f) the Company’s Second Amended and Restated Bylaws, adopted effective as of March 23, 2026 (the “Bylaws” and together with the Certificate of Incorporation, the “Organizational Documents”);

(g) the resolutions adopted by the Board of Directors of the Company (the “Board”) by unanimous consent in lieu of a meeting effective as of March 19, 2026 authorizing and approving the assumption of the 2026 Plan;

(h) the resolutions adopted by the Compensation Committee of the Board (the “Compensation Committee”) at a meeting of the Compensation Committee held on April 27, 2026 authorizing and approving the Employment Agreement;

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September 4, 2026

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(i) the minutes of the annual meeting of stockholders of the Company held on July 1, 2026 at which the stockholders of the Company approved the 2026 Plan; and

(j) a fact certificate of an officer of the Company, dated as of the date hereof.

For purposes of rendering our opinion below, we have not examined any document other than the Reviewed Documents and assume that there exists no provision in any document relating to the matters covered by our opinion below that we have not examined that is inconsistent with the Reviewed Documents or our opinion below. We have conducted no independent factual investigation of our own but rather have relied on the Reviewed Documents, the statements and information set forth therein, and the additional matters recited or assumed herein, all of which we assume to be true, complete, and accurate in all respects.

For purposes of this opinion letter, we have made assumptions that are customary in opinion letters of this kind, including the assumptions that: (a) each of the Reviewed Documents is accurate and complete; (b) each of the Reviewed Documents that is an original is authentic; (c) each of the Reviewed Documents that is a copy conforms to an authentic original; (d) all signatures on each of the Reviewed Documents are genuine; and (e) there are no documents other than the Reviewed Documents that could affect the opinion expressed in this opinion letter and no amendments, modifications, or waivers of the Reviewed Documents. We have further assumed (i) the legal capacity of natural persons, (ii) that each party to the Reviewed Documents (A) is duly formed or incorporated, as applicable, organized, validly existing, and in good standing under the laws of the state of its formation or incorporation, as applicable, (B) has the legal capacity, power, and authority to execute, deliver, and perform its obligations under the Reviewed Documents to which it is a party, (C) has taken all action necessary to duly authorize the execution and delivery of, and the performance of such party’s obligations under, the Reviewed Documents, and (D) has duly executed and delivered the Reviewed Documents, (iii) the Reviewed Documents constitute the legal, valid, and binding obligation of each party thereto, enforceable against each such party in accordance with their terms, (iv) the issuance of the PSUs and the issuance of the Shares, in each case, will not increase the proportionate share of Common Stock owned (within the meaning of Section 203(c) of the General Corporation Law of the State of Delaware (the “DGCL”)) by an “interested stockholder” (within the meaning of Section 203(c) of the DGCL), (v) the Company is and shall remain at all times a corporation duly incorporated, validly existing, and in good standing under the laws of the State of Delaware, and (vi) any amendment, restatement, or amendment and restatement or assumption of the Reviewed Documents was accomplished in accordance with, and was permitted by, the relevant provisions of such document and applicable law. We have not verified any of the foregoing assumptions.

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September 4, 2026

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In rendering our opinion below, we also have assumed that: (a) the Company had sufficient authorized, unissued, unsubscribed for, and uncommitted to be issued shares of Common Stock available for issuance at the time of the issuance of the PSUs to permit the issuance of Shares pursuant to the Award Agreement; (b) the Company will have sufficient authorized, unissued, unsubscribed for, and uncommitted to be issued shares of Common Stock available for issuance at the time of each issuance of a Share pursuant to the Award Agreement; (c) prior to the granting of the PSUs or the issuance of any of the Shares, the Compensation Committee will duly authorize by resolution the Award Agreement, the PSUs, and the issuance of the Shares upon vesting of the PSUs as provided in the Award Agreement, in each case, in accordance with the DGCL and the 2026 Plan (such resolutions, the “Authorizing Resolutions”); (d) in accordance with Section 158 of the DGCL, upon the issuance of a Share, either (i) such Share will be evidenced by a certificate that has been duly executed and delivered, or (ii) the Board will have adopted resolutions (that have not been rescinded or revoked) providing that all shares of Common Stock shall be uncertificated prior to the issuance of such Share and, within a reasonable time after the issuance of any such uncertificated Share, the registered owner of such Share will be given notice in writing or by electronic transmission in compliance with Section 151(f) of the DGCL; (e) other than those that have been disclosed by the Company in filings made by the Company with the Commission since January 1, 2020, there are no contracts with one or more current or prospective stockholders of the Company (or one or more beneficial owners of stock of the Company), in its or their capacity as such, within the meaning of Section 122(18) of the DGCL; (f) the issuance of each Share will be duly recorded in the Company’s stock ledger upon its issuance; (g) each of the Employment Agreement, the 2026 Plan, and the Award Agreement constitutes or will constitute, as applicable, the valid and binding agreement of the Company, enforceable against the Company in accordance with its terms; (h) the Company will receive consideration for each Share as set forth in the Authorizing Resolutions and the Award Agreement, which consideration shall be at least equal to the par value of such share of Common Stock (unless such Share is held in treasury, in which case, the consideration shall be the amount as set forth in the Authorizing Resolutions and the Award Agreement), and, in the amount required by the 2026 Plan and the Award Agreement; and (i) the Company shall have received the minimum consideration for which the PSUs were issued pursuant to the Authorizing Resolutions, the 2026 Plan, and the Award Agreement. We have not verified any of the foregoing assumptions.

Our opinion set forth below is limited to the DGCL and reported judicial decisions interpreting the DGCL. We express no opinion as to the laws, rules, or regulations of any other jurisdiction, including, without limitation, the federal laws of the United States of America or any state securities or blue sky laws; we express no opinion with respect to the Corporate Transparency Act.

Corvex, Inc.

September 4, 2026

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The above opinion is expressed as of the date hereof, and we disclaim any undertaking to advise you of any subsequent changes to the facts stated or assumed herein and subsequent changes in applicable laws.

We hereby consent to the filing of this opinion letter with the Commission as Exhibit 5.1 to the Registration Statement. In giving this consent, we do not thereby admit that we are experts with respect to any part of the Registration Statement within the meaning of the term “expert” as used in Section 11 of the Securities Act or the rules and regulations promulgated thereunder by the Commission, nor do we admit that we are within the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of the Commission promulgated thereunder.