UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): February 28, 2022

SUPERNOVA PARTNERS ACQUISITION COMPANY II, LTD.

(Exact Name of Registrant as Specified in Charter)

(202) 918-7050

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

On February 28, 2022, Supernova Partners Acquisition Company II, Ltd., a Cayman Islands exempted company (“Supernova” and, following the consummation of the Domestication and Business Combination, as defined below, “New Rigetti”) convened an extraordinary general meeting of stockholders (the “Extraordinary General Meeting”) held in connection with Supernova’s previously announced domestication as a Delaware corporation (the “Domestication”) business combination with Rigetti Holdings, Inc. (“Rigetti”), Supernova Merger Sub, Inc.(First Merger Sub) and Romeo Supernova Merger Sub, LLC (“Second Merger Sub”) pursuant to the Agreement and Plan of Merger, dated as of October 6, 2021 (as amended, the “Merger Agreement”) and the transactions contemplated thereby (such transactions, the “Business Combination”). Pursuant to the terms of the Merger Agreement, the Business Combination will be effected through the merger of First Merger Sub with and into Rigetti, with Rigetti surviving the merger as a wholly owned subsidiary of New Rigetti, followed by a second merger, whereby Rigetti will merger with and into the Second Merger Sub, with Second Merger Sub surviving such merger as a wholly owned subsidiary of New Rigetti. Each proposal voted on at the Extraordinary General Meeting is described in detail in Supernova’s definitive proxy statement/consent solicitation statement/prospectus filed with the U.S. Securities and Exchange Commission on February 10, 2022, and mailed to stockholders.

As of the close of business on January 18, 2022, the record date for the Extraordinary General Meeting, there were an aggregate of 34,500,000 shares of Class A common stock, par value $0.0001 per share, and 8,625,000 shares of Class B common stock, par value $0.0001 per share (together, the “Common Stock”), outstanding, each of which was entitled to one vote with respect to each proposal. A total of 27,253,615 shares of Common Stock, representing approximately 63.20% of the outstanding shares of Common Stock entitled to vote, were present in person or by proxy, constituting a quorum.

The voting results for the proposals voted on at the Extraordinary General Meeting are set forth below:

1. The Business Combination Proposal – To approve and adopt the Merger Agreement and the transactions contemplated thereby.

2. The Domestication Proposal – To approve that Supernova be transferred by way of continuation to Delaware pursuant to Article 47 of the amended and restated articles of association of Supernova, Part XII of the Companies Act (As Revised) of the Cayman Islands and Section 388 of the General Corporation Law of the State of Delaware and, immediately upon being de-registered in the Cayman Islands, Supernova be continued and domesticated as a corporation under the laws of the State of Delaware and, conditional upon, and with effect from, the registration of Supernova as a corporation in the State of Delaware, the name of Supernova be changed from “Supernova Partners Acquisition Company II, Ltd.” to “Rigetti Computing, Inc.”

3. The Proposed Charter and Bylaws Proposal – To approve amendments to Supernova’s articles of association currently in effect by deleting in their entirety and substitution in their place with the certification of incorporation and bylaws of Supernova, which be the certificate of incorporation and bylaws of Rigetti Computing, Inc.

4. The Advisory Governing Documents Proposals – To approve and adopt the following four (4) separate resolutions to approve the following material differences between the amended and restated memorandum and articles of association of Supernova and the Proposed Charter and Bylaws: (4A) To change the authorized share capital of Supernova; (4B) To authorize the board of directors of New Rigetti (the “New Rigetti Board”) to issue shares of New Rigetti preferred stock as may be determined by the New Rigetti Board and as may be permitted by the Delaware General Corporation Law; (4C) To remove the ability of New Rigetti stockholders to take action by written consent in lieu of a meeting unless such action has been recommended or approved pursuant to a resolution approved by the affirmative vote of all of the directors then in office; (4D) To approve to amend and restate the memorandum of association and the articles of association and authorize all other changes necessary or, as mutually agreed in good faith by Supernova and Rigetti, desirable in connection with the replacement of the memorandum of association and the articles of association with the proposed certificate of incorporation and bylaws as part of the domestication.

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5. The Stock Issuance Proposal – To approve, for purposes of complying with applicable listing rules of the New York Stock Exchange, the issuance of shares of common stock pursuant to the Merger Agreement.

6. The Direction Election Proposal – To elect each of the following directors to serve on the New Rigetti Board effective immediately following the consummation of the Business Combination: (i) Chad Rigetti; (ii) Alissa Fitzgerald; (iii) Gen. Peter Pace; (iv) Ray Johnson; (v) David Cowan; (vi) Cathy McCarthy; (vii) Michael Clifton; and (viii) H. Gail Sandford.

7. The Equity Incentive Plan Proposal – To approve and adopt the New Rigetti 2022 Equity Incentive Plan.

8. The Employee Stock Purchase Plan Proposal – To approve and adopt the New Rigetti Employee Stock Purchase Plan.

On February 28, 2022, Supernova issued a press release announcing voting results relating to the Extraordinary General Meeting. A copy of the press release is being furnished herewith as Exhibit 99.1.

The information contained in this Current Report on Form 8-K pursuant to this Item 7.01, including the exhibit attached hereto, is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

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(d)     Exhibits. The following exhibits are filed with this Form 8-K:

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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