Document:

EX-4.2

 Exhibit 4.2 

Description of Securities 
 The following
summary of the material terms of the securities of ABG Acquisition Corp. I (“we,” “us,” “our” or “the company”) is not intended to be a complete summary of the rights and preferences of such securities and is
subject to and qualified by reference to our amended and restated memorandum and articles of association incorporated by reference as an exhibit to the company’s Annual Report on Form 10-K for the period
ended December 31, 2021 (the “Report”), and applicable Cayman Islands law. We urge you to read our amended and restated memorandum and articles of association in their entirety for a complete description of the rights and preferences
of our securities. 
 General 
 We are a Cayman Islands
exempted company and our affairs are governed by our amended and restated memorandum and articles of association, the Companies Act and the common law of the Cayman Islands. Pursuant to our amended and restated memorandum and articles of
association, we are authorized to issue 500,000,000 Class A ordinary shares, $0.0001 par value each, 50,000,000 Class B ordinary shares, $0.0001 par value each, as well as 5,000,000 preference shares, $0.0001 par value each. The following
description summarizes certain terms of our shares as set out more particularly in our amended and restated memorandum and articles of association. Because it is only a summary, it may not contain all the information that is important to you. 

Ordinary Shares 
 As of date of the Report, there were
19,332,550 ordinary shares outstanding, consisting of (i)15,566,300 Class A ordinary shares outstanding, including 15,065,000 Class A ordinary shares issued as part of our initial public offering and 501,300 Class A ordinary shares
issued in a private placement, and (ii) 3,766,250 Class B ordinary shares outstanding, all of which were held of record by our initial shareholders. 

Any conversion of Class B ordinary shares described herein will take effect as a redemption of Class B ordinary shares and an issuance of
Class A ordinary shares as a matter of Cayman Islands law. 
 Ordinary shareholders of record are entitled to one vote for each ordinary share held on
all matters to be voted on by shareholders. Holders of Class A ordinary shares and holders of Class B ordinary shares will vote together as a single class on all matters submitted to a vote of our shareholders except as required by law.
Unless specified in our amended and restated memorandum and articles of association, or as required by applicable provisions of the Companies Act or applicable stock exchange rules, the affirmative vote of a majority of our ordinary shares that are
voted is required to approve any such matter voted on by our shareholders. Approval of certain actions will require a special resolution under Cayman Islands law, being the affirmative vote of at least
two-thirds of the ordinary shares that are voted, and pursuant to our amended and restated memorandum and articles of association; such actions include amending our amended and restated memorandum and articles
of association and approving a statutory merger or consolidation with another company. Our board of directors is divided into three classes, each of which will generally serve for a term of three years with only one class of directors being
appointed in each year. There is no cumulative voting with respect to the appointment of directors, with the result that the holders of more than 50% of the shares voted for the appointment of directors can elect all of the

 
directors. However, only holders of Class B ordinary shares are entitled to vote on the appointment of directors in any election held prior to or in connection with the completion of our
initial business combination, meaning that holders of Class A ordinary shares do not have the right to appoint any directors until after the completion of our initial business combination. Our shareholders are entitled to receive ratable
dividends when, as and if declared by the board of directors out of funds legally available therefor. 
 Because our amended and restated memorandum and
articles of association authorize the issuance of up to 500,000,000 Class A ordinary shares, if we were to enter into a business combination, we may (depending on the terms of such a business combination) be required to increase the number of
Class A ordinary shares which we are authorized to issue at the same time as our shareholders vote on the business combination to the extent we seek shareholder approval in connection with our initial business combination. Our board of
directors is divided into three classes with only one class of directors being appointed in each year and each class (except for those directors appointed prior to our first annual general meeting) serving a three-year term. 

In accordance with Nasdaq corporate governance requirements, we are not required to hold an annual general meeting until one year after our first fiscal year
end following our listing on Nasdaq. There is no requirement under the Companies Act for us to hold annual or general meetings to appoint directors. We may not hold an annual general meeting to appoint new directors prior to the consummation of our
initial business combination. 
 We will provide our public shareholders with the opportunity to redeem all or a portion of their Class A ordinary
shares upon the completion of our initial business combination at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the trust account calculated as of two business days prior
to the consummation of our initial business combination, including interest earned on the funds held in the trust account and not previously released to us to pay our taxes, divided by the number of then outstanding public shares, subject to the
limitations and on the conditions described herein. The amount in the trust account is initially anticipated to be $10.00 per public share. The per share amount we will distribute to investors who properly redeem their shares will not be reduced by
the deferred underwriting commissions we will pay to the underwriters. Our sponsor, officers and directors have entered into a letter agreement with us, pursuant to which they have agreed to waive their redemption rights with respect to their
founder shares, private placement shares and public shares in connection with the completion of our initial business combination. Unlike many special purpose acquisition companies that hold shareholder votes and conduct proxy solicitations in
conjunction with their initial business combinations and provide for related redemptions of public shares for cash upon completion of such initial business combinations even when a vote is not required by law, if a shareholder vote is not required
by law and we do not decide to hold a shareholder vote for business or other legal reasons, we will, pursuant to our amended and restated memorandum and articles of association, conduct the redemptions pursuant to the tender offer rules of the
Securities and Exchange Commission (the “SEC”), and file tender offer documents with the SEC prior to completing our initial business combination. Our amended and restated memorandum and articles of association require these tender offer
documents to contain substantially the same financial and other information about our initial business combination and the redemption rights as is required under the SEC’s proxy rules. If, however, a shareholder approval of the transaction is
required by law, or we decide to obtain shareholder approval for business or other reasons, we will, like many special purpose acquisition companies, offer to redeem shares in conjunction with a proxy solicitation pursuant to the proxy rules and not
pursuant to the 

 
tender offer rules. If we seek shareholder approval, we will complete our initial business combination only if it is approved by an ordinary resolution under Cayman Islands law, which requires
the affirmative vote of a majority of the shareholders who attend and vote at a general meeting of the company. However, the participation of our sponsor, officers, directors, advisors or their affiliates in privately-negotiated transactions, if
any, could result in the approval of our initial business combination even if a majority of our public shareholders vote, or indicate their intention to vote, against such initial business combination. For purposes of seeking approval of an ordinary
resolution, abstentions and broker non-votes will have no effect on the approval of our initial business combination once a quorum is obtained. Our amended and restated memorandum and articles of association
require that at least five days’ notice will be given of any general meeting. 
 If we seek shareholder approval of our initial business combination
and we do not conduct redemptions in connection with our initial business combination pursuant to the tender offer rules, our amended and restated memorandum and articles of association provide that a public shareholder, together with any affiliate
of such shareholder or any other person with whom such shareholder is acting in concert or as a “group” (as defined under Section 13 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), will be
restricted from redeeming its shares with respect to more than an aggregate of 15% of the shares sold in our initial public offering without our prior consent, which we refer to as the “Excess Shares.” However, we would not be restricting
our shareholders’ ability to vote all of their shares (including Excess Shares) for or against our initial business combination. Our shareholders’ inability to redeem the Excess Shares will reduce their influence over our ability to
complete our initial business combination, and such shareholders could suffer a material loss in their investment if they sell such Excess Shares on the open market. Additionally, such shareholders will not receive redemption distributions with
respect to the Excess Shares if we complete our initial business combination. And, as a result, such shareholders will continue to hold that number of shares exceeding 15% and, in order to dispose such shares would be required to sell their shares
in open market transactions, potentially at a loss. 
 If we seek shareholder approval in connection with our initial business combination, our sponsor,
officers and directors have agreed to vote their founder shares, private placement shares and any public shares purchased during or after our initial public offering (including in open market and privately-negotiated transactions) in favor of our
initial business combination. As a result, in addition to our initial shareholders’ founder shares and the private placement shares, we would need 5,398,726, or 35.8%, of the 15,065,000 public shares sold in our initial public offering to be
voted in favor of an initial business combination in order to have our initial business combination approved (assuming all outstanding shares are voted and the over-allotment option is not exercised). Further, if our initial business combination is
structured as a statutory merger or consolidation with another company under Cayman Islands law, the approval of our initial business combination will require a special resolution passed by the affirmative vote of at least two-thirds of our ordinary shares which are represented in person or by proxy and are voted at a general meeting of the company. Additionally, each public shareholder may elect to redeem their public shares
irrespective of whether they vote for or against the proposed transaction or whether they were a public shareholder on the record date for the general meeting held to approve the proposed transaction. 

Pursuant to our amended and restated memorandum and articles of association, if we are unable to complete our initial business combination within 24 months
from the closing of our initial public offering, we will (i) cease all operations except for the purpose of winding up, 

 
(ii) as promptly as reasonably possible but no more than ten business days thereafter, redeem the public shares, at a per-share price, payable in cash,
equal to the aggregate amount then on deposit in the trust account, including interest earned on the funds held in the trust account (less taxes payable and up to $100,000 of interest to pay dissolution expenses), divided by the number of then
outstanding public shares, which redemption will completely extinguish public shareholders’ rights as shareholders (including the right to receive further liquidation distributions, if any), subject to applicable law and (iii) as promptly
as reasonably possible following such redemption, subject to the approval of our remaining shareholders and our board of directors, liquidate and dissolve, subject in each case to our obligations under Cayman Islands law to provide for claims of
creditors and in all cases subject to the other requirements of applicable law. Our sponsor, officers and directors have entered into a letter agreement with us, pursuant to which they have agreed to waive their rights to liquidating distributions
from the trust account with respect to their founder shares if we fail to complete our initial business combination within 24 months from the closing of our initial public offering (although they will be entitled to liquidating distributions from
the trust account with respect to any public shares they hold if we fail to complete our initial business combination within the prescribed time period. 

In the event of a liquidation, dissolution or winding up of the company after a business combination, our shareholders are entitled to share ratably in all
assets remaining available for distribution to them after payment of liabilities and after provision is made for each class of shares, if any, having preference over the ordinary shares. Our shareholders have no preemptive or other subscription
rights. There are no sinking fund provisions applicable to the ordinary shares, except that we will provide our public shareholders with the opportunity to redeem their public shares for cash at a per share price equal to the aggregate amount then
on deposit in the trust account, including interest earned on the funds held in the trust account and not previously released to us to pay our taxes, divided by the number of then outstanding public shares, upon the completion of our initial
business combination, subject to the limitations and on the conditions described herein. 
 Founder Shares and Private Placement Shares 

The founder shares are designated as Class B ordinary shares and, except as described below, are identical to the Class A ordinary shares sold in our
initial public offering, and holders of founder shares and private placement shares have the same shareholder rights as public shareholders, except that (i) the founder shares and private placement shares are subject to certain transfer
restrictions, as described in more detail below, (ii) the founder shares and the private placement shares are entitled to registration rights; (iii) our sponsor, officers and directors have entered into a letter agreement with us, pursuant
to which they have agreed to (A) waive their redemption rights with respect to their founder shares, private placement shares and public shares in connection with the completion of our initial business combination, (B) waive their
redemption rights with respect to their founder shares, private placement shares and public shares in connection with a shareholder vote to approve an amendment to our amended and restated memorandum and articles of association (x) to modify
the substance or timing of our obligation to allow redemption in connection with our initial business combination or to redeem 100% of our public shares if we have not consummated an initial business combination within 24 months from the closing of
our initial public offering or (y) with respect to any other provisions relating to shareholders’ rights or pre-initial business combination activity, (C) waive their rights to liquidating
distributions from the trust account with respect to their founder shares and private placement shares if we fail to complete our initial business combination within 24 months from the closing of our

 
initial public offering, although they will be entitled to liquidating distributions from the trust account with respect to any public shares they hold if we fail to complete our initial business
combination within such time period and (D) vote any founder shares and private placement shares held by them and any public shares purchased during or after our initial public offering (including in open market and privately-negotiated
transactions) in favor of our initial business combination, (iv) the founder shares are automatically convertible into Class A ordinary shares concurrently with or immediately following the consummation of our initial business combination
on a one-for-one basis, subject to adjustment as described herein and in our amended and restated memorandum and articles of association, and (v) only holders of
Class B ordinary shares are entitled to vote on the appointment of directors in any election held prior to or in connection with the completion of our initial business combination. 

The founder shares will automatically convert into Class A ordinary shares concurrently with or immediately following the consummation of our initial
business combination on a one-for-one basis, subject to adjustment for share sub-divisions, share capitalizations,
reorganizations, recapitalizations and the like, and subject to further adjustment as provided herein. In the case that additional Class A ordinary shares or equity-linked securities are issued or deemed issued in connection with our initial
business combination, the number of Class A ordinary shares issuable upon conversion of all founder shares will equal, in the aggregate, 20% of the total number of Class A ordinary shares outstanding (excluding the private placement
shares) after such conversion (after giving effect to any redemptions of Class A ordinary shares by public shareholders), including the total number of Class A ordinary shares issued, or deemed issued or issuable upon conversion or
exercise of any equity-linked securities or rights issued or deemed issued, by the company in connection with or in relation to the consummation of the initial business combination, excluding any Class A ordinary shares or equity-linked
securities exercisable for or convertible into Class A ordinary shares issued, or to be issued, to any seller in the initial business combination and any private placement shares issued to our sponsor, officers or directors upon conversion of
working capital loans; provided that such conversion of founder shares will never occur on a less than one-for-one basis. 

With certain limited exceptions, the founder shares are not transferable, assignable or salable (except to our officers and directors and other persons or
entities affiliated with our sponsor, each of whom will be subject to the same transfer restrictions) until the earlier of (A) one year after the completion of our initial business combination or earlier if, subsequent to our initial business
combination, the closing price of the Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the
like) for any 20 trading days within any 30-trading day period commencing at least 150 days after our initial business combination, and (B) the date following the completion of our initial business
combination on which we complete a liquidation, merger, share exchange or other similar transaction that results in all of our shareholders having the right to exchange their Class A ordinary shares for cash, securities or other property. With
certain limited exceptions, the private placement shares are not transferable, assignable or salable (except to our officers and directors and other persons or entities affiliated with our sponsor, each of whom will be subject to the same transfer
restrictions) until 30 days after the completion of our initial business combinations. 
 Register of Members 

Under Cayman Islands law, we must keep a register of members and there will be entered therein: 

 

	•	 	 the names and addresses of the members, a statement of the shares held by each member, and of the amount paid or
agreed to be considered as paid, on the shares of each member and the voting rights of shares of each member; 

	•	 	 whether voting rights are attached to the share in issue; 

 

	•	 	 the date on which the name of any person was entered on the register as a member; and 

 

	•	 	 the date on which any person ceased to be a member. 

Under Cayman Islands law, the register of members of our company is prima facie evidence of the matters set out therein (i.e., the register of members will
raise a presumption of fact on the matters referred to above unless rebutted) and a member registered in the register of members will be deemed as a matter of Cayman Islands law to have legal title to the shares as set against its name in the
register of members. Shareholders recorded in the register of members will be deemed to have legal title to the shares set against their name. However, there are certain limited circumstances where an application may be made to a Cayman Islands
court for a determination on whether the register of members reflects the correct legal position. Further, the Cayman Islands court has the power to order that the register of members maintained by a company should be rectified where it considers
that the register of members does not reflect the correct legal position. If an application for an order for rectification of the register of members were made in respect of our ordinary shares, then the validity of such shares may be subject to re-examination by a Cayman Islands court. 
 Preference Shares 

Our amended and restated memorandum and articles of association have authorized the issuance of 5,000,000 preference shares and provide that preference shares
may be issued from time to time in one or more series. Our board of directors is authorized to fix the voting rights, if any, designations, powers, preferences, the relative, participating, optional or other special rights and any qualifications,
limitations and restrictions thereof, applicable to the shares of each series. Our board of directors is able to, without shareholder approval, issue preference shares with voting and other rights that could adversely affect the voting power and
other rights of the holders of the ordinary shares and could have anti-takeover effects. The ability of our board of directors to issue preference shares without shareholder approval could have the effect of delaying, deferring or preventing a
change of control of us or the removal of existing management. We have no preference shares outstanding at the date of the Report. Although we do not currently intend to issue any preference shares, we cannot assure you that we will not do so in the
future. 
 Dividends 
 We have not paid any cash
dividends on our ordinary shares to date and do not intend to pay cash dividends prior to the completion of a business combination. The payment of cash dividends in the future will be dependent upon our revenues and earnings, if any, capital
requirements and general financial condition subsequent to completion of a business combination. The payment of any cash dividends subsequent to a business combination will be within the discretion of our board of directors at such time. If we incur
any indebtedness, our ability to declare dividends may be limited by restrictive covenants we may agree to in connection therewith. 

 Certain Differences in Corporate Law 

Cayman Islands companies are governed by the Companies Act. The Companies Act is modeled on English law but does not follow recent English law statutory
enactments, and differs from laws applicable to U.S. corporations and their shareholders. Set forth below is a summary of the material differences between the provisions of the Companies Act applicable to us and the laws applicable to companies
incorporated in the United States and their shareholders. 
 Mergers and Similar Arrangements. In certain circumstances, the Companies Act allows for
mergers or consolidations between two Cayman Islands companies, or between a Cayman Islands exempted company and a company incorporated in another jurisdiction (provided that it is facilitated by the laws of that other jurisdiction). 

Where the merger or consolidation is between two Cayman Islands companies, the directors of each company must approve a written plan of merger or
consolidation containing certain prescribed information. That plan of merger or consolidation must then be authorized by either (a) a special resolution (usually a majority of 662⁄3% in value of the voting shares voted at a general meeting) of the shareholders of each company; or (b) such other authorization, if any, as may be specified in such constituent company’s articles of
association. No shareholder resolution is required for a merger between a parent company (i.e., a company that owns at least 90% of the issued shares of each class in a subsidiary company) and its subsidiary company. The consent of each holder of a
fixed or floating security interest of a constituent company must be obtained, unless the court waives such requirement. If the Cayman Islands Registrar of Companies is satisfied that the requirements of the Companies Act (which includes certain
other formalities) have been complied with, the Registrar of Companies will register the plan of merger or consolidation. 
 Where the merger or
consolidation involves a foreign company, the procedure is similar, save that with respect to the foreign company, the directors of the Cayman Islands exempted company are required to make a declaration to the effect that, having made due enquiry,
they are of the opinion that the requirements set out below have been met: (i) that the merger or consolidation is permitted or not prohibited by the constitutional documents of the foreign company and by the laws of the jurisdiction in which
the foreign company is incorporated, and that those laws and any requirements of those constitutional documents have been or will be complied with; (ii) that no petition or other similar proceeding has been filed and remains outstanding or
order made or resolution adopted to wind up or liquidate the foreign company in any jurisdictions; (iii) that no receiver, trustee, administrator or other similar person has been appointed in any jurisdiction and is acting in respect of the
foreign company, its affairs or its property or any part thereof; and (iv) that no scheme, order, compromise or other similar arrangement has been entered into or made in any jurisdiction whereby the rights of creditors of the foreign company
are and continue to be suspended or restricted. 
 Where the surviving company is the Cayman Islands exempted company, the directors of the Cayman Islands
exempted company are further required to make a declaration to the effect that, having made due enquiry, they are of the opinion that the requirements set out below have been met: (i) that the foreign company is able to pay its debts as they
fall due and that the merger or consolidation is bona fide and not intended to defraud unsecured creditors of the foreign company; (ii) that in respect of the transfer of any security interest granted by the foreign company to the surviving or
consolidated company (a) consent or approval to the transfer has been obtained, released or waived; (b) the transfer is permitted by and has been 

 
approved in accordance with the constitutional documents of the foreign company; and (c) the laws of the jurisdiction of the foreign company with respect to the transfer have been or will be
complied with; (iii) that the foreign company will, upon the merger or consolidation becoming effective, cease to be incorporated, registered or exist under the laws of the relevant foreign jurisdiction; and (iv) that there is no other
reason why it would be against the public interest to permit the merger or consolidation. 
 Where the above procedures are adopted, the Companies Act
provides for a right of dissenting shareholders to be paid a payment of the fair value of their shares upon their dissenting to the merger or consolidation if they follow a prescribed procedure. In essence, that procedure is as follows: (a) the
shareholder must give his written objection to the merger or consolidation to the constituent company before the vote on the merger or consolidation, including a statement that the shareholder proposes to demand payment for his shares if the merger
or consolidation is authorized by the vote; (b) within 20 days following the date on which the merger or consolidation is approved by the shareholders, the constituent company must give written notice to each shareholder who made a written
objection; (c) a shareholder must within 20 days following receipt of such notice from the constituent company, give the constituent company a written notice of his intention to dissent including, among other details, a demand for payment of
the fair value of his shares; (d) within seven days following the date of the expiration of the period set out in paragraph (b) above or seven days following the date on which the plan of merger or consolidation is filed, whichever is
later, the constituent company, the surviving company or the consolidated company must make a written offer to each dissenting shareholder to purchase his shares at a price that the company determines is the fair value and if the company and the
shareholder agree the price within 30 days following the date on which the offer was made, the company must pay the shareholder such amount; and (e) if the company and the shareholder fail to agree on a price within such 30 day period, within
20 days following the date on which such 30 day period expires, the company (and any dissenting shareholder) must file a petition with the Cayman Islands Grand Court to determine the fair value and such petition must be accompanied by a list of the
names and addresses of the dissenting shareholders with whom agreements as to the fair value of their shares have not been reached by the company. At the hearing of that petition, the court has the power to determine the fair value of the shares
together with a fair rate of interest, if any, to be paid by the company upon the amount determined to be the fair value. Any dissenting shareholder whose name appears on the list filed by the company may participate fully in all proceedings until
the determination of fair value is reached. These rights of a dissenting shareholder are not available in certain circumstances, for example, to dissenters holding shares of any class in respect of which an open market exists on a recognized stock
exchange or recognized interdealer quotation system at the relevant date or where the consideration for such shares to be contributed are shares of any company listed on a national securities exchange or shares of the surviving or consolidated
company. 
 Moreover, Cayman Islands law has separate statutory provisions that facilitate the reconstruction or amalgamation of companies in certain
circumstances, schemes of arrangement will generally be more suited for complex mergers or other transactions involving widely held companies, commonly referred to in the Cayman Islands as a “scheme of arrangement” which may be tantamount
to a merger. In the event that a merger was sought pursuant to a scheme of arrangement (the procedures for which are more rigorous and take longer to complete than the procedures typically required to consummate a merger in the United States), the
arrangement in question must be approved by a majority in number of each class of shareholders and creditors with whom the arrangement is to be made and who must in addition represent three-fourths in value of each such class of shareholders or

 
creditors, as the case may be, that are present and voting either in person or by proxy at an annual general meeting, or extraordinary general meeting summoned for that purpose. The convening of
the meetings and subsequently the terms of the arrangement must be sanctioned by the Grand Court of the Cayman Islands. While a dissenting shareholder would have the right to express to the court the view that the transaction should not be approved,
the court can be expected to approve the arrangement if it satisfies itself that: 
  

	•	 	 we are not proposing to act illegally or beyond the scope of our corporate authority and the statutory provisions
as to majority vote have been complied with; 

  

	•	 	 the shareholders have been fairly represented at the meeting in question; 

 

	•	 	 the arrangement is such as a businessman would reasonably approve; and 

 

	•	 	 the arrangement is not one that would more properly be sanctioned under some other provision of the Companies Act
or that would amount to a “fraud on the minority.” 

 If a scheme of arrangement or takeover offer (as described below) is
approved, any dissenting shareholder would have no rights comparable to appraisal rights (providing rights to receive payment in cash for the judicially determined value of the shares), which would otherwise ordinarily be available to dissenting
shareholders of U.S. corporations. 
 Squeeze-out Provisions. When a takeover offer is made and accepted by
holders of 90% of the shares to whom the offer relates is made within four months, the offeror may, within a two-month period, require the holders of the remaining shares to transfer such shares on the terms
of the offer. An objection can be made to the Grand Court of the Cayman Islands but this is unlikely to succeed unless there is evidence of fraud, bad faith, collusion or inequitable treatment of the shareholders. 

Further, transactions similar to a merger, reconstruction and/or an amalgamation may in some circumstances be achieved through means other than these
statutory provisions, such as a share capital exchange, asset acquisition or control, or through contractual arrangements, of an operating business. 

Shareholders’ Suits. Maples and Calder, our Cayman Islands legal counsel, is not aware of any reported class action having been brought in a Cayman
Islands court. Derivative actions have been brought in the Cayman Islands courts, and the Cayman Islands courts have confirmed the availability for such actions. In most cases, we will be the proper plaintiff in any claim based on a breach of duty
owed to us, and a claim against (for example) our officers or directors usually may not be brought by a shareholder. However, based both on Cayman Islands authorities and on English authorities, which would in all likelihood be of persuasive
authority and be applied by a court in the Cayman Islands, exceptions to the foregoing principle apply in circumstances in which: 
  

	•	 	 a company is acting, or proposing to act, illegally or beyond the scope of its authority; 

 

	•	 	 the act complained of, although not beyond the scope of the authority, could be effected if duly authorized by
more than the number of votes which have actually been obtained; or 

  

	•	 	 those who control the company are perpetrating a “fraud on the minority.” 

 A shareholder may have a direct right of action against us where the individual rights of that shareholder
have been infringed or are about to be infringed. 
 Enforcement of Civil Liabilities. The Cayman Islands has a different body of securities laws as
compared to the United States and provides less protection to investors. Additionally, Cayman Islands companies may not have standing to sue before the federal courts of the United States. 

We have been advised by Maples and Calder, our Cayman Islands legal counsel, that the courts of the Cayman Islands are unlikely (i) to recognize or
enforce against us judgments of courts of the United States predicated upon the civil liability provisions of the federal securities laws of the United States or any state; and (ii) in original actions brought in the Cayman Islands, to impose
liabilities against us predicated upon the civil liability provisions of the federal securities laws of the United States or any state, so far as the liabilities imposed by those provisions are penal in nature. In those circumstances, although there
is no statutory enforcement in the Cayman Islands of judgments obtained in the United States, the courts of the Cayman Islands will recognize and enforce a foreign money judgment of a foreign court of competent jurisdiction without retrial on the
merits based on the principle that a judgment of a competent foreign court imposes upon the judgment debtor an obligation to pay the sum for which judgment has been given provided certain conditions are met. For a foreign judgment to be enforced in
the Cayman Islands, such judgment must be final and conclusive and for a liquidated sum, and must not be in respect of taxes or a fine or penalty, inconsistent with a Cayman Islands judgment in respect of the same matter, impeachable on the grounds
of fraud or obtained in a manner, and or be of a kind the enforcement of which is, contrary to natural justice or the public policy of the Cayman Islands (awards of punitive or multiple damages may well be held to be contrary to public policy). A
Cayman Islands Court may stay enforcement proceedings if concurrent proceedings are being brought elsewhere. 
 Special Considerations for Exempted
Companies. We are an exempted company with limited liability under the Companies Act. The Companies Act distinguishes between ordinary resident companies and exempted companies. Any company that is registered in the Cayman Islands but conducts
business mainly outside of the Cayman Islands may apply to be registered as an exempted company. 
 The requirements for an exempted company are essentially
the same as for an ordinary company except for the exemptions and privileges listed below: 
  

	•	 	 an exempted company does not have to file an annual return of its shareholders with the Registrar of Companies;

  

	•	 	 an exempted company’s register of members is not open to inspection; 

 

	•	 	 an exempted company does not have to hold an annual general meeting; 

 

	•	 	 an exempted company may issue shares with no par value; 

 

	•	 	 an exempted company may obtain an undertaking against the imposition of any future taxation (such undertakings
are usually given for 20 years in the first instance); 

  

	•	 	 an exempted company may register by way of continuation in another jurisdiction and be deregistered in the Cayman
Islands; 

	•	 	 an exempted company may register as a limited duration company; and 

 

	•	 	 an exempted company may register as a segregated portfolio company. 

“Limited liability” means that the liability of each shareholders is limited to the amount unpaid by the shareholders on the shares of the company
(except in exceptional circumstances, such as involving fraud, the establishment of an agency relationship or an illegal or improper purpose or other circumstances in which a court may be prepared to pierce or lift the corporate veil). 

Amended and Restated Memorandum and Articles of Association 

The Business Combination Article of our amended and restated memorandum and articles of association contain provisions designed to provide certain rights and
protections relating to our initial public offering that will apply to us until the completion of our initial business combination. These provisions cannot be amended without a special resolution. As a matter of Cayman Islands law, a resolution is
deemed to be a special resolution where it has been approved by either (i) at least two-thirds (or any higher threshold specified in a company’s articles of association) of a company’s
shareholders at a general meeting for which notice specifying the intention to propose the resolution as a special resolution has been given; or (ii) if so authorized by a company’s articles of association, by a unanimous written
resolution of all of the company’s shareholders. Our amended and restated memorandum and articles of association provide that special resolutions must be approved either by at least two-thirds of our
shareholders (i.e., the lowest threshold permissible under Cayman Islands law), or by a unanimous written resolution of all of our shareholders. 
 Our
initial shareholders, who collectively beneficially own 20% of our ordinary shares (excluding the private placement shares), will participate in any vote to amend our amended and restated memorandum and articles of association and will have the
discretion to vote in any manner they choose. Specifically, our amended and restated memorandum and articles of association provide, among other things, that: 
  

	•	 	 If we are unable to complete our initial business combination within 24 months from the closing of our initial
public offering, we will (i) cease all operations except for the purpose of winding up; (ii) as promptly as reasonably possible but no more than ten business days thereafter, redeem the public shares, at a
per-share price, payable in cash, equal to the aggregate amount then on deposit in the trust account, including interest earned on the funds held in the trust account (less taxes payable and up to $100,000 of
interest to pay dissolution expenses), divided by the number of then outstanding public shares, which redemption will completely extinguish public shareholders’ rights as shareholders (including the right to receive further liquidation
distributions, if any) and (iii) as promptly as reasonably possible following such redemption, subject to the approval of our remaining shareholders and our board of directors, liquidate and dissolve, subject in each case to our obligations
under Cayman Islands law to provide for claims of creditors and in all cases subject to the other requirements of applicable law; 

  

	•	 	 Prior to our initial business combination, we may not issue additional securities that would entitle the holders
thereof to (i) receive funds from the trust account or (ii) vote on our initial business combination; 

	•	 	 Although we do not intend to enter into a business combination with a target business that is affiliated with our
sponsor, our directors or our officers, we are not prohibited from doing so. In the event we enter into such a transaction, we, or a committee of independent directors, will obtain an opinion from an independent investment banking firm which is a
member of FINRA or a valuation or appraisal firm that such a business combination is fair to our company from a financial point of view; 

  

	•	 	 If a shareholder vote on our initial business combination is not required by law and we do not decide to hold a
shareholder vote for business or other legal reasons, we will offer to redeem our public shares pursuant to Rule 13e-4 and Regulation 14E of the Exchange Act, and will file tender offer documents with the SEC
prior to completing our initial business combination which contain substantially the same financial and other information about our initial business combination and the redemption rights as is required under Regulation 14A of the Exchange Act;

  

	•	 	 If our shareholders approve an amendment to our amended and restated memorandum and articles of association
(A) to modify the substance or timing of our obligation to allow redemption in connection with our initial business combination or to redeem 100% of our public shares if we do not complete our initial business combination within 24 months from
the closing of our initial public offering or (B) with respect to any other provisions relating to shareholders’ rights or pre-initial business combination activity, we will provide our public
shareholders with the opportunity to redeem all or a portion of their Class A ordinary shares upon such approval at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the
trust account, including interest earned on the funds held in the trust account and not previously released to us to pay our taxes, divided by the number of then outstanding public shares, subject to the limitations and on the conditions described
herein; and 

  

	•	 	 We will not effectuate our initial business combination with another blank check company or a similar company
with nominal operations. 

 In addition, our amended and restated memorandum and articles of association provide we will not redeem our
public shares in an amount that would cause our net tangible assets to be less than $5,000,001. We may, however, raise funds through the issuance of equity-linked securities or through loans, advances or other indebtedness in connection with our
initial business combination, including pursuant to forward purchase agreements or backstop arrangements we may enter into following consummation of our initial public offering, in order to, among other reasons, satisfy such net tangible assets
requirement. 
 The Companies Act (2021 Revision) of the Cayman Islands, as the same may be amended from time to time (the “Companies Act”),
permits a company incorporated in the Cayman Islands to amend its memorandum and articles of association with the approval of a special resolution. A company’s articles of association may specify that the approval of a higher majority is
required but, provided the approval of the required majority is obtained, any Cayman Islands exempted company may amend its memorandum and articles of association regardless of whether its memorandum and articles of association provide otherwise.
Accordingly, although we could amend any of the provisions relating to our structure and business plan which are contained in our amended and restated memorandum and articles of association, we view all of these provisions as binding obligations to
our shareholders and neither we, nor our officers or directors, will take any action to amend or waive any of these provisions unless we provide dissenting public shareholders with the opportunity to redeem their public shares. 

 Certain Anti-Takeover Provisions of Our Amended and Restated Memorandum and Articles of Association

 Our amended and restated memorandum and articles of association provide that our board of directors shall be classified into three classes of
directors. As a result, in most circumstances, a person can gain control of our board only by successfully engaging in a proxy contest at two or more annual general meetings. 

Our authorized but unissued Class A ordinary shares and preference shares are available for future issuances without shareholder approval and could be
utilized for a variety of corporate purposes, including future offerings to raise additional capital, acquisitions and employee benefit plans. The existence of authorized but unissued and unreserved Class A ordinary shares and preference shares
could render more difficult or discourage an attempt to obtain control of us by means of a proxy contest, tender offer, merger or otherwise.Exhibit 4.3
​
DESCRIPTION OF THE REGISTRANT’S SECURITIES
REGISTERED PURSUANT TO SECTION 12 OF THE
SECURITIES EXCHANGE ACT OF 1934
DESCRIPTION OF CAPITAL STOCK
​
Authorized Capital Stock
​
Our authorized capital stock consists of 50,000,000 shares of common stock, with $0.0001 par value, and 2,000,000 shares of Preferred Stock, with $0.0001 par value, of which 250,000 have been designated as Class A Preferred Stock and the remainder of which are undesignated Preferred Stock.
​
As of March 21, 2022, there were 21,732,284 shares of our common stock outstanding held by 38 record stockholders.
​
Common Stock
​
Holders of our common stock are entitled to one vote for each share held on all matters submitted to a vote of stockholders and do not have cumulative voting rights. An election of directors by our stockholders shall be determined by a plurality of the votes cast by the stockholders entitled to vote on the election. Holders of common stock are entitled to receive proportionately any dividends as may be declared by our Board of Directors, subject to any preferential dividend rights of outstanding preferred stock.
​
In the event of our liquidation or dissolution, the holders of common stock are entitled to receive proportionately all assets available for distribution to stockholders after the payment of all debts and other liabilities and subject to the prior rights of any outstanding preferred stock. Holders of common stock have no preemptive, subscription, redemption or conversion rights. The rights, preferences and privileges of holders of common stock are subject to, and may be adversely affected by, the rights of the holders of shares of any series of preferred stock that we may designate and issue in the future.
​
Our common stock is traded on the Nasdaq Capital Market under the symbol “ATXI.” The transfer agent and registrar for our common stock is VStock Transfer, LLC.
​
DESCRIPTION OF PREFERRED STOCK
​
Class A Preferred Stock
​
Class A Preferred Stock is identical to our common stock other than as to voting rights, the election of directors for a definite period, conversion rights and the PIK Dividend right (as described below). On any matter presented to our stockholders for their action or consideration at any meeting of our stockholders (or by written consent of stockholders in lieu of meeting), each holder of outstanding shares of Class A Preferred Stock will be entitled to cast for each share of Class A Preferred Stock held by such holder as of the record date for determining stockholders entitled to vote on such matter, the number of votes that is equal to one and one-tenth (1.1) times a fraction, the numerator of which is the sum of (A) the shares of outstanding common stock and (B) the whole shares of common stock in to which the shares of outstanding Class A Preferred Stock are convertible and the denominator of which is the number of shares of outstanding Class A Preferred Stock, or the Class A Preferred Stock Ratio. Thus, the Class A Preferred Stock will at all times constitute a voting majority.
​
For a period of ten years from the date of the first issuance of shares of Class A Preferred Stock, or the Class A Director Period, the holders of record of the shares of Class A Preferred Stock (or other capital stock or securities issued upon conversion of or in exchange for the Class A Preferred Stock), exclusively and as a separate class, shall be entitled to appoint or elect the majority of our directors, or the Class A Directors. Thus, the Class A Preferred Stock will be entitled to elect the majority of the Board of Directors during the Class A Director Period.
​

 The holders of the outstanding shares of Class A Preferred Stock shall receive on January 1 of each year, each a PIK Dividend Payment Date, after the original issuance date of the Class A Preferred Stock until the date all outstanding Class A Preferred Stock is converted into common stock or redeemed (and the purchase price is paid in full), pro rata per share dividends paid in additional fully paid and nonassessable shares of common stock, such dividend being herein called PIK Dividends, such that the aggregate number of shares of common stock issued pursuant to such PIK Dividend is equal to 2.5% of our fully-diluted outstanding capitalization on the date that is one business day prior to any PIK Dividend Payment Date, or PIK Record Date. In the event the Class A Preferred Stock converts into common stock, the holders shall receive all PIK Dividends accrued through the date of such conversion.
​
Each share of Class A Preferred Stock is convertible, at the option of the holder, into one fully paid and nonassessable share of common stock, or the Conversion Ratio, subject to certain adjustments.
​
Undesignated Preferred Stock
​
The undesignated Preferred Stock may be issued from time to time in one or more series. Our Board of Directors is authorized to determine or alter the dividend rights, dividend rate, conversion rights, voting rights, rights and terms of redemption (including sinking fund provisions, if any), the redemption price or prices, the liquidation preferences and other designations, powers, preferences and relative, participating, optional or other special rights, if any, and the qualifications, limitations and restrictions granted to or imposed upon any wholly unissued series of Preferred Stock, and to fix the number of shares of any series of Preferred Stock (but not below the number of shares of any such series then outstanding).
​
DESCRIPTION OF WARRANTS
​
We may issue warrants to purchase shares of our common stock and/or preferred stock in one or more series together with other securities or separately. As of March 21, 2022 there were 14,951 shares of common stock that may be issued upon exercise of outstanding warrants.
​
DESCRIPTION OF DEBT SECURITIES
​
We may offer debt securities which may be senior, subordinated or junior subordinated and may be convertible. The terms of the debt securities will include those stated in the indenture and those made part of the indenture by reference to the Trust Indenture Act of 1939, as in effect on the date of the indenture. We have filed a copy of the form of indenture as an exhibit to our Form S-3 Registration Statement on December 7, 2021. The indenture will be subject to and governed by the terms of the Trust Indenture Act of 1939.
​
Debt Securities
​
The aggregate principal amount of debt securities that may be issued under the indenture is unlimited. The debt securities may be issued in one or more series as may be authorized from time to time pursuant to a supplemental indenture entered into between us and the trustee or an order delivered by us to the trustee.
​
General
​
One or more series of debt securities may be sold as “original issue discount” securities. These debt securities would be sold at a substantial discount below their stated principal amount, bearing no interest or interest at a rate which at the time of issuance is below market rates. One or more series of debt securities may be variable rate debt securities that may be exchanged for fixed rate debt securities.
​
Debt securities may be issued where the amount of principal and/or interest payable is determined by reference to one or more currency exchange rates, commodity prices, equity indices or other factors. Holders of such debt securities may receive a principal amount or a payment of interest that is greater than or less than the amount of principal or interest otherwise payable on such dates, depending upon the value of the applicable currencies, commodities, equity indices or other factors.
​
The term “debt securities” includes debt securities denominated in U.S. dollars or, if specified in the applicable prospectus supplement, in any other freely transferable currency or units based on or relating to foreign currencies.
​

Global Securities
​
The debt securities of a series may be issued in whole or in part in the form of one or more global securities that will be deposited with, or on behalf of, a depositary identified in the prospectus supplement. Global securities will be issued in registered form and in either temporary or definitive form. Unless and until it is exchanged in whole or in part for the individual debt securities, a global security may not be transferred except as a whole by the depositary for such global security to a nominee of such depositary or by a nominee of such depositary to such depositary or another nominee of such depositary or by such depositary or any such nominee to a successor of such depositary or a nominee of such successor. The specific terms of the depositary arrangement with respect to any debt securities of a series and the rights of and limitations upon owners of beneficial interests in a global security will be described in the applicable prospectus supplement.
​
Governing Law
​
The indenture and the debt securities shall be construed in accordance with and governed by the laws of the State of New York.
​
DESCRIPTION OF UNITS
​
We may issue, in one more series, units comprised of shares of our common stock and/or preferred stock, warrants to purchase common stock and/or preferred stock, debt securities or any combination of those securities. Each unit will be issued so that the holder of the unit is also the holder of each security included in the unit. Thus, the holder of a unit will have the rights and obligations of a holder of each included security. The unit agreement under which a unit is issued may provide that the securities included in the unit may not be held or transferred separately, at any time or at any time before a specified date.
​
We may evidence units by unit certificates that we issue under a separate agreement. We may issue the units under a unit agreement between us and one or more unit agents. If we elect to enter into a unit agreement with a unit agent, the unit agent will act solely as our agent in connection with the units and will not assume any obligation or relationship of agency or trust for or with any registered holders of units or beneficial owners of units. We will indicate the name and address and other information regarding the unit agent in the applicable prospectus supplement relating to a particular series of units if we elect to use a unit agent.

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