Company: XOMAP
Filing Date: 2025-10-03
Form Type: 424B5
Source: 0001193125-25-230393
Chunk: 83

Company: XOMA Royalty Corp
Filing Date: 2025-10-03
Form: 424B5
Chunk 83
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-lawsProvisions.Our Certificate of Incorporation authorizes our Board to issue up to 1,000,000 shares of Preferred Stock without stockholder approval and to set the rights, preferences and other designations, including voting rights, of those shares as the Board may determine. In addition, our By-lawsrequire certain procedures to be followed and time periods to be met for any stockholder to propose matters to be considered at annual meetings of stockholders, including nominating directors for election at those meetings. Our By-lawsalso provide that our Board is able to elect a director to fill a vacancy created by the expansion of the Board or due to the resignation or departure of an existing board member. Provisions of Delaware law and our Certificate of Incorporation and By-lawscould make the acquisition of our Company through a tender offer, a proxy contest or other means more difficult and could make the removal of incumbent officers and directors more difficult. We expect these provisions to discourage coercive takeover practices and inadequate takeover bids and to encourage persons seeking to acquire control of our Company to first negotiate with our Board. We believe that the benefits provided by our ability to negotiate with the proponent of an unfriendly or unsolicited proposal outweigh the disadvantages of discouraging these proposals. We believe the negotiation of an unfriendly or unsolicited proposal could result in an improvement of its terms. Delaware Law.We are subject to Section 203 of the DGCL, an anti-takeover provision. In general, Section 203 prohibits a publicly held Delaware corporation from engaging in a “business combination” with an “interested stockholder” for a period of three years following the date the person became an interested stockholder, unless:

| • |     | prior to the date of the transaction, the board of directors of the corporation approved either the business 
 combination or the transaction which resulted in the stockholder becoming an interested stockholder;         |

| • |     | upon completion of the transaction that resulted in the stockholder becoming an interested stockholder, the                                                                                                                                    
 interested stockholder owned at least 85% of the voting stock of the corporation outstanding at the time the transaction commenced, excluding for purposes of determining the number of shares outstanding (a) shares owned by persons who are 
 directors and also officers, and (b) shares owned by                                                                                                                                                                                           |

18

| employee stock plans in which employee participants do not have the right to determine confidentially whether shares held subject to the plan will be tendered in a tender or exchange offer; or |

| • |     |