Company: XOMAP
Filing Date: 2025-11-21
Form Type: SC TO-T/A
Source: 0001193125-25-290606
Chunk: 2

Company: XOMA Royalty Corp
Filing Date: 2025-11-21
Form: SC TO-T/A
Chunk 2
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(including a total of 1,079,245 Shares, collectively representing approximately 4.2% of the total outstanding Shares tendered during the Subsequent Offering Period). Purchaser has accepted for payment all Shares validly tendered during the
Subsequent Offering Period.

The Shares ceased to trade on Nasdaq prior to the opening of trading on November 21, 2025, and Nasdaq
has filed or will file a Notification of Removal from Listing and/or Registration under Section 12(b) of the Exchange Act on Form 25 to delist and deregister the Shares. Purchaser and LAVA intend to file a certification and notice of
termination of registration on Form 15 with the SEC requesting the termination of registration of the Shares under Section 12(g) of the Exchange Act and the suspension of reporting obligations under Section 13 and 15(d) of the Exchange Act
with respect to the Shares and take steps to cause the termination of the registration of the Shares under the Exchange Act and suspend all of LAVA’s reporting obligations under the Exchange Act as promptly as practicable.

Purchaser consummated the Post-Offer Reorganization on November 20, 2025, the final date on which Shares tendered during the Subsequent
Offering Period were accepted for payment and paid for.

A press release announcing the expiration of the Subsequent Offering Period was
issued by Purchaser on November 21, 2025.

2

ITEM 12. EXHIBITS.

| Index No.  |     |                                                                                                                                             |
| (a)(1)(A)  |     | Amended and Restated Offer to Purchase, dated October 17, 2025.                                                                             |
| (a)(1)(B)  |     | Form of Letter of Transmittal.                                                                                                              |
| (a)(1)(C)  |     | Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.                                                   |
| (a)(1)(D)  |     | Form of Letter to Clients for Use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.                                |
| (a)(1)(E)  |     | Amended and Restated Schedule A to the Offer to Purchase.                                                                                   |
| (a)(5)(A)  |     | Press Release of LAVA issued on August 4, 2025 (incorporated by reference to Exhibit                                                        
 99.1 to