Filing Details

The principal business address for each of the Reportings Persons is c/o Access Industries, Inc., 40 West 57th Street, 28th Floor, New York, NY 10019.

The principal business of each of AIB and AIH is holding strategic investments in a variety of industries worldwide. AIM is the manager of holdings of strategic investments in a variety of industries worldwide. Mr. Blavatnik is the founder of Access Industries, Inc., the principal business of which is holding strategic investments in a variety of industries worldwide.

None of the Reporting Persons has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

None of the Reporting Persons has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

The jurisdiction of organization for each of AIB, AIH and AIM is the State of Delaware. Mr. Blavatnik is a citizen of the United States of America.

Pursuant to a subscription agreement between the Issuer and AIB dated as of April 26, 2023 (the "2023 Subscription Agreement"), AIB purchased (i) on May 1, 2023, 870,732 Class A Ordinary Shares and (ii) on June 5, 2023, (x) 1,229,268 Class A Ordinary Shares and (y) 2,100,000 private placement pre-funded warrants, each whole pre-funded warrant entitling AIB to purchase one Class A Ordinary Share at an exercise price equal to $0.001 per share (the "2023 Warrants"), at a purchase price of $4.25 per share. AIB funded these purchases using capital contributed from affiliated entities, which funded that capital using cash on hand. Under the terms of the 2023 Subscription Agreement, the Issuer agreed to prepare and file with the SEC, within 45 days after the closing, a registration statement to register for resale the Class A Ordinary Shares issued under the 2023 Subscription Agreement (the "2023 Class A Ordinary Shares") and the Class A Ordinary Shares issuable upon exercise of the 2023 Warrants (the "2023 Warrant Shares"), and to cause the registration statement to become effective within a specified period after the closing. The Issuer also agreed to use its best efforts to keep such registration statement effective until the earlier of (i) the date on which all of the 2023 Class A Ordinary Shares and 2023 Warrant Shares held by or issuable to AIB may be sold under Rule 144 ("Rule 144") promulgated under the Securities Act of 1933, as amended, without being subject to any volume or manner of sale requirements, (ii) the date on which all of the 2023 Class A Ordinary Shares and 2023 Warrant Shares have actually been sold pursuant to Rule 144 or pursuant to the registration statement and (iii) the date which is two years from the date that the initial registration statement is declared effective (or any Additional Effectiveness Date (as defined in the 2023 Subscription Agreement), if applicable). Between July 18, 2023 and February 9, 2024, AIB purchased 1,952,725 Class A Ordinary Shares in open market transactions for an aggregate purchase price of $9,782,379.15, at prices and on the dates set forth in Schedule A, filed as Exhibit 99.1 hereto. AIB funded these purchases using capital contributed from affiliated entities, which funded that capital using cash on hand. On April 18, 2024, AIB purchased from the Issuer 8,046,346 private placement pre-funded warrants, each whole pre-funded warrant entitling AIB to purchase one Class A Ordinary Share for an exercise price equal to $0.001 per share (the "2024 Warrants"), for a purchase price of $3.108 per share, pursuant to a subscription agreement between the Issuer and AIB dated as of April 18, 2024 (the "2024 Subscription Agreement"). AIB funded this purchase using capital contributed from affiliated entities, which funded that capital using cash on hand. Under the terms of the 2024 Subscription Agreement, the Issuer agreed to prepare and file with the SEC, within 35 days after the closing, a registration statement to register for resale the Class A Ordinary Shares issuable upon exercise of the 2024 Warrants (the "2024 Warrant Shares"), and to cause the registration statement to become effective within a specified period after the closing. The Issuer also agreed to use its best efforts to keep such registration statement effective until the earlier of (i) the date on which all of the 2024 Warrant Shares held by or issuable to AIB may be sold under Rule 144 without being subject to any volume or manner of sale requirements, (ii) the date on which all of the 2024 Warrant Shares have actually been sold pursuant to Rule 144 or pursuant to the registration statement and (iii) the date which is two years from the date that the initial registration statement is declared effective (or any Additional Effectiveness Date (as defined in the 2024 Subscription Agreement), if applicable). On November 24, 2024, AIB purchased from Athanor Master Fund, LP ("AMF") and Athanor International Master Fund, LP ("AIMF") 500,000 Class A Ordinary Shares at a price of $2.73 per share, pursuant to a purchase and sale agreement between AMF, AIMF and AIB dated as of November 24, 2024 (the "2024 Purchase Agreement"). AIB funded this purchase using capital contributed from affiliated entities, which funded that capital using cash on hand. On April 17, 2025, AIB (i) surrendered 3,000,000 Class A Ordinary Shares, for no consideration and (ii) the Issuer issued to AIB 3,000,000 private placement pre-funded warrants, each whole pre-funded warrant entitling AIB to purchase one Class A Ordinary Share at an exercise price of equal to $0.001 per share (the "2025 Warrants" and together with the 2023 Warrants and the 2024 Warrants, the "Private Placement Warrants"), pursuant to a share surrender and warrant agreement between the Issuer and AIB dated as of April 17, 2025 (the "2025 Surrender and Warrant Agreement"). On April 24, 2025, AIB purchased from Liminatus Pharma LLC 3,000,000 Class A Ordinary Shares at a price of $1.20 per share, pursuant to a purchase and sale agreement between Liminatus Pharma LLC and AIB dated as of April 24, 2025 (the "2025 Purchase Agreement"). AIB funded this purchase using capital contributed from affiliated entities, which funded that capital using cash on hand. The foregoing descriptions of the 2023 Subscription Agreement, the 2024 Subscription Agreement, the 2024 Purchase Agreement, the 2025 Surrender and Warrant Agreement and the 2025 Purchase Agreement do not purport to be complete and are qualified in their entirety by reference to the 2023 Subscription Agreement, the 2024 Subscription Agreement, the 2024 Purchase Agreement, the 2025 Surrender and Warrant Agreement and the 2025 Purchase Agreement, the forms of which are filed as Exhibits 99.2, 99.3, 99.4, 99.5 and 99.6, respectively, and incorporated herein by reference.

The information set forth in Item 6 hereof is hereby incorporated herein by reference. The Reporting Persons who hold securities of the Issuer directly acquired those securities as an investment in the regular course of their businesses. The Reporting Persons may engage in discussions with management, the Issuer's board of directors, other stockholders of the Issuer and other relevant parties concerning the business, operations, board composition, management, strategy and future plans of the Issuer. Dan Becker, Managing Director at Access Biotechnology, the biopharmaceutical investing arm of Access Industries, currently serves on the board of directors of the Issuer. The Reporting Persons intend to re-examine their investment from time to time and, depending on prevailing market conditions, other investment opportunities, liquidity requirements or other investment considerations the Reporting Persons deem material, the Reporting Persons may from time to time acquire additional securities of the Issuer in the open market, block trades, negotiated transactions, or otherwise and may also dispose of all or a portion of the Issuer's securities, in open market or privately negotiated transactions, and/or enter into derivative transactions with institutional counterparties with respect to the Issuer's securities, in each case, subject to limitations under applicable law. The Reporting Persons have not yet determined which, if any, of the above courses of action they may ultimately take. The Reporting Persons' future actions with regard to the Issuer are dependent on their evaluation of the factors listed above, circumstances affecting the Issuer in the future, including prospects of the Issuer, general market and economic conditions and other factors deemed relevant. The Reporting Persons reserve the right to determine in the future whether to change the purpose or purposes described above or whether to adopt plans or proposals of the type specified above or otherwise.

The responses of each of the Reporting Persons with respect to Rows 11, 12, and 13 of the cover pages of this Schedule 13D that relate to the aggregate number and percentage of Class A Ordinary Shares (including but not limited to footnotes to such information) are incorporated herein by reference. The Private Placement Warrants may not be exercised if the aggregate number of Class A Ordinary Shares beneficially owned by the holder thereof immediately following such exercise would exceed 9.99% of the Class A Ordinary Shares outstanding, as calculated under Rule 13d-3 of the Securities Exchange Act of 1934, as amended; provided, however, that AIB may increase or decrease the foregoing beneficial ownership limitation by giving notice to the Issuer (such notice not to be effective until the sixty-first day after the notice is delivered to the Issuer), but not to exceed any percentage in excess of 19.99% (such limitations, the "Beneficial Ownership Blocker"). As of the date of this filing, and pursuant to the Beneficial Ownership Blocker, 1,812,878 Class A Ordinary Shares are issuable at any time or times upon the partial conversion of Private Placement Warrants and 7,960,487 Class A Ordinary Shares are issuable upon the partial conversion of Private Placement Warrants, if AIB delivered notice to the Issuer to increase the beneficial ownership limitation to 19.99% (such notice not to be effective until the sixty-first day after the date such notice is delivered to the Issuer).

The responses of each of the Reporting Persons with respect to Rows 7, 8, 9, and 10 of the cover pages of this Schedule 13D that relate to the number of Class A Ordinary Shares as to which each of the Reporting Persons has sole or shared power to vote or to direct the vote of and sole or shared power to dispose of or to direct the disposition of (including but not limited to footnotes to such information) are incorporated herein by reference. 4,552,725 Class A Ordinary Shares and Private Placement Warrants exercisable into 13,146,346 Class A Ordinary Shares, of which 9,773,365 may be deemed to be beneficially owned as of the date of this filing pursuant to the Beneficial Ownership Blocker, are held directly by AIB and may be deemed to be beneficially owned by AIM, AIH and Mr. Blavatnik because (i) Mr. Blavatnik controls AIM and AIH, (ii) AIM controls AIH, and (iii) AIH owns all of the voting units of AIB. Each of AIH, AIM and Mr. Blavatnik, and each of their affiliated entities and the officers, partners, members and managers thereof, disclaims beneficial ownership of these securities.

The information set forth in Item 3 hereof is incorporated herein by reference.

Not applicable.

Not applicable.

The information set form in Item 3 hereof is incorporated herein by reference. A Joint Filing Agreement, dated as of May 28, 2025, by and among the Reporting Persons has been executed by the Reporting Persons, a copy of which is attached hereto as Exhibit 99.7 and is incorporated herein by reference.

99.1 Schedule A - Transactions in Class A Ordinary Shares. 99.2 Form of Subscription Agreement by and among Zura Bio Limited and the other parties signatories thereto (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the Issuer with the SEC on May 3, 2023). 99.3 Form of Subscription Agreement by and among Zura Bio Limited and other parties signatories thereto (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the Issuer with the SEC on April 23, 2024). 99.4 Purchase and Sale Agreement, dated as of November 24, 2024, by and among Athanor Master Fund, LP, Athanor International Master Fund, LP. and AI Biotechnology, LLC. 99.5 Share Surrender and Warrant Agreement, dated as of April 17, 2025, between Zura Bio Limited and AI Biotechnology, LLC (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by the Issuer with the SEC on April 17, 2025). 99.6 Purchase and Sale Agreement, dated as of April 24, 2025, by and between Zura Bio Limited and Liminatus Pharma LLC. 99.7 Joint Filing Agreement, dated as of May 28, 2025. 99.8 Limted Power of Attorney, dated as of June 15, 2023 (incorporated by reference to Exhibit 99.2 to the Schedule 13G filed by the Reporting Persons with the SEC on June 15, 2023).