Company: LIMN
Filing Date: 2025-02-07
Form Type: 424B3
Source: 0001104659-25-010605
Chunk: 10

Company: Liminatus Pharma, Inc.
Filing Date: 2025-02-07
Form: 424B3
Chunk 10
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 (net of all applicable taxes payable from the Trust Account) of Iris Class A Common Stock. Public stockholders may elect to redeem their shares even if they vote “FOR” the Business Combination Proposal.

We are providing this proxy statement/prospectus and proxy card to our stockholders in connection with the solicitation of proxies to be voted at the Special Meeting and at any adjournments or postponements of the Special Meeting. The Special Meeting of our stockholders will be held virtually at 10:00 a.m., Eastern Time, on March 4, 2025. Whether or not you plan to attend the Special Meeting, we urge you to read this proxy statement/prospectus (including the annexes) carefully, including the section entitled**

#### “

#### Risk Factors
#### ”

#### beginning on page 26.
Your vote is very important, regardless of the number of shares of our common stock you own. To ensure your representation at the Special Meeting, please take time to vote by following the instructions contained in

TABLE OF CONTENTS

this proxy statement/prospectus and on your proxy card. Please vote promptly whether or not you expect to attend the Special Meeting. Submitting a proxy now will not prevent you from being able to vote online at the Special Meeting.

If you sign, date and return your proxy card without indicating how you wish to vote, your proxy will be voted “

#### FOR
” each of the proposals presented at the Special Meeting. If you fail to return your proxy card and do not attend the Special Meeting, if you abstain from voting, or if you hold your shares in “street name” through a broker or other nominee and fail to give such nominee voting instructions (a “broker non-vote”), it will have the same effect as a vote “

### AGAINST
” the Business Combination Proposal but will have no effect on the Nasdaq Proposal, Incentive Plan Proposal, ParentCo Charter Proposal, the Advisory Charter Proposals, Election of Directors Proposal or the Adjournment Proposal. If your shares are held in an account at a brokerage firm or bank, you must instruct your broker or bank on how to vote your shares or, if you wish to attend the Special Meeting and vote online, obtain a legal proxy from your broker or bank.

Per the Business Combination Agreement, it is a condition to closing of the Transaction that the Business Combination Proposal, the Nasdaq Proposal, the Incentive Plan Proposal and the Election of Directors Proposal be approved by Iris stockholders. As a result