Company: IMRX
Filing Date: 2025-08-13
Form Type: S-3
Source: 0001104659-25-077655
Chunk: 42

Company: Immuneering Corp
Filing Date: 2025-08-13
Form: S-3
Chunk 42
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us supplement, we mean Immuneering Corporation and its consolidated subsidiaries, unless otherwise specified. When we refer to “you,” we mean the potential holders of our Class A common stock.

We use our trademarks and our logo in this prospectus supplement and the documents incorporated by reference. Solely for the convenience, trademarks and tradenames referred to in this prospectus supplement appear without the “ ® ” and “™” symbols, but those references are not intended to indicate, in any way, that we will not assert, to the fullest extent under applicable law, our rights to these trademarks and tradenames.

<div align='center'>S-1</div>

TABLE OF CONTENTS

<div align='center'>**WHERE YOU CAN FIND MORE INFORMATION; INCORPORATION BY REFERENCE**</div>

#### Available Information
We file reports, proxy statements and other information with the SEC. The SEC maintains a website that contains reports, proxy and information statements and other information about issuers, such as us, who file electronically with the SEC. The address of that website is www.sec.gov .

Our website address is www.immuneering.com . The information on our website, however, is not, and should not be deemed to be, a part of this prospectus supplement.

This prospectus supplement is part of a registration statement that we filed with the SEC and does not contain all of the information in the registration statement. The full registration statement may be obtained from the SEC or us, as provided below. Forms of the indenture and other documents establishing the terms of the offered securities are or may be filed as exhibits to the registration statement or documents incorporated by reference in the registration statement. Statements in this prospectus supplement about these documents are summaries and each statement is qualified in all respects by reference to the document to which it refers. You should refer to the actual documents for a more complete description of the relevant matters. You may inspect a copy of the registration statement through the SEC’s website, as provided above.

#### Incorporation by Reference
The SEC’s rules allow us to “incorporate by reference” information into this prospectus supplement, which means that we can disclose important information to you by referring you to another document filed separately with the SEC. The information incorporated by reference is deemed to be part of this prospectus supplement, and subsequent information that we file with the SEC will automatically update and supersede that information. Any statement contained in this prospectus supplement or a previously filed document incorporated by reference will be deemed to be modified or superseded