Company: IMRX
Filing Date: 2025-04-21
Form Type: DEF 14A
Source: 0001790340-25-000053
Chunk: 3

Company: Immuneering Corp
Filing Date: 2025-04-21
Form: DEF 14A
Chunk 3
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 vote at the Annual Meeting.

The Annual Meeting will be a completely virtual meeting and will be held via live webcast in order to facilitate stockholder attendance and participation by enabling stockholders to participate and vote electronically from any location. Details regarding how to attend the meeting online are more fully described below.

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE STOCKHOLDER MEETING TO BE HELD ON FRIDAY, JUNE 13, 2025. A Notice Regarding the Internet Availability of Proxy Materials (the “Notice”) will be mailed to certain of our stockholders. The proxy materials can be accessed at our Investor Relations website at https://ir.immuneering.com or by following the instructions in the Notice.

<div align='center'>General information about the Annual Meeting and Voting</div>

#### How do I attend the Annual Meeting?
The Annual Meeting will be held on Friday, June 13, 2025 at 10:00 a.m. Eastern Time via a live webcast. You may attend and participate in the Annual Meeting by visiting the following website: www.virtualshareholdermeeting.com/IMRX2025. The meeting webcast will begin promptly at 10:00 a.m. Eastern Time. We encourage you to access the meeting prior to the start time. Online check-in will begin at 9:45 a.m. Eastern Time, and you should allow ample time for the check-in procedures.

To attend and participate in the Annual Meeting, you will need the 16-digit control number included on your Notice, on your proxy card or on the instructions that accompanied your proxy materials. If your bank or broker holds your shares in street name (as described below), you should contact your bank or broker to obtain your 16-digit control number or otherwise vote through the bank or broker. If you lose your 16-digit control number, you may join the Annual Meeting as a “Guest” but you will not be able to vote, ask questions or access the list of stockholders as of the Record Date (as defined below). We will have technicians ready to assist you with any technical difficulties you may have accessing the virtual meeting website. If you encounter any difficulties accessing the virtual meeting website during the check-in or meeting time, please call the technical support number that will be posted on the Annual Meeting login page. For any questions on how to attend the Annual Meeting, please contact Michael Bookman at (617) 500-8080 or mbookman@immuneering.com.

#### What is the