Company: IMRX
Filing Date: 2025-09-25
Form Type: 424B5
Source: 0001104659-25-093438
Chunk: 19

Company: Immuneering Corp
Filing Date: 2025-09-25
Form: 424B5
Chunk 19
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 or winding-up of the affairs of us, or the consummation of any Change of Control or any other deemed liquidation event of us and (d) such time as all development activities with respect to atebimetinib have been terminated.

In addition, pursuant to the Purchase Agreement, the Investor agreed (i) until the date that is six months after the closing date of the Private Placement, to be subject to customary lock-up restrictions with respect to sales of shares of our common stock (or similar transactions with the same economic effect), subject to certain customary exceptions, (ii) until the first anniversary of the closing date of the Private Placement, to be subject to stand-still restrictions with respect to acquisitions of shares of our common stock and similar activities, subject to certain customary exceptions and fall-away provisions, and (iii) until the first anniversary of the closing date of the Private Placement or such earlier time as the stand-still restrictions shall have fallen away, vote with respect to all voting securities of us as to which it is entitled to vote in accordance with the recommendation of a majority of our board of directors.

Under the terms of the Purchase Agreement, notwithstanding anything set forth in our certificate of incorporation, the Investor will not be entitled to exercise any conversion of Class B Shares into shares of Class A common stock if, upon giving effect to such conversion, the aggregate number of shares of Class A

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common stock beneficially owned by the Investor (together with its affiliates, any other persons acting as a group together with the Investor or any other attribution party with respect the Investor) would exceed 4.99% of the number of shares of Class A common stock outstanding immediately after giving effect to such conversion, as such percentage ownership is determined in accordance with the terms of the Purchase Agreement, which percentage may be increased at the Investor’s election upon 61 days’ notice to us, provided that such percentage may in no event exceed 9.9% (the “Beneficial Ownership Limitation”).

Leerink Partners LLC and Oppenheimer & Co. Inc. are acting as placement agents in connection with the concurrent private placement and will receive a 6.0% of the aggregate gross proceeds from the sale of the securities in the concurrent private placement.

The Private Placement is exempt from registration pursuant to Section 4(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”), and corresponding provisions of state securities or