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IMRX · Current Report (Form 8-K) · Filed June 11, 2026

Immuneering Corp — Current Report (Form 8-K)

Form
8-K
Filed
June 11, 2026
Period
Jun 11, 2026
Ticker
IMRX
Accession
0001790340-26-000062
Boardroom Alpha · Filing insights

Two Class II directors elected: Feinberg and Keating; RSM US LLP ratified as the independent auditor.

About Immuneering Corp
Market cap
$337M
1Y TSR
+20.3%
3Y TSR
−20.4%
Board grade
C-
Sector
Healthcare
CEO
Benjamin J Zeskind
Last annual meeting: Jun 11, 2026 · View full Immuneering Corp profile →
imrx-20260611

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
__________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 11, 2026
__________________________________
Immuneering Corporation
(Exact name of Registrant as Specified in Its Charter)
__________________________________
Delaware001-4067526-1976972
(State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)
245 Main St.
Second Floor
Cambridge, MA 02142
(Address of principal executive offices) (Zip Code)
(617) 500-8080
(Registrant’s telephone number, include area code)
N/A
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A common stock, par value $0.001 per shareIMRXThe Nasdaq Global Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 5.07. Submission of Matters to a Vote of Security Holders.
On June 11, 2026, Immuneering Corporation (the “Company”) held its Annual Meeting of Stockholders. A total of 44,495,059 shares of the Company’s Class A common stock were present in person or represented by proxy at the meeting, representing approximately 68.8 percent of the Company’s outstanding Class A common stock as of the April 15, 2026 record date. The following are the voting results for the proposals considered and voted upon at the meeting, all of which were described in the Company’s Definitive Proxy Statement filed with the Securities and Exchange Commission on April 20, 2026.

Item 1 — Election of two Class II directors to serve until the 2029 Annual Meeting of Stockholders, and until their respective successors have been duly elected and qualified.

NOMINEEVotes FORVotes AGAINSTVotes WITHHELDBroker Non-Votes
Peter Feinberg26,420,28702,008,07316,066,699
Laurie B. Keating27,121,50101,306,85916,066,699

Item 2 — Ratification of the appointment of RSM US LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026.

Votes FORVotes AGAINSTVotes ABSTAINEDBroker Non-Votes
42,142,8481,920,218431,9930

Based on the foregoing votes, Peter Feinberg and Laurie B. Keating were elected as Class II directors and Item 2 was approved.



SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
IMMUNEERING CORPORATION
Date: June 11, 2026By: /s/ Michael D. Bookman
Name: Michael D. Bookman
Title: Chief Legal Officer and Secretary

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Reference

Frequently asked questions

When did Immuneering Corp file this 8-K?
Immuneering Corp (IMRX) filed this Current Report (Form 8-K) with the SEC on June 11, 2026. The accession number assigned by EDGAR is 0001790340-26-000062.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Two Class II directors elected: Feinberg and Keating; RSM US LLP ratified as the independent auditor. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Immuneering Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Immuneering Corp has filed under CIK 1790340, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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