Brett Matthew Hall - 15 Jan 2026 Form 4 Insider Report for Immuneering Corp (IMRX)

Role: CHIEF SCIENTIFIC OFFICER
Signature: /s/ Michael D. Bookman, Attorney-in-Fact for Brett Matthew Hall
Issuer symbol: IMRX
Transactions as of: 15 Jan 2026
Net transactions value: +$10,502
Form type: 4
Filing time: 16 Jan 2026, 16:07:43 UTC
Previous filing: 17 Sep 2025
Next filing: 05 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hall Brett Matthew	CHIEF SCIENTIFIC OFFICER	245 MAIN STREET, SECOND FLOOR, CAMBRIDGE	/s/ Michael D. Bookman, Attorney-in-Fact for Brett Matthew Hall	16 Jan 2026	0001870437

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IMRX	Class A Common Stock	Purchase	$10,502	+2,298	+0.61%	$4.57	376,496	15 Jan 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades through a broker-dealer at prices ranging from $4.57 to $4.571. The price reported in this column reflects the weighted average purchase price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of shares acquired at each price.