X0508 4 2024-03-14 0001790340 Immuneering Corp IMRX 0001583977 Cormorant Asset Management, LP 200 CLARENDON STREET 52ND FLOOR BOSTON MA 02116 true 0001599214 Chen Bihua C/O CORMORANT ASSET MANAGEMENT, LP 200 CLARENDON STREET, 52ND FLOOR BOSTON MA 02116 true 0001618442 Cormorant Global Healthcare Master Fund, LP 200 CLARENDON STREET 52ND FLOOR BOSTON MA 02116 true 0001817320 Cormorant Private Healthcare Fund III LP 200 CLARENDON STREET 52ND FLOOR BOSTON MA 02116 true false Class A Common Stock 2024-03-14 4 S 0 345266 3.235 D 3859098 I See Footnote Class A Common Stock 2024-03-14 4 S 0 98570 4.245 D 3760528 I See Footnote Class A Common Stock 2024-03-14 4 S 0 54215 5.374 D 3706313 I See Footnote Class A Common Stock 2024-03-14 4 S 0 11040 5.968 D 3695273 I See Footnote Class A Common Stock 2024-03-15 4 S 0 400000 2.141 D 3295273 I See Footnote Represents the weighted average sale price of shares of Class A Common Stock sold in a series of open market transactions on the transaction date at prices ranging from $2.90 to $3.895 per share. The Reporting Persons undertake to provide, upon request by the staff of the Securities and Exchange Commission (the "SEC"), the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. All of these shares were sold by the Master Fund (as defined below). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of Cormorant Global Healthcare Master Fund, LP (the "Master Fund") and Cormorant Private Healthcare Fund III, LP ("Fund III"). Cormorant Global Healthcare GP, LLC ("GP LLC") and Cormorant Private Healthcare GP III, LLC ("GP III") serve as General Partner of the Master Fund and Fund III, respectively. Bihua Chen serves as manager of Cormorant, GP LLC and GP III. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose. Represents (i) 1,651,513 shares of Class A Common Stock beneficially owned by the Master Fund and (ii) 2,207,585 shares of Class A Common Stock beneficially owned by Fund III. Represents the weighted average sale price of shares of Class A Common Stock sold in a series of open market transactions on the transaction date at prices ranging from $3.90 to $4.895 per share. The Reporting Persons undertake to provide, upon request by the staff of the SEC issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. All of these shares were sold by the Master Fund. Represents (i) 1,552,943 shares of Class A Common Stock beneficially owned by the Master Fund and (ii) 2,207,585 shares of Class A Common Stock beneficially owned by Fund III. Represents the weighted average sale price of shares of Class A Common Stock sold in a series of open market transactions on the transaction date at prices ranging from $4.90 to $5.89 per share. The Reporting Persons undertake to provide, upon request by the staff of the SEC issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. All of these shares were sold by the Master Fund. Represents (i) 1,498,728 shares of Class A Common Stock beneficially owned by the Master Fund and (ii) 2,207,585 shares of Class A Common Stock beneficially owned by Fund III. Represents the weighted average sale price of shares of Class A Common Stock sold in a series of open market transactions on the transaction date at prices ranging from $5.90 to $6.18 per share. The Reporting Persons undertake to provide, upon request by the staff of the SEC issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. All of these shares were sold by the Master Fund. Represents (i) 1,487,688 shares of Class A Common Stock beneficially owned by the Master Fund and (ii) 2,207,585 shares of Class A Common Stock beneficially owned by Fund III. Represents the weighted average sale price of shares of Class A Common Stock sold in a series of open market transactions on the transaction date at prices ranging from $1.90 to $2.82 per share. The Reporting Persons undertake to provide, upon request by the staff of the SEC issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. All of these shares were sold by the Master Fund. Represents (i) 1,087,688 shares of Class A Common Stock beneficially owned by the Master Fund and (ii) 2,207,585 shares of Class A Common Stock beneficially owned by Fund III. /s/ CORMORANT ASSET MANAGEMENT, LP By: Cormorant Asset Management GP, LLC, its General Partner 2024-03-18 /s/ Bihua Chen 2024-03-18 /s/ CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP By: Cormorant Global Healthcare GP, LLC, its General Partner 2024-03-18 /s/ CORMORANT PRIVATE HEALTHCARE FUND III, LP By: Cormorant Global Healthcare GP III, LLC, LLC, its General Partner 2024-03-18