UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
1. Name and Address of Reporting Person*
2. Date of Event Requiring Statement
3. Issuer Name and Ticker or Trading Symbol
ImmunoGen, Inc. [ IMGN ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
5. If Amendment, Date of Original Filed
6. Individual or Joint/Group Filing (Check Applicable Line)
|Table I - Non-Derivative Securities Beneficially Owned|
|1. Title of Security (Instr. 4)||2. Amount of Securities Beneficially Owned (Instr. 4)||3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)||4. Nature of Indirect Beneficial Ownership (Instr. 5)|
Table II - Derivative Securities Beneficially Owned|
(e.g., puts, calls, warrants, options, convertible securities)
|1. Title of Derivative Security (Instr. 4)||2. Date Exercisable and Expiration Date (Month/Day/Year)||3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)||4. Conversion or Exercise Price of Derivative Security||5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)||6. Nature of Indirect Beneficial Ownership (Instr. 5)|
|Date Exercisable||Expiration Date||Title||Amount or Number of Shares|
|Explanation of Responses:|
|No securities are beneficially owned.|
|/s/ Renee Lentini, Attorney-in-Fact||05/02/2023|
|** Signature of Reporting Person||Date|
|Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.|
|* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).|
|** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).|
|Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.|
|Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.|
POWER OF ATTORNEY
KNOW ALL BY THESE PRESENT, that the undersigned hereby constitutes and appoints each of Daniel S. Char, Renee Lentini, and Joseph J. Kenny of ImmunoGen, Inc. (the Company), acting singly, with full power of substitution, the undersigneds true and lawful attorney-in-fact to:
Execute for and on behalf of the undersigned, in the undersigneds capacity as an officer, director and/or 10% shareholder of the Company, Forms 3, 4 and 5 and amendments thereto, in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;
Do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4 or 5, or amendments thereto, and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and
Take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-facts discretion.
The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-facts substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigneds responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
The undersigned agrees that each such attorney-in-fact shall not be liable for any error of judgment or for any act done or omitted to be done or for any mistake of fact or law except for each such attorney-in-fact's own bad faith, and the undersigned agrees to indemnify and to hold each such attorney-in-fact harmless against any loss, claim, damage, liability or cost incurred on each such attorney-in-fact's part arising out of or in connection with acts undertaken or omitted to be taken as an attorney-in-fact hereunder.
This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigneds holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed this 17th day of April 2023.
/s/ Isabel Kalofonos
Print Name: Isabel Kalofonos