0001558370-20-009337 Sample Contracts

CHANGE IN CONTROL SEVERANCE AGREEMENT

Change in Control Severance Agreement • August 5th, 2020 • ImmunoGen, Inc. • Pharmaceutical preparations • Massachusetts

• Contract Type
  Change in Control Severance Agreement
• Filed
  August 5th, 2020
• Company
  ImmunoGen, Inc.
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Massachusetts

This Agreement is entered into as of the 20th day of July, 2020 (the “Effective Date”) by and between ImmunoGen, Inc., a Massachusetts corporation (the “Company”), and Susan Altschuller (the “Executive”).

IMMUNOGEN, INC. PERFORMANCE-BASED NON-QUALIFIED STOCK OPTION TERMS AND CONDITIONS

Non-Qualified Stock Option Terms And • August 5th, 2020 • ImmunoGen, Inc. • Pharmaceutical preparations • Massachusetts

• Contract Type
  Non-Qualified Stock Option Terms And
• Filed
  August 5th, 2020
• Company
  ImmunoGen, Inc.
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Massachusetts

This Option Agreement is entered into and made effective as of the grant date referenced in the Grant Detail (the “Date of Grant”) and is between ImmunoGen, Inc., a Massachusetts corporation (the “Company”), and the employee or consultant of the Company (the