Berkenblit Anna

Related Filers (2)

Ownership (27)

4
Wednesday, 7/5/2023
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/22/2023
Surrozen, Inc./DE: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/7/2023
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/3/2023
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/27/2022
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/5/2022
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/9/2022
Surrozen, Inc./DE: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/8/2022
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/4/2022
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
3
Monday, 8/16/2021
Surrozen, Inc./DE: Initial statement of beneficial ownership of securities
4
Friday, 7/2/2021
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/9/2021
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/5/2021
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/2/2020
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/25/2020
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/11/2020
ImmunoGen, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/2/2019
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/25/2019
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/4/2019
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/4/2019
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/17/2018
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/11/2018
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/23/2018
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/20/2018
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Monday, 9/18/2017
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/23/2017
IMMUNOGEN INC: Statement of changes in beneficial ownership of securities
3
Friday, 12/16/2016
IMMUNOGEN INC: Initial statement of beneficial ownership of securities
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