Historical shareholding details of Allspring Global Investments Holdings, LLC holdings in Immunogen, Inc. (IMGN)

Monthly changes of Allspring Global Investments Holdings, LLC shareholding in Immunogen, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Sep 30, 2023	Allspring Global Investments Holdings, Llc	12,927	0.00%

Jun 30, 2023	Allspring Global Investments Holdings, Llc	7,422	0.00%

Mar 31, 2023	Allspring Global Investments Holdings, Llc	3,034	0.00%