Historical shareholding details of GSA Capital Partners LLP holdings in Immunogen, Inc. (IMGN)

Monthly changes of GSA Capital Partners LLP 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	Gsa Capital Partners Llp	114,155	0.04%

Jun 30, 2023	Gsa Capital Partners Llp	35,364	0.01%

Mar 31, 2023	Gsa Capital Partners Llp	29,800	0.01%