Historical shareholding details of Dr. Helen M. Thackray, M.D. holdings in Immunogen, Inc. (IMGN)

Monthly changes of Dr. Helen M. Thackray, M.D. shareholding in Immunogen, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 29, 2023	Dr. Helen M. Thackray, M.D.	3,074	0.00%

Sep 29, 2023	Dr. Helen M. Thackray, M.D.	2,822	0.00%

Jun 30, 2023	Dr. Helen M. Thackray, M.D.	2,350	0.00%

Mar 31, 2023	Dr. Helen M. Thackray, M.D.	1,953	0.00%