Wingrove Theresa

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value
12 Feb 24	IMGN Immunogen	Common Stock	Sale back to company	Dispose D	No	No	0	21,039	0.00
12 Feb 24	IMGN Immunogen	RSU Common Stock	Sale back to company	Dispose D	No	No	0	21,364	0.00
12 Feb 24	IMGN Immunogen	RSU Common Stock	Sale back to company	Dispose D	No	No	0	48,360	0.00
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	10.79	9,267	99.99 k
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	16.72	48,000	802.56 k
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	5.75	1,333	7.66 k
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	3.05	16,666	50.83 k
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	2.68	12,666	33.94 k
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	9.01	87,500	788.38 k
12 Feb 24	IMGN Immunogen	Stock Option Common Stock	Sale back to company	Dispose D	No	No	4.66	140,400	654.26 k

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.