Susan ALTSCHULLER - May 20, 2022 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Signature
/s/ Renee Lentini, Attorney-in-Fact
Stock symbol
IMGN
Transactions as of
May 20, 2022
Transactions value $
$0
Form type
4
Date filed
12/27/2022, 04:14 PM
Previous filing
Feb 8, 2022
Next filing
May 19, 2023

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IMGN Stock Option (Right to Buy) Award $0 +41.3K $0.00 41.3K May 20, 2022 Common Stock 41.3K $4.74 Direct F1
transaction IMGN Stock Option (Right to Buy) Award $0 +82.5K +200% $0.00 124K Nov 14, 2022 Common Stock 82.5K $4.74 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On July 20, 2020, the reporting person was granted an option to purchase 165,000 shares of common stock. The option vests in installments upon the satisfaction of certain performance criteria. On May 20, 2022, certain performance criteria were met, resulting in the vesting of 25% of the performance stock option award.
F2 On July 20, 2020, the reporting person was granted an option to purchase 165,000 shares of common stock. The option vests in installments upon the satisfaction of certain performance criteria. On November 14, 2022, certain performance criteria were met, resulting in the vesting of 50% of the performance stock option award.