Renee Lentini - Feb 3, 2023 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Role
V.P.-FIN., PRIN. ACCTG. OFF.
Signature
/s/ Renee Lentini
Stock symbol
IMGN
Transactions as of
Feb 3, 2023
Transactions value $
$0
Form type
4
Date filed
2/7/2023, 04:19 PM
Previous filing
Jan 3, 2023
Next filing
Jul 5, 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 Restricted Stock Unit Award $0 +25.3K $0.00 25.3K Feb 3, 2023 Common Stock 25.3K $0.00 Direct F1, F2
transaction IMGN Stock Option (right to buy) Award $0 +50.6K $0.00 50.6K Feb 3, 2023 Common Stock 50.6K $4.66 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock.
F2 The RSUs vest over a three-year period, with 33 1/3% of the RSUs vesting on each of the first three anniversaries of the date of grant, subject to continued service through each vesting date.
F3 These options vest over a four-year period, with 25% of the shares vesting on the one-year anniversary of the date of grant, and thereafter an additional 6.25% of the shares vesting on each succeeding quarterly anniversary of the date of grant.