Renee Lentini - Sep 12, 2023 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Role
PRIN. FIN & ACCTG. OFF.
Signature
/s/ Renee Lentini
Stock symbol
IMGN
Transactions as of
Sep 12, 2023
Transactions value $
$99,808
Form type
4
Date filed
9/14/2023, 05:29 PM
Previous filing
Aug 4, 2023
Next filing
Nov 8, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IMGN Common Stock Options Exercise $35.1K +11.5K +15.57% $3.05* 85.4K Sep 12, 2023 Direct
transaction IMGN Common Stock Options Exercise $44.7K +9.83K +11.52% $4.55 95.2K Sep 12, 2023 Direct
transaction IMGN Common Stock Options Exercise $20K +3.81K +4% $5.25 99K Sep 12, 2023 Direct

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) Options Exercise $0 -11.5K -100% $0.00* 0 Sep 12, 2023 Common Stock 11.5K $3.05 Direct F1
transaction IMGN Stock Option (right to buy) Options Exercise $0 -9.83K -60% $0.00 6.56K Sep 12, 2023 Common Stock 9.83K $4.55 Direct F2
transaction IMGN Stock Option (right to buy) Options Exercise $0 -3.81K -20.95% $0.00 14.4K Sep 12, 2023 Common Stock 3.81K $5.25 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option was granted on 7/18/2016 and is fully vested as of the transaction date.
F2 This option was granted on 2/7/2020 and is exercisable as to 25% on the first year anniversary of the grant and 6.25% quarterly for the subsequent three years.
F3 This option was granted on 1/31/2019 and is fully vested as of the transaction date.