Stacy Ann Coen - Dec 29, 2023 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Role
SVP & CHIEF BUSINESS OFFICER
Signature
/s/ Renee Lentini, Attorney-in-Fact
Stock symbol
IMGN
Transactions as of
Dec 29, 2023
Transactions value $
$165,476
Form type
4
Date filed
1/3/2024, 05:51 PM
Previous filing
Dec 5, 2023
Next filing
Feb 13, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IMGN Common Stock Options Exercise $160K +30K +90.53% $5.32 63.1K Dec 29, 2023 Direct
transaction IMGN Common Stock Award $5.88K +367 +0.58% $16.01 63.5K Dec 29, 2023 Direct F1, F2

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 -30K -9% $0.00 303K Dec 29, 2023 Common Stock 30K $5.32 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were purchased due to participation by the reporting individual in the ImmunoGen Employee Stock Purchase Plan (the ESPP). It pertains to the ESPP purchase period from July 1, 2023 through December 31, 2023.
F2 In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock on July 3, 2023
F3 This option was granted on February 4, 2022 and is exercisable as to 25% on the first year anniversary of the grant and 6.25% quarterly for the subsequent three years.