DEAN J. MITCHELL - 22 Sep 2023 Form 4 Insider Report for ImmunoGen, Inc.

Role
Director
Signature
/s/ Renee Lentini, Attorney-in-Fact
Issuer symbol
N/A
Transactions as of
22 Sep 2023
Net transactions value
+$147,000
Form type
4
Filing time
26 Sep 2023, 16:08:39 UTC
Previous filing
16 Jun 2023
Next filing
12 Feb 2024
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IMGN Common Stock Options Exercise $147,000 +10,000 +7% $14.70 152,667 22 Sep 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 -10,000 -100% $0.000000* 0 22 Sep 2023 Common Stock 10,000 $14.70 Direct F1
* 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 11/12/2013 and was exercisable as to 2,500 shares commencing on February 1, 2014, 2,500 shares commencing on May 1, 2014, 2,500 shares commencing on August 1, 2014, and 2,500 shares commencing on November 1, 2014.