Kristen Harrington-Smith - Nov 15, 2021 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Role
SVP & Chief Commercial Officer
Signature
/s/ Renee Lentini, attorney in fact
Stock symbol
IMGN
Transactions as of
Nov 15, 2021
Transactions value $
$2,556,000
Form type
4
Date filed
11/17/2021, 03:14 PM
Next filing
Feb 17, 2022

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 +75K $0.00 75K Nov 15, 2021 Common Stock 75K $0.00 Direct F1, F2
transaction IMGN Common Stock (right to buy) Award $2.56M +450K $5.68 450K Nov 15, 2021 Common Stock 450K $5.68 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 one-third 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, subject to continued service through each vesting date.