Lauren White - Sep 18, 2023 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Role
SVP, CFO AND PFO
Signature
/s/ Renee Lentini, Attorney-in-Fact
Stock symbol
IMGN
Transactions as of
Sep 18, 2023
Transactions value $
$0
Form type
4
Date filed
9/19/2023, 05:39 PM
Previous filing
Aug 31, 2023
Next filing
Feb 5, 2024

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) Award $0 +296K $0.00 296K Sep 18, 2023 Common Stock 296K $15.71 Direct F1
transaction IMGN Restricted Stock Unit Award $0 +51.6K $0.00 51.6K Sep 18, 2023 Common Stock 51.6K $0.00 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock.
F3 The RSUs vest over a four-year period, with 25% of the RSUs vesting on each of the first four anniversaries of the date of grant, subject to continued service through each vesting date.