February 2, 2024 · Form 4 insider transaction
Wingrove Theresa sold 21,840 shares of ImmunoGen, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock.; The RSUs were awarded on 2/3/2023 and vest with respect to 40% of such RSUs on the one-year anniversary of the date of grant and with respect to the remaining 60% of such RSUs on the eighteen-month anniversary of the date of grant, subject to continued service through each vesting date.