February 12, 2024 · Form 4 insider transaction
MITCHELL DEAN J sold 142,667 shares of ImmunoGen, Inc., a transaction worth N/A. The trade was recorded as disposition to the issuer and disclosed on an SEC Form 4, filed 0 days after the transaction.
Pursuant to the Merger Agreement, at the Effective Time, each deferred share unit ("DSU") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such DSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of Common Stock subject to such DSU immediately prior to the Effective Time, multiplied by (ii) the Merger Consideration.