December 29, 2023 · Form 4 insider transaction
Thackray Helen M. bought 252 shares of ImmunoGen, Inc. at $29.65 per share, a transaction worth $7.5K. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 5 days after the transaction.
Shares of common stock issued pursuant to the Compensation Policy for Non-Employee Directors as amended June 14, 2023 in lieu of cash compensation for services performed for the quarter ended December 31, 2023.