10:28 AM EDT, 08/11/2025 (MT Newswires) -- Avantor ( AVTR ) said Monday that its board remains committed to driving growth, expanding margins and creating sustained shareholder value in response to activist investor Engine Capital's call to explore options, including a sale or restructuring.

Avantor ( AVTR ) said it is "acting with urgency" to strengthen performance in laboratory solutions and bioscience production, citing recent executive changes and a $400 million "cost transformation program," among other initiatives.

Engine Capital, which has a 3% stake in Avantor ( AVTR ), said in a letter to the board that a sale might value the company at $17 to $19 a share

Shares of Avantor ( AVTR ) rose 8.1% in Monday trading.

Price: 12.44, Change: +0.94, Percent Change: +8.13