** Shares of life sciences company Avantor AVTR.N fall 12.2% to $9.80 premarket
** Co reports Q4 adjusted EPS of 22 cents, in line with analysts' average estimate, according to data compiled by LSEG
** Co posts Q4 sales of $1.66 billion, compared with analysts' estimate of $1.64 billion
** Last year, activist investor Engine Capital urged AVTR to refresh its board with new directors, cut costs and even sell the company
** AVTR stock plunged 45% in 2025
(Reporting by Padmanabhan Ananthan)
((Padmanabhan.Ananthan@thomsonreuters.com))