Starboard has approached two former Pfizer executives, Ian Read and Frank D’Amelio, to assist in its efforts, and they have expressed interest in helping, The Wall Street Journal reported Sunday, citing people familiar with the matter.

Activist investor Starboard Value has taken a stake of about $1 billion in Pfizer and wants the U.S. drug giant to make changes to turn its performance around, sources familiar with the matter said on Sunday.

Activist investor Starboard Value has built a $1bn position in Pfizer, according to two people familiar with the matter, as the drugmaker behind the top-selling Covid-19 jab struggles to reverse a fall in its share price to below pre-pandemic levels.