Pfizer chief executive Albert Bourla hit back at Starboard Value in its third-quarter results call, criticising the activist investor for complaining about the company's direction without coming up with any alternative ideas.

Company CEO Albert Bourla said Pfizer would consider “any good ideas” that create value, but argued it has already made important changes to improve the business.

Pfizer raised its full-year profit forecast after better-than-expected sales of its COVID-19 treatment helped it beat Wall Street estimates for third-quarter earnings on Tuesday. Shares of the U.S. drugmaker rose 3.