Pfizer appointed a former chief executive officer at Vanguard, the drug giant's biggest investor, to its board on Tuesday as ...

The corporate clash between Pfizer and Starboard Value heated up on Thursday when the activist investment firm pressed the ...

In a letter to Pfizer’s board, the activist investor claimed former CEO Ian Read and CFO Frank D’Amelio were pressured to ...

Hedge fund Starboard Value's activist campaign targeting Pfizer (PFE) divides Wall Street, with analysts questioning the ...

Activist investor Starboard Value claims the pharma giant’s former CEO and CFO were “threatened” into backing current ...

Pfizer Inc. company officials threatened legal action against two former top executives who had been working with Starboard ...

Starboard Value has asked Pfizer to set up a special committee to investigate allegations that two of its former senior ...

Barely three years since its coronavirus vaccine helped stem the pandemic, Pfizer’s stock has lost 50 percent of its value ...

Speculation surrounds the reversal, with Jeff Smith, CEO of Starboard, claiming Pfizer pressured the ex-executives with ...

Will this clash between a major shareholder and management, current and former, harm the stock? Or is the situation merely an ...

Pfizer’s situation with activist investor Starboard Value is already getting messy. | After initially supporting a meeting ...

Now, despite playing no formal role in the battle between Pfizer and Starboard, Guggenheim has found itself in the crossfire of one of the messiest activist campaigns in recent Wall Street memory.