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 ...

Pfizer CEO Albert Bourla reportedly is planning to meet with Starboard Value after the activist investor took a $1 billion ...

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

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

Former Pfizer Inc. executives Ian Read and Frank D’Amelio have decided “not to be involved” in Starboard Value’s activist ...

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.

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

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

CFO Frank D'Amelio said in a statement that they will not be involved with activist investor Starboard Value, which wants the ...

Pfizer Inc. and Albert Bourla got the upper hand in an early skirmish against Starboard Value LP — but the drugmaker and its embattled chief executive face a long war against an activist that hates to ...