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 ...

Hedge fund Starboard Value's latest activist campaign targeting Pfizer (NYSE:PFE) has boosted the company's shares in recent ...

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

In another twist to the tale of Starboard Value's push for change at Pfizer, the activist investor has claimed former ...

Pharmaceutical giant Pfizer (PFE) is butting heads with activist investor Starboard Value, as Starboard demands an ...

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

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.

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

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With Pfizer’s revenue and share price slumping after the drugmaker skyrocketed to new heights during the pandemic, the ...

Activist investor Starboard Value is looking to shake up pharma giant Pfizer's sagging stock price.