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BioSpace's[1][3] copy of Pfizer's release is dated December 14, 2023; Pfizer's 12 December notice had said it expected to close on 14 December.On 14 December 2023 Pfizer completed its acquisition of cancer biotech Seagen for US$229 per share in cash, an enterprise value of about US$43 billion, and donated US Bavencio royalties to AACR to address FTC concerns.
$43B
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