Pfizer (NYSE:PFE) is reportedly offloading its remaining stake in Covid-19 vaccine partner BioNTech SE (NASDAQ:BNTX).

BNTX is among today's weakest performers. See the full breakdown here

It seeks an overnight block trade of about 4.55 million American depositary receipts, priced between $108 and $111.70 apiece, according to a Bloomberg report. The sale could fetch roughly $508 million at the top end.

Pfizer and BioNTech co-developed Comirnaty, the COVID-19 vaccine that generated billions in global sales and government contracts during the pandemic.

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