BIIB sells stake in Samsung-Bioepis biosimilar JV for $2.25B: https://www.globenewswire.com/news-release/2022/01/27/2374805/0/en/Biogen-Reaches-Agreement-with-Samsung-Biologics-to-Sell-Equity-Stake-in-Their-Biosimilar-Joint-Venture-for-up-to-2-3-billion.html The JV was created a little more than ten years ago.