Bayer buys private cell-therapy company, BlueRock Therapeutics, paying $240M up-front for the 59% equity stake Bayer did not already own: https://www.prnewswire.com/news-releases/bayer-acquires-bluerock-therapeutics-to-build-leading-position-in-cell-therapy-300898714.html https://endpts.com/bayer-is-going-all-in-on-next-gen-stem-cell-biotech-bluerock-buying-out-versant-and-founders-for-600m/ The collaboration dates back to 2016.