Mersana signs its third ADC partnership with big pharmas for the year with Merck agreement. Lilly expands its RNA editing partnership with ProQR, which now has the potential to earn an additional $2.5bn. Novartis continues its divestment efforts in deals with Harrow, Erasca.

Sio Gene, Genocea, Solid Biosciences, Saniona and Black Diamond join First Wave, Zosano, Vallon, Finch, Magenta, ProQR and Imara on the growing list of biopharma firms reducing headcount to make their cash last until valuations return to a level that may support new fundraising. 

Public Company Edition: Merging with a special purpose acquisition corporation may be an attractive alternative to an initial public offering, but February’s vigorous IPO pace includes seven recent offerings that raised $480.8m in the US. Also, Cassava raised $200m and KalVista brought in $222.5m.