 PureTech Health LSE:PRTC, NASDAQ:PRTC, OTC:PTCHF PLC has confirmed that it is in talks about a possible tie-up with Nektar Therapeutics NASDAQ:NKTR, Inc. Responding to press speculation, PureTech said it has exchanged indicative, non-binding proposals with Nektar Therapeutics regarding a possible combination, which may include an offer for the share capital of PureTech. PureTech and Nektar remain in discussions regarding the proposal. 