Amgen Data Scientist L5 Offer

I received an offer from Amgen Data Scientist L5 (remote). Should I make the move? What is their cap for Amgen's L5 Data Scientist and how much I can negotiate? Can I ask for a sign up bonus from Amgen? I already have a return offer for BIE in Amazon. Amgen Data Scientist L5 (TC: 145k): 130k base 12% annual bonus 10,000 stocks 5/15/40/40 Remote Amazon BI Engineer L4 (TC: 135k) : 102k base 33k/20k sign up 75,236 5/15/40/40 Seattle Yoe : 3yrs (outside USA) current TC : 0 (new graduate) #amgen #amazon#tech