•] SHARES OF COMMON STOCK, [•] PRE-FUNDED WARRANTS (EXERCISABLE FOR [•] SHARES OF COMMON STOCK) [•] SERIES A WARRANTS (EXERCISABLE FOR [•] SHARES OF COMMON STOCK) AND [•] SERIES B WARRANTS (EXERCISABLE FOR [•] SHARES OF COMMON STOCK) OF EKSO BIONICS...