A trader bought 1,500 HA Apr 6 Calls for $2.30 (3.2 times usual volume) with stock at $8.22
A trader bought 2,000 MILL Feb 7.5-10 Call Spreads for $0.55 (5.1 times usual volume) with stock at $6.91
A trader bought 1,000 ATHX Jul 2.5 Calls for $0.87 (42.4 times usual volume) with stock at $2.15
A trader sold 5,000 ARIA Dec 3 Puts for $0.12 (3.1 times usual volume) with stock at $3.62
