Unusual Option Activity

A trader bought 1,000 SEE Jan 30-32 Call Spreads for $1.45 (2.6 times usual volume) with stock at $32.29
A trader bought 3,500 IMGN Dec 15 Calls for $0.425 (4.2 times usual volume) with stock at $14.07
A trader bought 2,800 MNST Mar 45 Puts for $0.60 (2.1 times usual volume) with stock at $59.05
A trader bought 2,700 IVZ Jan 35 Calls for $1.05 (3.2 times usual volume) with stock at $34.76
A trader bought 1,000 TAN Jan 36 Puts for $0.53 (3.1 times usual volume) with stock at $38.88