1. Earnings announcement: $AMBT is scheduled to report quarterly earnings on Thu, Nov 14 2013

  2. Insider Transaction: $AMBT Sale at $1.10 - $1.5 per share of 1600000 shares by Beneficial Owner (10% or more) Vicis Capital, Llc on 2013-08-09.

  3. Insider Transaction: $AMBT Sale at $1.50 per share of 1600000 shares by Beneficial Owner (10% or more) Vicis Capital, Llc on 2013-07-31.

  4. Earnings announcement: $AMBT is scheduled to report quarterly earnings on Wed, Oct 24 2012

  5. Earnings announcement: $AMBT is scheduled to report quarterly earnings on Wed, Sep 5 2012

  6. Earnings announcement: $AMBT is scheduled to report quarterly earnings on Wed, Aug 29 2012

  7. Earnings announcement: $AMBT is scheduled to report quarterly earnings on Wed, Aug 15 2012

  8. Insider Transaction: $AMBT Sale at $5.12 per share of 133000 shares by Beneficial Owner (10% or more) Vicis Capital, Llc on 2012-07-18.

  9. Earnings announcement: $AMBT is scheduled to report quarterly earnings on Mon, Aug 13 2012

  10. Insider Transaction: $AMBT Sale at $5.01 per share of 111000 shares by Beneficial Owner (10% or more) Vicis Capital, Llc on 2012-07-10.

  11. Insider Transaction: $AMBT Sale at $4.50 per share of 166000 shares by Beneficial Owner (10% or more) Vicis Capital, Llc on 2012-05-23.