Date Filer Title Filing Type Shares Traded Price Total Held
May 6, 2013 SVP Investor Relations Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 80,000 -- 300,000
May 6, 2013 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 35,000 -- 90,000
May 6, 2013 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 35,000 -- 130,000
May 6, 2013 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 45,000 -- 248,245
May 6, 2013 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 35,000 -- 105,000
May 6, 2013 CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 200,000 -- 1,165,000
May 6, 2013 Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 40,000 -- 86,667
March 20, 2013 Director Form 4 Open market or private purchase of non-derivative or derivative security 20,000 $1.06 41,000
March 20, 2013 Director Form 4 Open market or private purchase of non-derivative or derivative security 3,750 $1.06 160,375
March 19, 2013 CFO Form 4 Open market or private sale of non-derivative or derivative security 37,272 $1.06 --
December 18, 2012 SVP & Chief Financial Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 8,636 $2.77 37,272
December 18, 2012 SVP & Chief Financial Officer Form 4 Exercise of in-the-money or at-the-money derivative security 8,636 $2.77 --
December 10, 2012 Director Form 4 Open market or private purchase of non-derivative or derivative security 14,000 $7.60 380,385
December 7, 2012 President & CEO Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 17,271 $2.77 213,285
December 7, 2012 President & CEO Form 4 Exercise of in-the-money or at-the-money derivative security 17,271 $2.77 17,083
December 5, 2012 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 34,583 $3.25 156,625
December 5, 2012 Director Form 4 Exercise of in-the-money or at-the-money derivative security 34,583 $3.25 --
November 15, 2012 Director Form 4 Open market or private purchase of non-derivative or derivative security 11,600 $5.20 90,027
October 15, 2012 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 34,542 $2.77 119,542
October 15, 2012 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 2,500 $2.36 122,042
October 15, 2012 Director Form 4 Exercise of in-the-money or at-the-money derivative security 34,542 $2.77 37,083
October 15, 2012 Director Form 4 Exercise of in-the-money or at-the-money derivative security 2,500 $2.36 34,583
September 20, 2012 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 35,000 $2.72 296,025
September 20, 2012 Director Form 4 Exercise of in-the-money or at-the-money derivative security 35,000 $2.72 219,911
September 20, 2012 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 17,083 $3.25 313,108

For recent transactions, including derivative transactions, see our Section 16 SEC filings page.

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.