Date Filer Title Filing Type Shares Traded Price Total Held
September 6, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 9,332 -- 122,663
September 6, 2016 Director, Chairman, President and CEO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 125,000 -- 923,885
September 6, 2016 Controller Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 13,816 -- 115,573
August 16, 2016 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $1.25 80,081
August 16, 2016 Director, Chairman, President and CEO Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $1.25 133,021
June 30, 2016 Director Form 4 Other acquisition or disposition (describe transaction) 7,539 $1.27 20,215
June 30, 2016 Director Form 4 Other acquisition or disposition (describe transaction) 7,539 $1.27 46,870
June 17, 2016 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $1.35 75,081
June 16, 2016 Director, Chairman, President and CEO Form 4 Open market or private purchase of non-derivative or derivative security 7,500 $1.35 128,021
February 19, 2016 Director, CEO Form 4 Open market or private purchase of non-derivative or derivative security 3,000 $1.27 120,521
February 17, 2016 Director, CEO Form 4 Open market or private purchase of non-derivative or derivative security 2,000 $1.27 117,521
February 16, 2016 Director Form 4 Open market or private purchase of non-derivative or derivative security 5,000 $1.16 70,081
February 16, 2016 Director, CEO Form 4 Open market or private purchase of non-derivative or derivative security 4,500 $1.20 115,521
February 12, 2016 Director, CEO Form 4 Open market or private purchase of non-derivative or derivative security 6,500 $1.12 111,021
February 2, 2016 Chief Scientific Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 40,000 -- 152,500
February 2, 2016 CMO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 12,000 $1.33 19,926
February 2, 2016 CMO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 50,000 -- 275,550
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $1.33 5,000
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $1.33 12,676
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 25,000 -- 135,551
February 2, 2016 CFO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 12,000 $1.33 32,228
February 2, 2016 CFO Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 60,000 -- 276,664
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $1.33 39,331
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 25,000 -- 109,998
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 5,000 $1.33 28,999

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.