Date Filer Title Filing Type Shares Traded Price Total Held
February 15, 2017 Director Form 4 Open market or private purchase of non-derivative or derivative security 45,000 $0.21 145,081
February 25, 2011 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 40,000 $2.49 145,000
January 19, 2009 VP & Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,666 $2.72 145,000
March 23, 2011 CEO Form 4 Conversion of derivative security 17,083 $2.40 143,745
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 143,689
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 70,000 -- 143,689
October 7, 2016 Director, Chairman, President and CEO Form 4 Open market or private purchase of non-derivative or derivative security 10,000 $1.14 143,021
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 140,118
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 70,000 -- 140,118
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 139,880
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 70,000 -- 139,880
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 139,737
June 15, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 70,000 -- 139,737
February 25, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,000 -- 139,689
November 14, 2005 President, CEO Form 4/A Open market or private purchase of non-derivative or derivative security 76,645 $0.33 139,145
May 13, 2009 Director Form 4 Open market or private purchase of non-derivative or derivative security 15,000 $3.90 137,562
February 25, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,000 -- 136,118
February 25, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,000 -- 135,880
February 25, 2020 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 6,000 -- 135,737
February 2, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 25,000 -- 135,551
January 19, 2009 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,666 $2.72 134,912
October 3, 2019 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 14,000 -- 133,689
January 19, 2009 VP & Chief Medical Officer Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 11,667 $2.72 133,334
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
September 6, 2016 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 12,665 -- 131,551

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.