Apr 26, 2021 Award D (derivative) 745,000 — — SEC Dec 28, 2020 Award 17,031 — — SEC Sep 24, 2020 Buy 10,000 0.52 USD $5.2K SEC Aug 20, 2019 Buy 10,000 0.75 USD $7.5K SEC May 20, 2019 Buy 5,000 0.90 USD $4.5K SEC Dec 14, 2018 Buy 5,000 1.52 USD $7.6K SEC Nov 13, 2018 Buy 3,000 1.70 USD $5.1K SEC Aug 8, 2018 Buy 2,750 2.23 USD $6.1K SEC May 14, 2018 Buy 3,000 2.70 USD $8.1K SEC Nov 13, 2017 Buy 2,500 2.80 USD $7K SEC Oct 20, 2017 Buy 12,500 2.80 USD $35K SEC Jun 15, 2017 Buy 3,000 3.33 USD $10K SEC Jun 15, 2017 Buy 2,000 3.30 USD $6.6K SEC May 30, 2017 Buy 1,500 3.45 USD $5.2K SEC May 17, 2017 Buy 750 3.65 USD $2.7K SEC May 12, 2017 Buy 1,398 3.85 USD $5.4K SEC May 12, 2017 Buy 2,602 3.75 USD $9.8K SEC May 12, 2017 Buy 1,000 3.87 USD $3.9K SEC May 31, 2016 Buy 500 5.86 USD $2.9K SEC May 11, 2016 Buy 2,000 6.99 USD $14K SEC May 19, 2015 Buy 9,300 5.27 USD $49K SEC Aug 29, 2013 Award D (derivative) 100,000 6.25 USD $625K SEC Apr 18, 2012 Award D (derivative) 12,598 4.45 USD $56.1K SEC Apr 6, 2012 Award 10,650 0.00 USD — SEC Jan 7, 2011 Buy 20,408 0.20 USD $4.1K SEC