SEC Form 4: Spana Carl disposed of 45,000 units of Stock Option granted 12/12/2017, disposed of 21,320 units of Stock Option granted 6/26/2018, disposed of 29,760 units of Stock Option granted 6/24/2019, disposed of 11,000 units of Stock Option granted 6/27/2013, disposed of 7,000 units of Stock Option granted 6/25/2014, disposed of 12,000 units of Stock Option granted 6/11/2015 and disposed of 17,280 units of Stock Option granted 9/7/2016, decreasing direct ownership by 34% to 283,604 units