N. Mark Tompkins

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
AMST $2.50 35,822 Large Shareholder 2,043,103 2021-06-01 Filing
AMST $2.39 17,494 Large Shareholder 2,078,925 2021-05-28 Filing
AMST $2.39 13,600 Large Shareholder 2,096,419 2021-05-27 Filing
AMST $2.27 22,444 Large Shareholder 2,110,019 2021-05-26 Filing
AMST $2.24 11,453 Large Shareholder 2,132,463 2021-05-25 Filing
AMST $2.25 10,243 Large Shareholder 2,143,916 2021-05-24 Filing
AMST $2.20 3,191 Large Shareholder 2,154,159 2021-05-21 Filing
AMST $2.21 56,437 Large Shareholder 2,157,350 2021-05-20 Filing
AMST $2.23 44,400 Large Shareholder 2,213,786 2021-05-19 Filing
AMST $2.19 16,430 Large Shareholder 2,258,186 2021-05-18 Filing
AMST $2.22 7,395 Large Shareholder 2,275 2021-05-17 Filing
AMST $2.36 40,109 Large Shareholder 2,282,012 2021-05-14 Filing
AMST $2.30 53,610 Large Shareholder 2,322,121 2021-05-13 Filing
AMST $2.22 13,705 Large Shareholder 2,375,731 2021-05-12 Filing
AMST $2.31 11,311 Large Shareholder 2,389,436 2021-05-11 Filing
AMST $2.50 12,600 Large Shareholder 2,400,747 2021-05-10 Filing
AMST $2.69 12,711 Large Shareholder 2,413,347 2021-05-07 Filing
AMST $2.67 13,777 Large Shareholder 2,426,058 2021-05-06 Filing
AMST $2.61 10,385 Large Shareholder 2,439,835 2021-05-05 Filing
AMST $2.96 51,971 Large Shareholder 2,450,220 2021-05-04 Filing