X0306 4 2015-03-06 0 0000007039 TRECORA RESOURCES TREC 0001559040 Upfill-Brown Simon H 2 INWOOD OAKS DR HOUSTON TX 77024 1 1 0 0 Executive Vice President common stock 2015-03-06 4 C 0 5000 7.71 A 30299 D 05/29/13 stock options 7.71 2015-03-06 4 X 0 5000 7.71 A 2014-05-28 2023-05-28 common stock 5000 234479 D Simon Upfill-Brown 2015-03-09