[Updated May 19, 2013.] Gross insider activity in KMGB stock has totaled $136,083 over the past 30 days, composed entirely of disposals. On a net basis, insiders have been net sellers of Kmg Chemicals shares in the past 30 days, to the tune of $136,083, or 0.0648% of the company's market capitalization. This compares to monthly averages of $629,555 and $629,555 for gross and net insider activity, respectively, over the past year.

The last reported insider transaction was filed on April 19, when David L. Hatcher, a director of the firm sold a net 7,537 shares worth a total of $136,083.

KMGB does business in the Basic Materials sector. Industry peers include Adams Resources & Energy (AE), Hallador Energy Company (HNRG), and Polymet Mining (PLM).Activity in Kmg Chemicals shares is extremely high as a share of market capitalization relative to sector peers that have also experienced insider activity in the past 30 days. This is consistent with relative activity measured over the past 12 months.

Kmg Chemicals operates in the Specialty Chemicals sub-sector, and competes with firms such as American Pacific Corporation (APFC), Rex Stores Corporation (REX) and Oil-dri Corporation Of America (ODC). Activity in Kmg Chemicals shares is extremely high as a share of market capitalization relative to sector peers that have also experienced insider activity in the past 30 days. This is consistent with relative activity measured over the past 12 months.