An investigation on behalf of investors in shares of Trecora Resources (NYSE:TREC) was announced over potential breaches of fiduciary duties by certain officers and directors at Trecora Resources.

The investigation by a law firm concerns whether certain Trecora Resources (NYSE:TREC officers and directors breached their fiduciary duties and caused damage to the company and its shareholders.

On March 1, 2017, Trecora Resources announced that the Company's Audit Committee 'concluded that there were errors in the accounting for its equity in earnings from its investment in AMAK in Q2 and Q3 2016.' Trecora Resources further advised investors that the Company's quarterly reports for those periods should no longer be relied upon, and that Trecora would restate its financial and operating results for those quarters before filing its annual report for 2016. Then on March 9, 2017, Trecora Resources filed restated financials on Form 10-Q/A.

Shares of Trecora Resources (NYSE:TREC) declined from $14.20 per share in January 2017 to as low as $10.25 per share in April 2017.

On December 7, 2017, NYSE:TREC shares closed at $12.60 per share.