San Diego, CA -- (SBWIRE) -- 07/29/2015 -- The Shareholders Foundation announced that an investigation for investors who purchased NYSE:NAV shares is ongoing concerning potential breaches of fiduciary duties by certain officers and directors at Navistar International that caused damage to shareholders.

Shares of Navistar International Corp (NYSE:NAV) declined from $39.62 per share in September 2014 to as low as $16.32 per share on July 27, 2015.

Investors who purchased shares of Navistar International Corp (NYSE:NAV) have certain options and should contact the Shareholders Foundation at mail@shareholdersfoundation or call +1(858) 779 - 1554.

The investigation by a law firm concerns whether certain Navistar International officers and directors breached their fiduciary duties and caused damage to the company and its shareholders.

On July 14, 2015, the U.S. Department of Justice on behalf of the U.S. Environmental Protection Agency ("EPA") filed a lawsuit against Navistar International Corp and Navistar, Inc. in the U.S. District Court for the Northern District of Illinois alleging that during 2010 Navistar International Corp introduced into commerce approximately 7,750 heavy-duty diesel engines that did not meet the EPA's emissions standards applicable to 2010 engines, resulting in violations of the federal Clean Air Act. The lawsuit requests injunctive relief and the assessment of civil penalties of up to $37,500 per day for each violation.

Those who purchased shares of Navistar International Corp (NYSE:NAV), have certain options and should contact the Shareholders Foundation.

Contact:
Shareholders Foundation, Inc.
Michael Daniels
3111 Camino Del Rio North - Suite 423
92108 San Diego
Phone: +1-(858)-779-1554
Fax: +1-(858)-605-5739
mail@shareholdersfoundation.com