Thieler Law Corp, member of the Investor Attorney Network, is investigating whether certain officers and directors of ADTRAN Inc (NASDAQ: ADTN) violated securities laws in connection with in connection with certain financial statements.

The investigation seeks to discover if possible claims on behalf of purchasers of the securities of ADTRAN Inc (NASDAQ: ADTN)concerning whether a series of statements by ADTRAN Inc regarding its business, its prospects and its operations were materially false and misleading at the time they were made.

On April 21, 2015, ADTRAN Inc announced in a Securities and Exchange Commission ("SEC") filing its financial results were lower than expected for Q1 of 2015 along with other information. Accordingly attributing to both European currency fluctuations and also to the cancellation of the large Tier 1 project that was slated to begin late in Q1 2015.

Following the announcement of this news, shares of ADTRAN dropped by $1.92 per share, to $16.61, or more than 10.36%, on April 22, 2015.

Based in Huntsville, AL and founded in 1985, ADTRAN Inc is a manufacturer and marketer of networking and communications equipment worldwide. It operates in two divisions, Carrier Networks and Enterprise Networks.

If you purchased shares of ADTRAN Inc (NASDAQ: ADTN) on or before April 21, 2015, you should contact Thieler Law Corp at mail@thielerlaw.com or call +1 (619) 377 - 4324.

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