May 1, 2017 - The court dismissed the case with prejudice.
February 14, 2017 - The court granted defendants' motion to dismiss without prejudice and with leave to amend.

March 14, 2016 - The lead plaintiffs filed an amended complaint.

January 28, 2016 - Lead plaintiffs and lead counsel were appointed.

September 30, 2015 - Lead plaintiff motions were filed.

July 31, 2015 - An investor in shares of Helix Energy Solutions Group Inc (NYSE: HLX) filed a lawsuit in the U.S. District Court for the Southern District of Texas over alleged violations of Federal Securities Laws by Helix Energy Solutions Group Inc (NYSE: HLX) in connection with certain allegedly false and misleading statements made between October 21, 2014 and July 21, 2015.

According to the complaint the plaintiff alleges on behalf of purchasers of Helix Energy Solutions Group Inc (NYSE: HLX) common shares between October 21, 2014 and July 21, 2015, that the defendants violated Federal Securities Laws.

Shares of Helix Energy Solutions Group Inc (NYSE: HLX ) grew to as high as $27.24 per share in November 2014. Helix Energy Solutions Group Inc reported that its annual Total Revenue rose from $846.11 million in 2012 to over $1.1 billion in 2014 and that its Net Loss of $46.33 million in 2012 turned into a Net Income of $195.05 million in 2014.

During an October 21, 2014 earnings call CEO of Helix Energy Solutions Group Inc stated that the Q4000 vessel would be out of drydock for approximately 45 days and the H534 for about 30 days.

On July 20, 2015, Helix Energy Solutions Group Inc announced its financial results for the second quarter of 2015. In Helix Energy Solutions Group Inc’s Form 10-Q filed two days later, Helix Energy Solutions Group Inc disclosed the Q4000 was in dry dock for 75 of the 91 days in the second quarter, and that the H534 was utilized for 50 days of that quarter.

Shares of Helix Energy Solutions Group Inc (NYSE: HLX) declined to as low as $8.43 per share on July 7, 2015.