July 29, 2015 - The court approved the settlement, the motion for attorneys’ fees and expenses, and dismissed the action with prejudice.
April 16, 2015 - The court preliminarily approved the settlement.

December 30, 2014 - Parties filed a stipulation of settlement.

July 17, 2014 - The U.S. Court of Appeals for the Fifth Circuit reversed the district court's dismissal on August 22, 2013.

September 11, 2013 - The lead plaintiffs filed a notice of appeal.

August 22, 2013 - The court granted defendants' motion to dismiss.

January 14, 2013 - The defendants filed a motion to dismiss.

December 14, 2012 - The court granted the voluntary dismissal.

December 11, 2012 - The lead plaintiffs filed a notice of voluntary dismissal of claims against one defendant.

November 15, 2012 - The lead plaintiffs filed an amended complaint on behalf of investors who purchased Houston American Energy Corporation (AMEX: HUSA) common shares between November 9, 2009 and April 18, 2012. The lead plaintiffs allege that the defendants violated the Securities Exchange Act of 1934 by issuing false and misleading statements between November 9, 2009 and April 18, 2012.

September 20, 2012 - Lead plaintiffs and lead counsel were appointed and all cases were consolidated.

June 26, 2012 - Lead plaintiff motions were filed.

April 27, 2012 - An investor in shares of Houston American Energy Corporation (AMEX: HUSA) filed a lawsuit in the U.S. District Court for the Southern District of Texas against Houston American Energy Corporation over alleged violations of Federal Securities Laws in connection with certain allegedly false and misleading statements made between March 29, 2010 and April 18, 2012.

According to the complaint the plaintiff alleges on behalf of all persons who purchased Houston American Energy Corporation (AMEX: HUSA) securities between March 29, 2010 and April 18, 2012, that Houston American Energy Corporation and certain of its top officials violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934.

On March 1, 2012, Houston American Energy Corporation disclosed an update on drilling operations and on April 19, 2012, Houston American Energy Corporation (AMEX: HUSA) announced that a determination has been made to cease efforts to test and complete the C7 and C9 formations in the Tamandua #1 sidetrack well. Houston American Energy Corporation said that despite favorable Logging-While-Drilling logs, cased-hole logs and mudlog shows, it was determined that continued investment in testing and completion is inadvisable at this time possibly due to formation damage while drilling.

Houston American Energy Corporation also confirmed that the Securities and Exchange Commission ( SEC ) is conducting a non-public formal investigation into Houston American Energy Corporation. Pursuant to the investigation, in February and April of 2012, Houston American Energy Corporation received three subpoenas issued by the SEC. The subpoenas called for the testimony of Houston American Energy Corporation's chief executive officer and chief financial officer and the delivery of certain documents. The subpoenas were issued pursuant to a nonpublic formal order of private investigation issued by the SEC on March 1, 2011, which followed a nonpublic informal inquiry commenced by the SEC in October 2010. Although Houston American Energy Corporation cannot be certain of the scope of the investigation, the SEC is trying to determine whether there have been any violations of the federal securities laws.

Houston American Energy Corporation (AMEX: HUSA) shares fell from $10.84 per share on February 29, 2012 to slightly above $2 per share on April 20, 2012.

Houston American Energy Corporation (AMEX: HUSA) fell on April 25, 2012 to as low as 1.62 and closed on Friday, April 27, 2012 at $2.62 per share, substantially down from its current 52 week High of over $20 per share.