Chun-Hao Chang agreed to acquire 65.96% stake in Petrichor Corp. from Liudmila Shokhina for $0.24 million in cash on April 4, 2016. The transaction was funded from personal resources. As on April 22, 2016, Chun-Hao Chang was elected as President, Chief Executive Officer, Chief Financial Officer and Secretary and as a director and Liudmila Shokhina resigned from all her positions as the sole officer and director of Petrichor Corp.

Chun-Hao Chang completed the acquisition of 65.96% stake in Petrichor Corp. from Liudmila Shokhina on April 22, 2016.