Taihan Systems Co., Ltd. acquired 2.6% stake in Cornerstone Networks CO., LTD (KOSDAQ:A033110) from Horizon 1971 Korea Co., Ltd. for KRW 1.9 billion on August 28, 2019. Taihan Systems Co., Ltd. acquired 3.25 million shares at KRW 597 per share. In a related transaction, Septillion Co., Ltd. acquired 2.2% stake in Cornerstone Networks CO., LTD from Horizon 1971 Korea Co., Ltd. for KRW 1.6 billion. Prior to the transactions, Horizon 1971 Korea Co., Ltd. held 6.72 million shares and after the transactions, Horizon 1971 Korea Co., Ltd. holds 0.72 million shares of Cornerstone Networks CO., LTD. Taihan Systems Co., Ltd. completed the acquisition of 2.6% stake in Cornerstone Networks CO., LTD (KOSDAQ:A033110) from Horizon 1971 Korea Co., Ltd. on August 28, 2019.