Chun Byung Nyun acquired an additional 6.4% stake in WOOJUNG BIO, Inc. (KOSDAQ:A215380) for KRW 4.4 billion on August 28, 2020. Chun Byung Nyun acquired 772,831 shares at KRW 5,661 per share by exercise of call option rights. Chun Byung Nyun completed the acquisition of an additional 6.4% stake in WOOJUNG BIO, Inc. (KOSDAQ:A215380) on August 28, 2020.