BeiGene, a Beijing oncology company, began trading on the Shanghai STAR Board as the last step in its $3.5 billion IPO. The company is now listed in the US, Hong Kong, and Shanghai.

Though buy windows remain closed for some insiders during earnings-reporting season, plenty of others continued to purchase shares despite market volatility. Here are some of the most noteworthy insider purchases reported in the past week.

Covering today's biggest news in biotech, including upcoming IPO's and which stocks are hitting their 52 week high and lows.