The filing for a mixed shelf offering is a proactive financial strategy, indicating that Pyxis Tankers Inc is preparing for future financial needs. This could include funding for acquisitions, capital expenditures, or debt refinancing. Such a move is often seen positively by the market as it demonstrates a company's forward-thinking and readiness to capitalize on opportunities or manage liabilities effectively. However, the actual impact on the stock price will depend on investor perception of the company's growth prospects and how the funds are intended to be used.