ASP Isotopes (NASDAQ:ASPI) stock is down on Friday after the development stage advanced materials company announced a proposed public offering for its shares.The company hasn’t revealed the finer details of this offering just yet. That means we don’t know how many shares it will include or what they will be priced at. We also don’t know how much it expects to raise from the offering.What he do know is that ASP Isotopes intends to offer an additional 15% of shares in the offering to underwriters. This will g ...