This claim that Halsey was a major IPO player is factually incorrect, Halsey Stuart was not involved in significant equity trades or IPO's. It may have owned a seat on a regional stock exchange, as a matter of prestige, but was not a member of the NYSE and had no equity trading operations.
The claim that Halsey was a major player in IPOs is factually incorrect; Halsey Stuart was not involved in significant equity trades or initial public offerings. She may have held a seat on a regional stock exchange out of respect, but there's no evidence of her being affiliated with the NYSE or running an equity trading business.