UL Solutions shares fall 10.04% intraday after major shareholder sells 12.5M shares in secondary offering.

UL Solutions (ULS) fell 10.04% intraday following a secondary public offering of 12.5 million Class A shares by major shareholder UL Standards & Engagement. The sale, which did not involve the company or generate proceeds for UL Solutions, increased market share availability, creating downward pressure. Investors interpreted the large-scale shareholder sale as a potential signal of reduced confidence in the company’s outlook, despite management affirming its full-year guidance. The move aligns with typical market reactions to dilutive share offerings, as increased supply often depresses stock prices in the short term. While the company’s recent AI safety certification launch (Reason 4) and other positive developments were noted, they did not offset the immediate negative impact of the secondary offering. The sharp intraday decline reflects heightened sensitivity to supply-side pressures amid the stock’s strong year-to-date performance.