Anthropic announced that it filed a registration statement on Form S-1 with the US Securities and Exchange Commission for a proposed initial public offering of Class A common stock. The company says it intends to list on the Nasdaq Global Select Market under ANT. According to the announcement, the number of shares and proposed price range had not been determined, and the registration statement had not become effective. This reports the company’s filing announcement; it does not describe a completed IPO, an effective registration statement or shares already trading.
Source: Anthropic — https://www.anthropic.com/news/s1-sec Original publication date: October 26, 2026. Stored at 00:00 UTC as a calendar-date representation, not a verified publication time. Checked October 27, 2026.