Anthropic files S-1 with the SEC for proposed initial public offering

Anthropic announced that it had publicly filed a Form S-1 registration statement with the SEC for a proposed IPO of its Class A common stock, to be listed on Nasdaq under the symbol ANT.

Anthropic files its S-1 publicly

Anthropic announcement, October 26, 2026 — summarised. Original: anthropic.com/news/s1-sec

What was filed. Anthropic, PBC filed a registration statement on Form S-1 with the US Securities and Exchange Commission for a proposed initial public offering of its Class A common stock. This follows the confidential draft S-1 Anthropic submitted in June 2026.

Listing.

Exchange

Nasdaq Global Select Market

Ticker

ANT

Share class offered

Class A common stock

Number of shares

Not yet determined

Price range

Not yet determined

Prospectus. The offering will be made only through a prospectus. Copies of the preliminary prospectus, once available, can be requested from the prospectus departments of Goldman Sachs & Co. LLC and Morgan Stanley & Co. LLC.

Status. The registration statement has been filed but has not yet become effective. Until it does, the shares cannot be sold and offers to buy cannot be accepted, and the announcement itself is not an offer to sell or a solicitation to buy.


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