Anthropic's seven co-founders will each sell 3,378,378 shares in the company's forthcoming IPO, according to an S-1 filing. At the midpoint of Anthropic's initial price range of $70 to $78 per share, each founder would receive approximately $250 million.
The price range suggests potential valuations ranging from $236 million to $264 million per founder, depending on where shares price. Anthropic's IPO could value the company at $1.4 trillion, though IPOs often price above initial ranges.
The seven founders are Dario Amodei (CEO), Daniela Amodei (president and chair), Tom Brown (chief compute officer), Jack Clark (head of public benefit), Jared Kaplan (chief science officer), Sam McCandlish (chief architect), and Christopher Olah (interpretability research lead).
After the sale, each founder will own roughly 3.2% of Class A shares, with the seven collectively holding approximately 22% of Class A. However, other investors including Amazon and Google hold nonvoting Class N shares. Each founder will also receive one share of Class F stock with supervoting rights. Collectively, the founders will control 51.1% of total voting power, with no single founder holding significantly more shares or votes than the others.
Board member Reed Hastings has indicated plans to purchase $300 million worth of shares through his donor-advised fund. Board member Christopher Liddell wants to buy $3 million worth.
The S-1 filing reveals strong early demand for the offering. The seven left OpenAI in 2021 to start Anthropic after disagreements with OpenAI's leadership over how AI should be built.