04:56 PM EDT, 10/28/2025 (MT Newswires) -- Perpetua Resources ( PPTA ) , was last seen down 3.1% in after-hours Nasdaq trade on Tuesday as it launched a US$70-million public share offering offering of shares in the United States.

The company is selling shares to an underwriting syndicate but did not announce pricing for the offer. It said Agnico Eagle Mines ( AEM ) intends to exercise its pro rata participation right through a concurrent private placement at the public offering price.

Proceeds will be used to fund construction and development of the Stibnite Gold Project in Idaho. which it said is one of the highest-grade open-pit gold deposits in the United States and the only U.S. antimony resource, as well as for working capital, exploration, restoration and general corporate purposes.

The company's shares were last seen down US$0.82 to US$24.72 after hours. They closed up $0.58 to $35.33 on the Toronto Stock Exchange.