04:44 AM EDT, 10/24/2025 (MT Newswires) -- Coya Therapeutics ( COYA ) said late Thursday it intends to offer and sell common stock in an underwritten public offering.

The company's shares were down more than 12% in premarket activity Friday.

Coya expects to grant underwriters a 30-day option to purchase up to an additional 15% of the offered shares.

The company said net proceeds will be used for working capital and other general corporate purposes, including funding its clinical development plan.