First Wave BioPharma(FWBI) - Prospectus(update)

As filed with the Securities and Exchange Commission on September 10, 2025 Registration Statement No. 333-289864 UNITED STATES SECURITIES AND EXCHANGE COMMISSION (State or other jurisdiction of incorporation or organization) Delaware 2834 46-4993860 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Washington, D.C. 20549 777 Yamato Road, Suite 502 Boca Raton, Florida 33431 (561) 589-7020 (Address, including zip code, and telephone number, including area code, o ...