UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Pre-Effective Amendment No. 1 to the FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _____________________________ SONOMA PHARMACEUTICALS, INC. Table of Contents As filed with the Securities and Exchange Commission on October 13, 2023. Registration No. 333-274582 (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 2834 (Primary Standard Industrial ...

Table of Contents As filed with the Securities and Exchange Commission on September 19, 2023. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _____________________________ SONOMA PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 2834 (Primary Standard Industrial Classification Code Number) 68-0423298 (I ...