Amendment to Schedule 13D Filing for CEA Industries Inc.

This filing is an amendment to a Schedule 13D for CEA Industries Inc. YZi Labs Management Ltd. has acquired 2,150,481 shares, representing 4.9% of the outstanding stock. The purpose of this amendment is to supplement Item 4 by noting that on March 13, 2026, YZi Labs formally requested the company to set a record date for determining stockholders entitled to express written consent for corporate actions. This request is a procedural step required by the company's bylaws, as amended in late December 2025, which impose significant restrictions on director nominations and stockholder consent solicitations. The amendment also lists various individuals who have signed the filing, including Ling Zhang, Changpeng Zhao, Max Sieben Baucus, James David Chapman, Teresa Marie Goody Guillen, Jiajin He, Alex Odagiu, Matthew Roszak, and Ling Zhang in various capacities. The filing details the ownership percentages and amounts for several reporting persons, with YZi Labs Management Ltd. and Jiajin He holding the most significant stakes among those listed.