17. Subsequent Events

The Company has evaluated all events or transactions that occurred after December 31, 2025 through February 27, 2025, which is the date that the consolidated financial statements were available to be issued. During this period, there were no material subsequent events requiring recognition or disclosure, other than the ones described below.

2021 Stock Incentive Plan

On January 1, 2025, our 2021 Stock Incentive Plan automatically increased, and will continue to increase on January 1 of each calendar year for a period of ten years commencing on January 1, 2022 and ending on (and including) January 1, 2031, in a number of shares of common stock equal to 4.5% of the total number of shares of common stock outstanding on December 31 of the preceding calendar year. As of January 1, 2026, the maximum number of common stock shares available for issuance was 384,115.

February 2026 Offering

On February 19, 2026, we entered into a placement agency agreement (the “Placement Agency Agreement”) with ThinkEquity LLC, as sole placement agent (the “Placement Agent”), pursuant to which we agreed to issue and sell directly to various investors in a best efforts public offering (the “February 2026 Offering”) an aggregate of 6,383,000 shares (the “Shares”) of our common stock at a public offering price of $0.47 per share. The Shares were sold pursuant to a registration statement on Form S-1 (File No. 333-292661) relating to the securities filed with the Securities and Exchange Commission (“SEC”) and became effective on February 13, 2026, and a prospectus, dated February 19, 2026. The February 2026 Offering closed on February 23, 2026. The net proceeds to us from the February 2026 Offering, after deducting the underwriting discount, the Representative’s fees and expenses and our estimated offering expenses, were approximately $2,540,109.