6. Stockholders’ Equity

As of March 31, 2025, 893,181 shares of the 908,362 shares of the common stock grant, which includes an additional grant of 120 shares issued during the vesting period due to rounding up of fractional shares, had vested at approximately $2,009,657 value and 15,181 shares remain unvested and unrecognized at approximately $34,157 value. There were no shares vested during the three months ended March 31, 2025 and 2024.

On January 23, 2022, the Board of Directors authorized the Company’s management to implement a stock repurchase program for up to $10 million of the Company’s common stock at any time. The term of the Board of Directors authorization of the repurchase program is until March 31, 2023. The repurchase program may be suspended or discontinued at any time and will be funded using the Company’s working capital. As of March 31, 2023, approximately 519,828 shares of the Company’s common stock has been repurchased and cancelled at an aggregate purchase price, including all transactions costs, of approximately $7,536,216. There were no shares repurchased during the three months ended March 31, 2023.

On January 23, 2022, November 30, 2022, November 17, 2023, March 12, 2024, and March 2, 2025, the board of directors sequentially extended the lock-up of the shares owned by the Company’s directors, officers, and existing pre-IPO investors to March 31, 2026 (approximately 66 months from date of the Company’s IPO). During this period, current officers, directors and certain shareholders will not be able to sell their shares of the Company’s common stock unless otherwise modified by the board of directors. After March 31, 2026, leak-out provisions will become effective unless otherwise modified by the board of directors.

Between January 1, 2025 and March 31, 2025, the Company completed At The Market (“ATM”) offerings pursuant to its ATM agreement with H. C. Wainwright, in which it issued and sold a total of 39,918 shares of its common stock at an average offering price of $12.52 per share for gross proceeds of $499,936 and net proceeds of $492,423, after deducting underwriting discounts and commissions and offering expenses borne by the Company, which totalled $7,513.

Between January 1, 2024 and March 31, 2024, the Company completed At The Market (“ATM”) offerings pursuant to its ATM agreement with Jefferies, in which it issued and sold a total of 27,117 shares of its common stock at an average offering price of $12.26 per share for gross proceeds of $332,351 and net proceeds of $299,116, after deducting underwriting discounts and commissions and offering expenses borne by the Company, which totalled $33,235.

Warrants

At March 31, 2025, outstanding warrants to purchase shares of common stock accounted for as equity were as follows with an aggregate intrinsic value as of March 31, 2025 of $47,459 based on the March 31, 2025 closing share price of $9.54:

 Schedule of Outstanding Warrants

Options

On June 22, 2022, prior to the close of the Nasdaq market, 1,498,128 shares of common stock were granted to employees, consultants, and directors issuable upon exercise of outstanding stock options under the Company’s 2019 Equity Incentive Plan at an exercise price of $7.63 per share, which was the most recent prior closing share price on June 21, 2022. The options had a fair value on the grant date of $9,512,356, based on a risk-free rate of 3.2% and an annualized volatility of 106%. As of March 31, 2025, $6,599,194 was expensed and $2,913,162 may be expensed in the future if and as vesting occurs. As of March 31, 2024, $4,221,106 was expensed. Vesting will be based on time of service over a four year period and certain additional performance milestones for senior management, primarily related to the Phase III clinical trial.

On December 24, 2024, prior to the close of the Nasdaq market, 1,627,937 shares of common stock were granted to employees, consultants, and directors issuable upon exercise of outstanding stock options under the Company’s Amended 2024 Equity Incentive Plan at an exercise price of $12.16 per share, which was the most recent prior closing share price on December 23, 2024. The options had a fair value on the grant date of $16,190,565, based on a risk-free rate of 4.5% and an annualized volatility of 103%. As of March 31, 2025, $5,824,931 was expensed and $10,365,634 may be expensed in the future if and as vesting occurs. Vesting will be based on time of service over a three year period with certain additional retention milestones for senior management.