April 2024 Reverse Stock Split

On April 4, 2024, the Board approved the April 2024 Reverse Stock Split and authorized the filing of the Certificate of Amendment to effect such reverse stock split, which was effected on April 12, 2024.

Share Combination Event Adjustment for Certain Warrants

In connection with the April 2024 Reverse Stock Split and pursuant to the share combination event adjustment provisions of certain of the Company’s outstanding warrants, on April 22, 2024, (a) the aggregate number of shares of common stock underlying such warrants increased from an aggregate of up to 1,536,775 to an aggregate of up to 7,139,468, and (b) the exercise price of such warrants was downward adjusted to $1.8302 per share. Such shares will become exercisable upon receipt of stockholder approval for the issuance of such shares.

Nasdaq Decision and Partial Compliance Letter

On April 5, 2024, the Panel issued the April 2024 Decision granting the Company’s request for continued listing on the Nasdaq Capital Market, subject to the Company regaining compliance with certain requirements. On April 29, 2024, the Company received the April 29 Letter from Nasdaq notifying the Company that it has regained compliance with the Minimum Bid Price Requirement, as required by the April 2024 Decision. See Note 1 under the heading “Nasdaq Compliance.”

Initial April 2024 Registered Direct Offering and Concurrent Private Placement

On April 17, 2024, the Company entered into a securities purchase agreement with certain accredited investors, pursuant to which the Company agreed to issue and sell to such investors (i) in a registered direct offering, 225,834 shares of common stock at $3.321 per share, and (ii) in a concurrent private placement, common stock purchase warrants (the “Initial April 2024 Warrants”) exercisable for an aggregate of up to 225,834 shares of common stock, at an initial exercise price of $3.196 per share (the “Initial April 2024 Registered Direct Offering and Concurrent Private Placement”).

The Initial April 2024 Warrants contain 4.99/9.99% beneficial ownership limitations, are exercisable upon issuance and expire on the fifth anniversary of the issuance date of such warrants. Issuance of shares of common stock upon “alternative cashless exercise” pursuant to the terms of such warrants is subject to stockholder approval.

11.Subsequent Event, continued

The Initial 2024 Registered Direct Offering and Concurrent Private Placement closed on April 19, 2024 and the Company received gross proceeds of approximately $750,000 before deducting placement agent fees and other offering expenses payable by the Company.

On or about April 19, 2024, the investors in the Initial 2024 Registered Direct Offering and Concurrent Private Placement each entered into a warrant amendment agreement with the Company whereby such investors agreed to amend the “alternative cashless exercise” provision in Section 2(c) of the Initial April 2024 Warrants such that issuance of shares of common stock upon exercise of such “alternative cashless exercise” is subject to stockholder approval.

Second April 2024 Registered Direct Offering and Concurrent Private Placement

On April 19, 2024, the Company entered into a securities purchase agreement with certain accredited investors, pursuant to which the Company agreed to issue and sell to such investors (i) in a registered direct offering, 361,904 shares of common stock at $5.25 per share, and (ii) in a concurrent private placement, common stock purchase warrants (the “Second April 2024 Warrants”) exercisable for an aggregate of up to 542,856 shares of common stock, at an initial exercise price of $5.06 per share (the “Second April 2024 Registered Direct Offering and Concurrent Private Placement”).

The Second April 2024 Warrants contain 4.99/9.99% beneficial ownership limitations, are exercisable upon issuance and expire on the fifth anniversary of the issuance date of such warrants. Issuance of shares of common stock upon “alternative cashless exercise” pursuant to the terms of such warrants is subject to stockholder approval.

The Second 2024 Registered Direct Offering and Concurrent Private Placement closed on April 23, 2024 and the Company received gross proceeds of approximately $1.9 million before deducting placement agent fees and other offering expenses payable by the Company.

Third April 2024 Registered Direct Offering and Concurrent Private Placement

On April 26, 2024, the Company entered into a securities purchase agreement with certain accredited investors, pursuant to which the Company agreed to issue and sell to such investors (i) in a registered direct offering, 418,845 shares of common stock at $5.73 per share, and (ii) in a concurrent private placement, common stock purchase warrants (the “Third April 2024 Warrants”) exercisable for an aggregate of up to 418,845 shares of common stock, at an initial exercise price of $5.60 per share (the “Third April 2024 Registered Direct Offering and Concurrent Private Placement”).

The Third April 2024 Warrants contain 4.99/9.99% beneficial ownership limitations, are exercisable upon issuance and expire on the fifth anniversary of the issuance date of such warrants. Issuance of shares of common stock upon “alternative cashless exercise” pursuant to the terms of such warrants is subject to stockholder approval.

The Third 2024 Registered Direct Offering and Concurrent Private Placement closed on April 30, 2024 and the Company received gross proceeds of approximately $2.4 million before deducting placement agent fees and other offering expenses payable by the Company.

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11.Subsequent Event, continued

Initial May 2024 Registered Direct Offering and Concurrent Private Placement

On May 13, 2024, the Company entered into a securities purchase agreement with certain accredited investors, pursuant to which the Company agreed to issue and sell to such investors (i) in a registered direct offering, 785,000 shares of common stock at $3.31 per share, and (ii) in a concurrent private placement, common stock purchase warrants (the “Initial May 2024 Warrants”) exercisable for an aggregate of up to 785,000 shares of common stock, at an initial exercise price of $3.18 per share (the “Initial May 2024 Registered Direct Offering and Concurrent Private Placement”).

The Initial May 2024 Warrants contain 4.99/9.99% beneficial ownership limitations, are exercisable upon issuance and expire on the fifth anniversary of the issuance date of such warrants. Issuance of shares of common stock upon “alternative cashless exercise” pursuant to the terms of such warrants is subject to stockholder approval.

The Initial May 2024 Registered Direct Offering and Concurrent Private Placement closed on May 15, 2024 and the Company received gross proceeds of approximately $2.6 million before deducting placement agent fees and other offering expenses payable by the Company.

Second May 2024 Registered Direct Offering and Concurrent Private Placement

On May 15, 2024, the Company entered into a securities purchase agreement with certain accredited investors, pursuant to which the Company agreed to issue and sell to such investors (i) in a registered direct offering, 675,000 shares of common stock at $3.61 per share, and (ii) in a concurrent private placement, common stock purchase warrants (the “Second May 2024 Warrants”) exercisable for an aggregate of up to 675,000 shares of common stock, at an initial exercise price of $3.48 per share (the “Second May 2024 Registered Direct Offering and Concurrent Private Placement”).

The Second May 2024 Warrants contain 4.99/9.99% beneficial ownership limitations, are exercisable upon issuance and expire on the fifth anniversary of the issuance date of such warrants. Issuance of shares of common stock upon “alternative cashless exercise” pursuant to the terms of such warrants is subject to stockholder approval.

The Second May 2024 Registered Direct Offering and Concurrent Private Placement closed on May 17, 2024 and the Company received gross proceeds of approximately $2.4 million before deducting placement agent fees and other offering expenses payable by the Company.