4. Equity Securities

A summary of the Company’s equity securities as of September 30, 2024, is as follows:

Common Stock

On September 17, 2024, the Company closed a private placement (the “September 2024 PIPE”) priced at the market under Nasdaq rules, in which it sold 1,912,569 pre-funded warrants to purchase up to an aggregate of 1,912,569 shares of Common Stock with an exercise price of $0.001 per share (the “September 2024 Pre-Funded Warrants”), and 1,912,569 series A warrants (the “September 2024 PIPE Series A Common Warrants”) to purchase up to an aggregate of 1,912,569 shares of Common Stock and 1,912,569 series B warrants (the “September 2024 PIPE Series B Common Warrants” and together with the September 2024 PIPE Series A Warrants, the “September 2024 PIPE Warrants”) to purchase up to an aggregate of 1,912,569 shares of Common Stock. The September 2024 PIPE Warrants have an exercise price of $1.58. In connection with the September 2024 PIPE, the Company entered into a registration rights agreement with the investor, pursuant to which the Company agreed to prepare and file a registration statement with the Securities and Exchange Commission (the “SEC”) registering the resale of the shares of Common Stock underlying the securities sold in the September 2024 PIPE financing. The Company filed a Form S-3 on September 19, 2024, which was declared effective by the SEC on September 24, 2024. The Company received net cash proceeds of approximately 3.1 million from the September 2024 PIPE after deducting underwriters’ discounts and offering expenses of approximately $0.4 million. During the third quarter of 2024, 167,569 of the 1,912,569 September 2024 Pre-Funded Warrants were exercised by the investor. As of September 30, 2024, 1,745,000 September 2024 Pre-Funded Warrants remained outstanding.

In June 2024, the Company entered into an At The Market Offering Agreement (the “ATM Agreement”) with a sales agent (the “Sales Agent”), providing for the sale of up to $1,157,761 of its shares of Common Stock as set forth in the ATM Agreement. The Sales Agent will be entitled to compensation at a fixed commission rate of 3.0% of the gross sales price of the shares of Common Stock sold pursuant to the ATM Agreement, as well as other transactional fees. During July 2024, the Company issued 355,806 shares of Common Stock under the ATM Agreement resulting in gross proceeds of $1,157,248 before deducting issuance costs. After issuance of the 355,806 shares during July 2024, $513 remained registered under the ATM Agreement. On August 2, 2024, the Company increased the maximum aggregate offering amount of Common Stock issuable under the ATM Agreement by $505,000, from $1,157,761 to $1,662,761. During September 2024, the Company issued 194,218 shares of Common Stock under the ATM Agreement resulting in additional gross proceeds of $504,894 before deducting issuance costs. During the quarter ended September 30, 2024, the Company issued a total of 550,024 shares from its ATM resulting in net proceeds of $1.5 million after deducting issuer costs and other expenses related to setting up and issuing shares from the Company’s ATM. As of September 30, 2024, the Company does not have any remaining capacity under its ATM Agreement.

On May 21, 2024, the Company closed on inducement agreements (the “May 2024 Inducement”) with certain holders (the “Holders”) of certain of the Company’s existing warrants to purchase up to an aggregate of 516,336 shares of the Company’s Common Stock, issued to the Holders on (i) May 26, 2023 (the “May 2023 Warrants”), having an exercise price of $32.40 per share, and (ii) November 2023 New Warrants (as defined below), which were issued in two separate series, each having an exercise price of $9.7665 per share (together with the May 2023 Warrants, the “May 2024 Existing Warrants”). Pursuant to the May 2024 Inducement, the Holders agreed to exercise for cash their May 2024 Existing Warrants at a reduced exercise price of $5.16 per share in consideration for the Company’s agreement to issue in a private placement (i) new Series A Common Stock purchase warrants (the “New May 2024 Series A Warrants”) to purchase up to 601,174 shares of Common Stock, and (ii) new Series B Common Stock purchase warrants (the “New May 2024 Series B Warrants” and together with the New May 2024 Series A Warrants, the “New May 2024 Warrants”) to purchase up to 431,498 shares of Common Stock. The Company received net proceeds of approximately $2.3 million from the exercise of the May 2024 Existing Warrants by the Holders, after deducting placement agent fees and other offering expenses payable by the Company.

Related to the May 2024 Inducement, during July 2024, the balance of 267,000 of abeyance shares related to the May 2024 Warrant Inducement were released to the investor. Accordingly, shares outstanding increased by 267,000 during the third quarter of 2024 related to the issuance of the 267,000 abeyance shares from the May 2024 Warrant Inducement, leaving no further abeyance shares outstanding as of September 30, 2024.

On November 20, 2023, the Company closed on an inducement agreement (the “November 2023 Inducement”) with a holder (the “Holder”) of certain of its existing warrants to purchase up to 231,473 shares of the Company’s Common Stock, issued to the Holder on (i) April 25, 2022 (as amended on March 20, 2023, the “April 2022 Warrants”) and (ii) March 20, 2023 (the “March 2023 Warrants” together with the April 2022 Warrants, the “November 2023 Existing Warrants”). The November 2023 Existing Warrants had an exercise price of $42.30. Pursuant to the November 2023 Inducement, the Holder agreed to exercise for cash its November 2023 Existing Warrants at a reduced exercise price of $9.7665 per share in consideration for the Company’s agreement to issue in a private placement (i) new series A Common Stock purchase warrants (the “November 2023 Series A Common Warrants”) to purchase 247,196 shares of Common Stock and (ii) new series B Common Stock purchase warrants (the “November 2023 Series B Common Warrants” and together with the November 2023 Series A Common Warrants, the “November 2023 New Warrants”) to purchase 215,749 shares of Common Stock. The November 2023 New Warrants were exercisable subject to stockholder approval, which the Company received at a stockholder meeting on January 12, 2024. The Company received net cash proceeds of approximately $2.0 million from the November 2023 Inducement after deducting underwriters’ discounts and offering expenses of approximately $0.3 million.

Related to the November 2023 Inducement, as of December 31, 2023, the Holder left 182,000 shares in abeyance at the Company’s transfer agent to be delivered to the Holder at their request, which were then delivered to the Holder on January 8, 2024. Accordingly, as of December 31, 2023, 182,000 shares were held in abeyance, which were not issued and not outstanding. Since all the abeyance shares from the November 2023 Inducement were pulled by the Holder in January 2024, there were no remaining November 2023 Inducement shares held in abeyance as of September 30, 2024.

On May 26, 2023, the Company closed a private placement (the “May 2023 PIPE”) priced at the market under Nasdaq rules, in which it sold 30,570 shares of its Common Stock together with 22,821 pre-funded warrants to purchase up to an aggregate of 53,391 shares of Common Stock with an exercise price of $0.0001 per share (the “May 2023 Pre-Funded Warrants”), and 53,391 warrants to purchase up to an aggregate of 53,391 shares of Common Stock with an exercise price of $32.40 per share (the “May 2023 PIPE Common Warrants”) at a combined offering price of $34.275. The May 2023 PIPE Common Warrants were set to expire on November 27, 2028. The Company received net cash proceeds of approximately $1.5 million from the May 2023 PIPE after deducting underwriters’ discounts and offering expenses of approximately $0.3 million. The May 2023 Pre-Funded Warrants were exercised fully during the second quarter of 2023. The May 2023 PIPE Common Warrants were exercised as part of the May 2024 Inducement.

On March 20, 2023, the Company closed a public offering (the “March 2023 Offering”) priced at the market under Nasdaq rules, in which it sold an aggregate of (i) 5,666 shares of Common Stock, (ii) pre-funded warrants (the “March 2023 Pre-Funded Warrants”) to purchase up to an aggregate of 102,208 shares of Common Stock with an exercise price of $0.0001 per share, (iii) Series A warrants (the “March 2023 Series A Common Warrants”) to purchase up to an aggregate of 107,874 shares of Common Stock, and (iv) Series B warrants (the “March 2023 Series B Common Warrants” and collectively with the March 2023 Series A Common Warrants, the “March 2023 Offering Warrants”) to purchase up to an aggregate of 107,874 shares of Common Stock. The March 2023 Offering Warrants had an exercise price of $42.30 per share. The Company received net cash proceeds of approximately $4.2 million after deducting the underwriter’s discounts and offering expenses of approximately $0.8 million. The March 2023 Pre-Funded Warrants were fully exercised during the first quarter of 2023, and the March 2023 Offering Warrants were exercised as part of the November 2023 Inducement.

Preferred Stock

While the Company has 10,000,000 shares of preferred stock authorized with a par value of $0.0001, no shares of preferred stock are outstanding as of September 30, 2024, or December 31, 2023, respectively.

Warrants

Summary of Warrants Outstanding

The table below lists outstanding warrants for the dates presented, excluding 1,745,000 pre-funded warrants with an exercise price of $0.001. The warrants outstanding as of September 30, 2024, are exercisable into 5,068,723 shares of Common Stock which had a fair value of $1.64 per share, based on the closing trading price on September 30, 2024, the last trading day prior to September 30, 2024. The aggregate intrinsic value of warrants outstanding as of September 30, 2024, is calculated as the difference between the exercise price of the warrants and the closing market price of the Company’s Common Stock on that date. The intrinsic value of warrants outstanding as of September 30, 2024, was $0.2 million.

Warrant Inducements

In May 2024, the Company completed the May 2024 Inducement with the Holders who agreed to exercise 516,336 warrants to purchase Common Stock at a reduced exercise price of $5.16 per share in exchange for 601,174 New May 2024 Series A Warrants and 431,498 New May 2024 Series B Warrants with an exercise price of $4.91 per share. The May 2024 Inducement, which resulted in the lowering of the exercise price of the May 2024 Existing Warrants and the issuance of the May 2024 New Warrants, is considered a modification of the May 2024 Existing Warrants under the guidance ASC 815-40. The modification is consistent with the equity issuance classification under that guidance as the reason for the modification was to induce the holders of the May 2024 Existing Warrants to cash exercise their warrants, which raised equity capital and generated net proceeds of approximately $2.3 million. As the May 2024 Existing Warrants and the May 2024 New Warrants were classified as equity instruments before and after the exchange, and as the exchange is directly attributable to an equity offering, the Company recognized the effect of the modification of approximately $1.5 million as an equity issuance cost.

In November 2023, the Company completed the November 2023 Inducement, in which a Holder agreed to exercise 231,472 common warrants to purchase Common Stock at a reduced exercise price of $5.16 per share in exchange for 247,196 November 2023 Series A Warrants and 215,749 November 2023 Series B Warrants with an exercise price of $9.7655 per share. The November 2023 New Warrants were exercisable subject to stockholder approval, which the Company received at a stockholder meeting on January 12, 2024. The November 2023 Inducement, which resulted in the lowering of the exercise price of the November 2023 Existing Warrants and the issuance of the November 2023 New Warrants, is considered a modification of the November 2023 Existing Warrants under the guidance of ASC 815-40. The modification is consistent with the equity issuance classification under that guidance as the reason for the modification was to induce the holder of the November 2023 Existing Warrants to cash exercise their warrants, which raised equity capital and generated net proceeds for the Company of approximately $2.0 million. As the November 2023 Existing Warrants and the November 2023 New Warrants were classified as equity instruments before and after the exchange, and as the exchange is directly attributable to an equity offering, the Company recognized the effect of the modification of approximately $3.0 million as an equity issuance cost.

Warrant Modification

In connection with the March 2023 Offering, the Company agreed to amend the terms of the April 2022 PIPE Common Warrants, which were held by the purchaser in the March 2023 Offering. The exercise price of the April 2022 PIPE Common Warrants was reduced from $318.00 to $42.30 per share upon closing of the March 2023 Offering. The original expiration date of the April 2022 PIPE Common Warrants was May 12, 2027, which was extended to five years after the closing of the March 2023 Offering, or March 20, 2028. The modification of the April 2022 PIPE Common Warrants was accounted for as a modification of equity-linked instruments. In accordance with ASU 2021-04, as the warrants were classified as equity instruments before and after the modification, and as the modification was directly attributable to an equity offering, the Company recognized the effect of the modification of approximately $0.1 million as an equity issuance cost. The April 2022 PIPE Warrants were exercised as part of the November 2023 Inducement.