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Stockholders Equity | 9 Months Ended
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Sep. 30, 2024
Stockholders Equity |
Stockholders Equity | 10. Stockholders Equity April 2024 Securities Purchase Agreement On April 30, 2024, the Company entered into a securities purchase agreement (the “Purchase Agreement”) with an institutional investor (the “Purchaser”) for the issuance and sale in a private placement (the “Private Placement”) of (i) 145,000 shares of the Company’s common stock, (ii) pre-funded warrants to purchase up to 4,823,945 shares of common stock (the “Pre-Funded Warrants”), (iii) series A warrants to purchase up to 4,968,945 shares of common stock (the “Series A Warrants”), and (iv) series B warrants to purchase up to 4,968,945 shares of common stock (the “Series B Warrants” and together with the Series A Warrants, the “Common Warrants”). The purchase price of each share of common stock and associated Common Warrants was $1.61 and the purchase price of each Pre-Funded Warrant and associated Common Warrants was $1.6099. The Common Warrants are exercisable immediately upon issuance at an exercise price of $1.36 per share. The Series A Warrants will expire five and one-half years from the date of issuance and the Series B Warrants will expire eighteen months from the date of issuance. The Pre-Funded Warrants are exercisable immediately upon issuance at an exercise price of $0.0001 per share and may be exercised at any time until the Pre-Funded Warrants are exercised in full. A holder of Pre-Funded Warrants or Common Warrants (together with its affiliates) may not exercise any portion of such warrants to the extent that the holder would own more than 4.99% (or, at the election of the holder 9.99%) of the Company’s outstanding common stock immediately after exercise. In connection with the Private Placement, the Company entered into a registration rights agreement (the “Registration Rights Agreement”), dated as of April 30, 2024, with the Purchaser, 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 securities issued in the Private Placement. The Private Placement closed on May 2, 2024. The gross proceeds to the Company from the Private Placement were approximately $8.0 million, before deducting placement agent fees and estimated offering expenses payable by the Company. H.C. Wainwright & Co., LLC (“Wainwright”) acted as the Company’s exclusive placement agent in connection with the Private Placement, pursuant to that certain engagement letter, dated as of April 29, 2024, between the Company and Wainwright (as amended, the “Engagement Letter”). Pursuant to the Engagement Letter, the Company paid Wainwright (i) a cash fee equal to 7.0% of the aggregate gross proceeds of the Private Placement and (ii) a management fee of 1.0% of the aggregate gross proceeds of the Private Placement. In addition, the Company agreed to pay Wainwright certain expenses and issued to Wainwright or its designees warrants (the “Placement Agent Warrants”) to purchase up to an aggregate of 298,137 shares of Common Stock at an exercise price equal to $2.0125 per share. The Placement Agent Warrants are exercisable immediately upon issuance and have a term of exercise equal to five and a half years from the date of issuance. In connection with this transaction, the Company was required to compensate Roth Capital Partners, LLC, pursuant to a tail provision contained in an engagement letter entered into on March 14, 2024, in an amount equal to 7.0% of the aggregate proceeds of the Private Placement plus the reimbursement of certain expenses. The Company was also required to compensate Ladenburg Thalmann & Co. Inc, pursuant to a tail provision contained in an engagement letter entered into on October 30, 2023, in an amount equal to 8.0% of the aggregate proceeds of the Private Placement. ​ Each of the instruments issued in the Private Placement have been classified and recorded as part of shareholders’ equity (deficit). The amounts allocated to each issued security were based on their relative fair values, resulting in initial carrying values of the respective instruments as follows: ​
​ |
​ | Allocated Amount
Common shares | $72,108
Prefunded warrants | 2,398,831
Common warrants | 3,819,274
Net proceeds | $6,290,213
​ ​ The aggregate fair value of the Placement Agent Warrants was $609,179. These have been accounted for as a direct cost of the Private Placement, resulting in no net effect to overall shareholders’ equity (deficit). ​ In determining the fair values of the Pre-Funded Warrants, Common Warrants, and Placement Agent Warrants, the Company used a Black-Scholes Option Pricing model with the following assumptions: ​
​ | Pre-Funded Warrants | Common Warrants | Placement Agent Warrants
Expected volatility | 100% | 103% - 121% | 103%
Contractual term | 1 year | 1½ - 5½ years | 5½ years
Risk-free interest rate | 5.51% | 4.57% - 5.51% | 4.57%
Expected dividend yield | 0% | 0% | 0%
​ ​ The fair value of the common shares was determined using the closing price of the Company’s common stock as of May 2, 2024, which is the date that the Private Placement closed. ​ ​ December 2023 Registered Direct Offering Securities Purchase Agreement On December 21, 2023, the Company entered into a securities purchase agreement (the “Securities Purchase Agreement”) with certain institutional investors (“Purchasers”). Pursuant to the Securities Purchase Agreement, the Company agreed to sell in a registered direct offering (“Registered Direct Offering”) 168,500 shares (“Shares”) of the Company’s common stock, $0.001 par value per share (“Common Stock”), and pre-funded warrants (“Pre-Funded Warrants”) to purchase up to 219,700 shares of Common Stock. The Pre-Funded Warrants have an exercise price of $0.001 per share and can be exercised at any time after their original issuance until such Pre-Funded Warrants are exercised in full. Each Share is being sold at an offering price of $3.315 and each Pre-Funded Warrant is being sold at an offering price of $3.314 (equal to the purchase price per Share minus the exercise price of the Pre-Funded Warrant). The Pre-Funded Warrants have been included in the calculation of basic and diluted loss per share for all periods outstanding. ​ Pursuant to the Securities Purchase Agreement, in a concurrent private placement (together with the Registered Direct Offering, the “Offerings”), the Company also agreed to issue to the Purchasers unregistered warrants (“Common Warrants”) to purchase up to 388,200 shares of Common Stock. Each Common Warrant has an exercise price of $3.19 per share, is exercisable immediately following their original issuance and will expire seven years from the original issuance date. The closing of the offering occurred on December 26, 2023, and the net proceeds to the Company were approximately $1.0 million, after deducting placement agent fees and other offering expenses payable by the Company. ​ On December 21, 2023, in a separate concurrent insider private placement (the “Insider Private Placement”), the Company also entered into a Securities Purchase Agreement with certain of its executive officers (the “Insider Securities Purchase Agreement”) pursuant to which the Company agreed to sell in a private placement (i) 6,070 shares of Common Stock and warrants to purchase 6,070 shares of Common Stock on the same terms as the Common Warrants issued to the Purchasers in the Offerings to Spiro Rombotis, the Company’s Chief Executive Officer, and (ii) 1,886 shares of Common Stock and warrants to purchase 1,886 shares of Common Stock on the same terms as the Common Warrants issued to the Purchasers in the Offerings to Paul McBarron, the Company’s Executive Vice President-Finance, Chief Financial Officer and Chief Operating Officer. Each such share of Common Stock and accompanying warrant was sold at a purchase price of $3.315, which was the same purchase price for the Shares sold in the Registered Direct Offering. ​ Ladenburg Thalmann & Co. Inc. (the “Placement Agent”) acted as the exclusive placement agent for the Offerings, pursuant to a placement agency agreement (the “Placement Agency Agreement”), dated December 21, 2023, by and between the Company and the Placement Agent. ​ Pursuant to the Placement Agency Agreement, the Company paid the Placement Agent a cash placement fee equal to 8.0% of the aggregate gross proceeds raised in the Offerings from sales arranged for by the Placement Agent. Subject to certain conditions, the Company also agreed to reimburse all reasonable travel and other out-of-pocket expenses of the Placement Agent in connection with the Offerings, including but not limited to legal fees, up to a maximum of $85,000. In addition, the Placement Agent also received warrants that have substantially the same terms as the Warrants issued in the concurrent private placement to the Purchasers in the Offerings to purchase that number of shares of Common Stock equal to 6.0% of the aggregate number of shares of Common Stock and Prefunded Warrants sold in the Offerings, or an aggregate of 23,769 shares of Common Stock, at an exercise price of $4.14375 per share (the “Placement Agent Warrants”). The Placement Agent Warrants will be exercisable immediately following the date of issuance and will expire five years from issuance. The Placement Agency Agreement contains customary representations, warranties and agreements by the Company and customary conditions to closing. The Company has agreed to indemnify the Placement Agent against certain liabilities, including liabilities under the Securities Act, and liabilities arising from breaches of representations and warranties contained in the Placement Agency Agreement, or to contribute to payments that the Placement Agent may be required to make in respect of those liabilities. ​ Each of the instruments issued in the Offerings and the Insider Private Placement have been classified and recorded as part of shareholders’ equity (deficit). The amounts allocated to each issued security were based on their relative fair values, resulting in initial carrying values of the respective instruments as follows: ​ ​ The aggregate fair value of the Placement Agent Warrants was $47,000. These have been accounted for as a direct cost of the Offerings and Inside Private Placement, resulting in no net effect to overall shareholders’ equity (deficit). ​ In determining the fair values of the Pre-Funded Warrants, Regular Warrants, and Placement Agent Warrants, the Company used a Black-Scholes Option Pricing model with the following assumptions: ​ ​ The fair value of the common shares was determined using the closing price of the Company’s common stock as of December 26, 2023, which is the date that the Offerings and the Insider Private Placement closed. August 2021 Controlled Equity Offering Sales Agreement On August 12, 2021, the Company entered into a Controlled Equity Offering Sales Agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co. ("Cantor"), pursuant to which the Company could issue and sell, from time to time, shares of its common stock having an aggregate offering price of up to $50.0 million through Cantor as the sales agent. Cantor could sell the Company’s common stock by any method permitted by law deemed to be an “at the market offering” as defined in Rule 415(a)(4) of the Securities Act. ​ On August 12, 2022, the Company became aware that the shelf registration statement on Form S-3 (file number 333-231923) (the “Registration Statement”) associated with this Sales Agreement had expired on June 21, 2022. Prior to becoming aware of the expiration, the Company sold an aggregate of 132,473 shares of its common stock at the market price, following the expiration of the Registration Statement and through August 12, 2022, for aggregate proceeds of approximately $2,721,187. There was no sale of shares post August 12, 2022. The sale of these shares was subject to potential rescission rights by certain shareholders. As a result of these potential rescission rights, the Company reclassified 207,807 shares (including 75,333 shares sold for which the Company did not receive any proceeds), with an aggregate purchase price of $4,494,496 of its common as stock outside stockholders’ equity (deficit) through the expiration date of those rescission rights in August 2023. These shares were treated as issued and outstanding for purposes of calculating basic and diluted loss per share in the three and nine months ended September 30, 2023. The rescission rights for these shares have lapsed and the shares were reclassified back to permanent equity. There have been no claims or demands to exercise such rights. ​ On August 15, 2022, due to expiry of the Registration Statement, the Sales Agreement was mutually terminated. A total of 218,738 shares, for gross proceeds of approximately $7.6 million, had been sold pursuant to the Sales Agreement. ​ Warrants April 2024 Warrants As of September 30, 2024, warrants to purchase a total of 14,718,027 shares of common stock issued pursuant to a securities purchase agreement in a April 2024 financing transaction (the “April 2024 Securities Purchase Agreement”) remained outstanding. A total of 15,059,972 warrants were issued in pursuant to the April 2024 Securities Purchase Agreement. This consisted of i) pre-funded warrants to purchase 4,823,945 of common stock, exercisable immediately from the date of issuance, and with no expiry date, at an exercise price of $0.0001 per warrant share, ii) series A warrants to purchase up to 4,968,945 shares of common stock, exercisable immediately from the date of issuance for a period of five and a half years after the date of issuance, at an exercise price of $1.36 per warrant share, iii) series B warrants to purchase up to 4,968,945 shares of common stock, exercisable immediately from the date of issuance for a period of eighteen months after the date of issuance, at an exercise price of $1.36 per warrant share. A further 298,137 warrants issued in a concurrent placement agency agreement, are exercisable immediately from the date of issuance for a period of five and a half years after the date of issuance, at an exercise price of $2.0125 per warrant share. A total of 688,945 pre-funded warrants were exercised during the nine months ended September 30, 2024. December 2023 Warrants As of September 30, 2024, warrants to purchase a total of 419,925 shares of common stock issued pursuant to a securities purchase agreement in a December 2023 financing transaction remained outstanding. A total of 396,156 warrants, including 7,956 warrants issued in a concurrent private placement, are exercisable immediately from the date of issuance for a period of seven years after the date of issuance, at an exercise price of $3.19 per warrant share. A further 23,769 warrants issued in a concurrent placement agency agreement, are exercisable immediately from the date of issuance for a period of five years after the date of issuance, at an exercise price of $4.14375 per warrant share. There were no exercises of these warrants during the nine months ended September 30, 2024. December 2020 Warrants As of September 30, 2024, warrants to purchase 44,657 shares of common stock issued pursuant to a securities purchase agreement in a December 2020 financing transaction remained outstanding (the “December 2020 Securities Purchase Agreement”). Each warrant shall be exercisable beginning on the 12-month anniversary of the date of issuance for a period of five years after the date of issuance, at an exercise price of $61.95 per warrant share. The exercise price of the warrants will be subject to adjustment in the event of any stock dividends and splits, reverse stock split, recapitalization, reorganization or similar transaction, as described in the warrants. The warrants may be exercised on a “cashless” basis. There were no exercises of these warrants during the nine months ended September 30, 2024 or September 30, 2023. April 2020 Warrants As of September 30, 2024, 146,000 warrants issued pursuant to a securities purchase agreement in connection with an April 2020 equity financing remained outstanding, each with an exercise price of $75.00. The common warrants are immediately exercisable and will expire on the fifth anniversary of the original issuance date. The exercise price and number of shares of common stock issuable upon exercise is subject to appropriate adjustment in the event of stock dividends, stock splits, reorganizations or similar events affecting the Company’s common stock. The common warrants were issued separately from the common stock and were eligible for transfer immediately after issuance. A common warrant to purchase one share of common stock was issued for every share of common stock purchased in this offering. The common warrants are exercisable, at the option of each holder, in whole or in part, by delivering to the Company a duly executed exercise notice accompanied by payment in full for the number of shares of the Company’s common stock purchased upon such exercise (except in the case of a cashless exercise). A holder (together with its affiliates) may not exercise any portion of the common warrant to the extent that the holder would own more than 4.99% of the outstanding common stock immediately after exercise, except that upon at least 61 days prior notice from the holder to the Company, the holder may increase the amount of ownership of outstanding stock after exercising the holder’s common warrants up to 9.99% of the number of shares of the Company’s common stock outstanding immediately after giving effect to the exercise, as such percentage ownership is determined in accordance with the terms of the common warrants. No fractional shares of common stock will be issued in connection with the exercise of a common warrant. In lieu of fractional shares, the Company will round down to the next whole share. There were no exercises of these warrants during the nine months ended September 30, 2024 or September 30, 2023. Series B Preferred Stock A total of 237,745 shares of the Company’s Series B Preferred Stock were issued pursuant to a December 2020 Securities Purchase Agreement. Each share of Series B Preferred Stock was initially convertible into one third (1/3) share of common stock (the “Conversion Shares”), subject to adjustment in accordance with the Certificate of Designation. Holders of Series B Preferred Stock are entitled to receive dividends on shares of Series B Preferred Stock equal, on an as-if-converted-to-common-stock basis, and in the same form as dividends actually paid on shares of the common stock. Except as otherwise required by law, the Series B Preferred Stock does not have voting rights. However, as long as any shares of Series B Preferred Stock are outstanding, the Company will not, without the affirmative vote of the holders of a majority of the then outstanding shares of the Series B Preferred Stock, (a) alter or change adversely the powers, preferences or rights given to the Series B Preferred Stock, (b) alter or amend the Certificate of Designation, (c) amend its certificate of incorporation or other charter documents in any manner that adversely affects any rights of the holders of Series B Preferred Stock, (d) increase the number of authorized shares of Series B Preferred Stock, (e) pay certain dividends or (f) enter into any agreement with respect to any of the foregoing. The Series B Preferred Stock does not have a preference upon any liquidation, dissolution or winding-up of the Company. The Purchaser may convert shares of Series B Preferred Stock through a conversion into shares of common stock if and solely to the extent that such conversion would not result in the Purchaser beneficially owning in excess of 9.99% of then-outstanding common stock or aggregate voting power of the Company (such limitation, the “Ownership Limitation”) and any portion in excess of such limitation will remain outstanding as Series B Preferred Stock. ​ During the year ended December 31, 2023, 118,745 shares of Series B Preferred Stock were converted, at the option of the holder, into 39,582 shares of common stock. During the nine months ended September 30, 2024, the remaining 119,000 shares of Series B Preferred Stock were converted, at the option of the holder, into 39,667 shares of common stock. Series A Preferred Stock A total of 8,872 shares of the Company’s Series A Preferred Stock were issued in a July 2017 Underwritten Public Offering. Each share of Series A Preferred Stock is convertible at any time at the option of the holder thereof, into a number of shares of common stock determined by dividing $1,000 by the initial conversion price of $600.00 per share, subject to a 4.99% blocker provision, or, upon election by a holder prior to the issuance of shares of Series A Preferred Stock, 9.99%, and is subject to adjustment for stock splits, stock dividends, distributions, subdivisions and combinations. As of September 30, 2024 and December 31, 2023, 264 shares of the Series A Preferred Stock remain issued and outstanding. The 264 shares of Series A Preferred Stock issued and outstanding at September 30, 2024, are convertible into 440 shares of common stock. In the event of a liquidation, the holders of shares of the Series A Preferred Stock may participate on an as-converted-to-common-stock basis in any distribution of assets of the Company. The Company shall not pay any dividends on shares of common stock (other than dividends in the form of common stock) unless and until such time as dividends on each share of Series A Preferred Stock are paid on an as-converted basis. There is no restriction on the Company’s ability to repurchase shares of Series A Preferred Stock while there is any arrearage in the payment of dividends on such shares, and there are no sinking fund provisions applicable to Series A Preferred Stock. Subject to certain conditions, at any time following the issuance of the Series A Preferred Stock, the Company has the right to cause each holder of the Series A Preferred Stock to convert all or part of such holder’s Series A Preferred Stock in the event that (i) the volume weighted average price of our common stock for 30 consecutive trading days, or Measurement Period exceeds 300% of the initial conversion price of the Series A Preferred Stock (subject to adjustment for forward and reverse stock splits, recapitalizations, stock dividends and similar transactions), (ii) the daily trading volume on each Trading Day during such Measurement Period exceeds $500,000 per trading day and (iii) the holder is not in possession of any information that constitutes or might constitute, material non-public information which was provided by the Company. The right to cause each holder of Series A Preferred Stock to convert all or part of such holder’s Series A Preferred Stock shall be exercised ratably among the holders of the then outstanding preferred stock. The Series A Preferred Stock has no maturity date, will carry the same dividend rights as the common stock, and with certain exceptions contains no voting rights. In the event of any liquidation or dissolution of the Company, the Series A Preferred Stock ranks senior to the common stock in the distribution of assets, to the extent legally available for distribution. 6% Convertible Exchangeable Preferred Stock As of September 30, 2024, there were 335,273 shares of the Company’s 6% Convertible Exchangeable Preferred Stock (the “6% Preferred Stock”) issued and outstanding at an issue price of $10.00 per share. Dividends on the 6% Preferred Stock are cumulative from the date of original issuance at the annual rate of 6% of the liquidation preference of the 6% Preferred Stock, payable quarterly on the first day of February, May, August and November, commencing February 1, 2005. Any dividends must be declared by the Company’s board of directors and must come from funds that are legally available for dividend payments. The 6% Preferred Stock has a liquidation preference of $10.00 per share, plus accrued and unpaid dividends. As of September 30, 2024, there were no accrued and unpaid dividends. The Company may automatically convert the 6% Preferred Stock into common stock if the per share closing price of the Company’s common stock has exceeded $888,300, which is 150% of the conversion price of the 6% Preferred Stock, for at least 20 trading days during any 30 day trading period, ending within five trading days prior to notice of automatic conversion. The 6% Preferred Stock has no maturity date and no voting rights prior to conversion into common stock, except under limited circumstances. The Company may, at its option, redeem the 6% Preferred Stock in whole or in part, out of funds legally available at the redemption price of $10.00 per share. The 6% Preferred Stock is exchangeable, in whole but not in part, at the option of the Company on any dividend payment date beginning on November 1, 2005 (the “Exchange Date”) for the Company’s 6% Convertible Subordinated Debentures (the “Debentures”) at the rate of $10.00 principal amount of Debentures for each share of 6% Preferred Stock. The Debentures, if issued, will mature 25 years after the Exchange Date and have substantially similar terms to those of the 6% Preferred Stock. No such exchanges have taken place to date.

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