Stockholders' Equity and Derivative Liability - Warrants | 6. Stockholders’ Equity and Derivative Liability — Warrants Preferred stock, Common Stock and Warrant Offering During the period from August 5, 2016 to September 30, 2018, certain holders of the Company’s Series A Convertible Preferred Stock elected to convert approximately 1.2 million shares of Series A Convertible Preferred stock into approximately 3.0 million shares of the Company’s common stock. Series E Convertible Preferred Stock Issuance On June 18, 2019, the Company filed a Certificate of Designation of Preferences, Rights and Limitations of Series E Convertible Preferred Stock (the "Certificate of Designation") with the Delaware Secretary of State creating a new series of authorized preferred stock, par value $0.0001 per share, designated as the "Series E Convertible Preferred Stock" (the "Series E Preferred Stock"). The number of shares initially constituting the Series E Preferred Stock was set at 10,570 shares. On June 18, 2019 the Company announced the pricing of a public offering with total gross proceeds of $15.6 million before deducting placement agent fees and other offering expenses payable by the Company (the "Offering") of approximately $1.6 million inclusive of $0.3 million placement agent warrants. The gross proceeds of $15.6 million comprised of proceeds from issuance of common stock of $5 million and Series E preferred stock of $10.6 million. The Company incurred total offering cost of $1.4 million, excluding $0.3 million of the placement agent warrants, of which $0.4 million was allocated to the common stock issuance, $0.5 million allocated to the issuance of Series E preferred stock and $0.5 million allocated to the common stock warrants. The Offering closed on June 20, 2019. The securities offered by the Company consisted of (i) Class A Units each consisting of one share of Common Stock and one Warrant to purchase one share of Common Stock at a combined price of $6.00 per Class A Unit, and (ii) Class B Units each consisting of one share of Series E Preferred Stock, with a stated value of $1,000 per share, and convertible into approximately 167 shares of Common Stock per share of Series E Preferred Stock, and Warrants to purchase 167 shares of Common Stock, at a combined price of $1,000 per Class B Unit. The aggregate number of shares of Common Stock to be issued pursuant to the Class A Units and issuable upon conversion of all the Series E Preferred Stock is 2,600,000. The aggregate number of Warrants issued in the offering was 2,600,000. The Warrants have an exercise price of $6.00, are exercisable upon issuance and expire five years from the date of issuance. The Company determined that the Series E Convertible Preferred stock should not be classified as temporary equity due to the lack of senior liquidation preferences and is not redeemable on a fixed or determinable date. Conversion . Each share of Series E Preferred is convertible by the holder at any time, into the number of shares of our common stock determined by dividing the $1,000 stated value per share of the Series E Preferred by $6.00 per share. In addition, the conversion price per share is subject to adjustment for stock dividends, distributions, subdivisions, combinations or reclassifications. Subject to limited exceptions, a holder of the Series E Preferred will not have the right to convert any portion of the Series E Preferred to the extent that, after giving effect to the conversion, the holder, together with the Company's affiliates, would beneficially own in excess of 4.99% (or, at the election of the purchaser prior to the date of issuance, 9.99)% of the number of shares of our common stock outstanding immediately after giving effect to conversion. Fundamental Transactions . In the event the Company effect certain mergers, consolidations, sales of substantially all of our assets, tender or exchange offers, reclassifications or share exchanges in which our common stock is effectively converted into or exchanged for other securities, cash or property, the Company consummate a business combination in which another person acquires 50% of the outstanding shares of our common stock, or any person or group becomes the beneficial owner of 50% of the aggregate ordinary voting power represented by the Company's issued and outstanding common stock, then, upon any subsequent conversion of the Series E Preferred, the holders of the Series E Preferred will have the right to receive any shares of the acquiring corporation or other consideration it would have been entitled to receive if it had been a holder of the number of shares of common stock then issuable upon conversion in full of the Series E Preferred. Dividends . Holders of Series E Preferred shall be entitled to receive dividends (on an as-if-converted-to-common-stock basis) in the same form as dividends actually paid on shares of the common stock when, as and if such dividends are paid on shares of common stock. Voting . Except as otherwise provided in the certificate of designation or as otherwise required by law, the Series E Preferred has no voting rights. Liquidation Preference. Upon our liquidation, dissolution or winding-up, whether voluntary or involuntary, holders of Series E Preferred will be entitled to receive out of our assets, whether capital or surplus, the same amount that a holder of common stock would receive if the Series E Preferred were fully converted. Redemption Rights. The Company are not obligated to redeem or repurchase any shares of Series E Preferred. Shares of Series E Preferred are not otherwise entitled to any redemption rights, or mandatory sinking fund or analogous provisions. The gross proceeds of the offering were allocated to the Class A units based upon the $6.00 per Class A Unit value and the residual proceeds were allocated between the Series E and warrants based upon their respective relative fair values at that time. All offering costs were allocated between the Series E and the warrants. In addition, the placement agent received, as compensation for the transaction, registered equity warrants to purchase 117,000 shares of the Company's common stock priced at $7.50 per share. The fair value of the placement agent equity classified warrants was $0.2 million at the time of issuance. In connection with the issuance of the Series E and common stock warrants, the Company recognized the intrinsic value of a beneficial conversion feature of $0.6 million. The beneficial conversion amount was computed as the difference between the Series E effective conversion price and the fair value of the Company's common stock multiplied by that number of shares issuable upon conversion. As a result of the Company's issuance of convertible preferred shares that included a beneficial conversion feature, the Company may, upon conversion of the Series E, recognize any unamortized discount resulting from the initial allocation of proceeds issued to the common stock warrants. During the year ended December 31, 2019, the holders of Series E shares converted 10,570 shares of Series E into 1,761,667 shares of common stock. As a result of the conversion, the Company recognized a deemed dividend charged to additional paid in capital of $4.3 million associated with the difference between the stated and carrying per share values of the Series E, including a $0.7 million accretion related to issuance costs that had been allocated to the Series E which have been presented as a component of the net loss attributable to common stockholders in the Company's consolidated statement of operations. Beneficial Conversion Feature-Series E Convertible Preferred Stock Each share of Series E is convertible into shares of common stock, at any time at the option of the holder at a conversion price of $6.00 per share. Based on the guidance in ASC 470-20-20, the Company determined that a beneficial conversion feature exists, as the effective conversion price for the Series E preferred shares at issuance was less than the fair value of the common stock into which the preferred shares are convertible. A beneficial conversion feature based on the intrinsic value of the date of issuances for the Series E was $0.6 million and the preferred stock was discounted by this amount. The beneficial conversion amount of $0.6 million was then accreted back to the preferred stock as a dividend charged to additional paid in capital as the preferred stock was 100% convertible immediately. The $0.6 million accretion was recorded as a dividend reflected in additional paid in capital and also presented as a component of net loss attributable to common stockholders in the Company's consolidated statement of operations for the year ended December 31, 2019. Series D Convertible Preferred Stock Issuance On April 26, 2019, the Company filed a Certificate of Designation of Preferences, Rights and Limitations of Series D Convertible Preferred Stock (the “Certificate of Designation”) with the Delaware Secretary of State creating a new series of the Company’s authorized preferred stock, par value $0.0001 per share, designated as the “Series D Convertible Preferred Stock” (the “Series D Preferred Stock”). The number of shares initially constituting the Series D Preferred Stock was set at 521 shares. On April 25, 2019, the Company announced the pricing of a public offering with total gross proceeds of $2,140,000 before deducting placement agent fees and other offering expenses payable by the Company (the “Offering”) which approximated $0.5 million inclusive of $0.1 million placement agent warrants. The gross proceeds of $2.1 million comprised of proceeds from issuance of common stock of $1.6 million and Series D preferred stock of $0.5 million. The Company incurred total offering cost of $0.4 million, excluding $0.1 million of placement agent warrants, of which $0.3 million was allocated to the common stock issuance and $0.1 million was allocated to the issuance of Series D preferred stock. The Offering closed on April 29, 2019. The securities offered by the Company consisted of (i) Class A Units each consisting of one share of Common Stock and one Warrant to purchase one share of Common Stock at a combined price of $8.40 per Class A Unit, and (ii) Class B Units each consisting of one share of Series D Preferred Stock, with a stated value of $1,000 per share, and convertible into approximately 119 shares of Common Stock per share of Series D Preferred Stock, and Warrants to purchase 119 shares of Common Stock, at a combined price of $1,000 per Class B Unit. The aggregate number of shares of Common Stock to be issued pursuant to the Class A Units and issuable upon conversion of all the Series D Preferred Stock is 254,762. The aggregate number of Warrants issued in the offering was 254,762. The Warrants have an exercise price of $8.40, are exercisable upon issuance and expire five years from the date of issuance. Each share of Series D Preferred Stock is convertible at the option of the holder at any time, into the number of shares of the Company’s common stock, par value $0.0001 per share (the “Common Stock”) determined by dividing the $1,000 stated value per share of the Series D Preferred Stock by a conversion price of $8.40 per share. In addition, the conversion price per share is subject to adjustment for stock dividends, distributions, subdivisions, combinations or reclassifications. Subject to limited exceptions, a holder of the Series D Preferred Stock will not have the right to convert any portion of the Series D Preferred Stock to the extent that, after giving effect to the conversion, the holder, together with the Company’s affiliates, would beneficially own in excess of 4.99% of the number of shares of the Company’s Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock upon conversion of the holder’s shares of Series D Preferred Stock. The holder upon notice to the Company, may increase or decrease the beneficial ownership limitation applicable to shares of Series D Preferred Stock, provided that in no event shall the limitation exceed 9.99% of the number of shares of our Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock upon conversion of the holder’s shares of Series D Preferred Stock. The Company determined that the Series D Convertible Preferred stock should not be classified as temporary equity due to the lack of senior liquidation preferences and is not redeemable on a fixed or determinable date. Conversion . Each share of Series D Preferred is convertible by the holder at any time, into the number of shares of our common stock determined by dividing the $1,000 stated value per share of the Series D Preferred by a conversion price of $8.40 per share. In addition, the conversion price per share is subject to adjustment for stock dividends, distributions, subdivisions, combinations or reclassifications. Subject to limited exceptions, a holder of the Series D Preferred will not have the right to convert any portion of the Series D Preferred to the extent that, after giving effect to the conversion, the holder, together with the Company’s affiliates, would beneficially own in excess of 9.99% of the number of shares of our common stock outstanding immediately after giving effect to conversion. Fundamental Transactions . In the event we effect certain mergers, consolidations, sales of substantially all of our assets, tender or exchange offers, reclassifications or share exchanges in which our common stock is effectively converted into or exchanged for other securities, cash or property, we consummate a business combination in which another person acquires 50% of the outstanding shares of our common stock, or any person or group becomes the beneficial owner of 50% of the aggregate ordinary voting power represented by our issued and outstanding common stock, then, upon any subsequent conversion of the Series D Preferred, the holders of the Series D Preferred will have the right to receive any shares of the acquiring corporation or other consideration it would have been entitled to receive if it had been a holder of the number of shares of common stock then issuable upon conversion in full of the Series D Preferred. Dividends . Holders of Series D Preferred shall be entitled to receive dividends (on an as-if-converted-to-common-stock basis) in the same form as dividends actually paid on shares of the common stock when, as and if such dividends are paid on shares of common stock. Voting . Except as otherwise provided in the certificate of designation or as otherwise required by law, the Series D Preferred has no voting rights. Liquidation Preference . Upon our liquidation, dissolution or winding-up, whether voluntary or involuntary, holders of Series D Preferred will be entitled to receive out of our assets, whether capital or surplus, the same amount that a holder of common stock would receive if the Series D Preferred were fully converted. Redemption Rights . The Company are not obligated to redeem or repurchase any shares of Series D Preferred. Shares of Series D Preferred are not otherwise entitled to any redemption rights, or mandatory sinking fund or analogous provisions. Common Stock Warrant Pricing Adjustments . The Common Stock Warrants issued to the investors of the common stock included certain provisions that allow for subsequent adjustments to the exercise price upon the issuance of subsequent financial instrument issuances. The Company evaluated these provisions in consideration of the guidance in ASU 2017-11, Accounting for Financial Instruments with Down Round Features , and concluded that equity classification of the common stock warrants was not precluded as the common stock warrant exercise price could only adjust based upon issuances of future financial instruments. The gross proceeds of the offering were allocated to the Class A units based upon the $8.40 per Class A Unit value and the residual proceeds were allocated between the Series D and warrants based upon their respective relative fair values at that time. All offering costs were allocated between the Series D and the warrants. In addition, the placement agent received, as compensation for the transaction, unregistered equity warrants to purchase 10,196 shares of the Company’s common stock priced at $8.40 per share prior to any pricing adjustment or $6.00 per share subsequent to the common stock warrant pricing adjustment triggered by the Series E Convertible Preferred stock and accompanying warrants issuance. The impact of the down round adjustment was not material. The fair value of the placement agent equity classified warrants was $0.1 million at the time of issuance. In connection with the issuance of the Series D and common stock warrants, the Company recognized the intrinsic value of a beneficial conversion feature of $0.1 million. The beneficial conversion amount was computed as the difference between the Series D effective conversion price and the fair value of the Company’s common stock multiplied by that number of shares issuable upon conversion. As a result of the Company’s issuance of convertible preferred shares that included a beneficial conversion feature, the Company may, upon conversion of the Series D, recognize any unamortized discount resulting from the initial allocation of proceeds issued to the common stock warrants. During the year ended December 31, 2019, the holders of Series D shares converted 521 shares of Series D into 62,064 shares of common stock. As a result of the conversion, the Company recognized a deemed dividend charged to additional paid in capital of $0.3 million associated with the difference between the stated and carrying per share values of the Series D, including a $0.1 million accretion related to issuance costs that had been allocated to the Series D which have been presented as a component of net loss attributable to common stockholders in the Company’s consolidated statement of operations. Beneficial Conversion Feature-Series D Convertible Preferred Stock Each share of Series D is convertible into shares of common stock, at any time at the option of the holder at a conversion price of $8.40 per share. Based on the guidance in ASC 470-20-20, the Company determined that a beneficial conversion feature exists, as the effective conversion price for the Series D preferred shares at issuance was less than the fair value of the common stock into which the preferred shares are convertible. A beneficial conversion feature based on the intrinsic value of the date of issuances for the Series D was $0.1 million and the preferred stock was discounted by this amount. The beneficial conversion amount of $0.1 million was then accreted back to the preferred stock as a dividend charged to additional paid in capital as the preferred stock was 100% convertible immediately. The $0.1 million accretion was recorded as a dividend reflected in additional paid in capital and also presented as a component of net loss attributable to common stockholders in the Company’s consolidated statement of operations for the year ended December 31, 2019. Series C Convertible Preferred Stock Issuance On July 3, 2018, the Company completed a rights offering pursuant to the Company's effective registration statement on Form S-1. The Company offered for sale units in the rights offering and each unit sold in connection with the rights offering consists of 1 share of the Company’s Series C Convertible Preferred Stock, or Series C, and 8 common stock warrants (the “Rights Offering”). Upon completion of the offering, pursuant to the rights offering, the Company sold an aggregate of 10,826 units at an offering price of $1,000 per unit comprised of 10,826 shares of Series C and 88,928 common stock warrants. The Company received net proceeds of $9.9 million, after deducting expenses relating to the Rights Offering, including dealer-manager fees and offering expenses, totaling approximately $0.9 million, and excluding any proceeds received upon exercise of any warrants. The common stock warrants are exercisable at $108.50 per share and subject to adjustments upon the occurrence of certain dilutive events. The warrants expire on the fifth anniversary from their original issuance date. The Company may redeem the warrants for $0.70 per warrant if the Company’s common stock closes above $434.00 per share for ten consecutive trading days provided that the Company may not do so prior to the first anniversary of the closing of the unit offering. The warrants were sold under a written public offering. If a warrant is exercised during a period where a registration statement is not declared effective, the Company cannot assert that settlement in unregistered shares is permitted. As a result, the warrants are liability classified and carried at their estimated fair value at each reporting until they are exercised, terminated or otherwise settled. The Company determined that the Series C should not be classified as temporary equity due to its lack of senior liquidation preferences and is not redeemable on a fixed or determinable date. The rights and preferences of the Series C are as follows: Dividends. Holders of Series C shares are entitled to dividends, if and when declared on shares of common stock, on an “as-converted” basis. Voting . Subject to certain preferred stock class votes specified in the certificate of designation, the holders of Series C shares shall have no voting rights. Liquidation. Upon any voluntary or involuntary liquidation, dissolution or winding-up of the Company, holder of Series C shares shall be entitled to receive the same consideration as the holders of the Company’s common stock on an “as converted” basis. Conversion. Each share of Series C is convertible into common stock at any time at the option of the holder thereof at the conversion price then in effect. The conversion price for the Series C is determined by dividing the stated value of $1,000 per share by $108.50 per share (subject to adjustments upon the occurrence of certain dilutive events). At any time after the first anniversary of the original issuance date, the Company may, subject to certain conditions, require the conversion of Series C shares. The gross proceeds of the offering were first allocated to the warrants based on the fair value of the warrants at that time, with the residual proceeds allocated to the Series C. All offering costs were allocated between the Series C and the warrants. In addition, the placement agent received, as compensation for the transaction, unregistered equity warrants to purchase 3,991 shares of the Company’s common stock priced at $119.70 per share. The fair value of the placement agent equity classified warrants was $0.2 million at the time of issuance and $0.1 million was allocated to the Series C and $0.1 million was allocated to the liability classified common stock warrants. All costs allocated to the liability classified warrants were expensed immediately and as a component of general and administrative expenses within the Company’s consolidated statement of operations. In connection with the issuance of the Series C and liability classified warrants, the Company recognized the intrinsic value of a beneficial conversion feature of $3.8 million. The beneficial conversion amount was computed as the difference between the Series C effective conversion price and the fair value of the Company’s common stock multiplied by that number of shares issuable upon conversion. As a result of the Company’s issuance of convertible preferred shares that included a beneficial conversion feature, the Company may, upon conversion of the Series C, recognize any unamortized discount resulting from the initial allocation of proceeds issued to the liability classified warrants. During the year ended December 31, 2019, the holders of Series C shares converted 147 shares of Series C into 1,353 shares of common stock. As a result of the conversion, the Company recognized a preferred stock discount amortization to additional paid in capital of $77,721 as deemed dividends. During the year ended December 31, 2018, the holders of Series C shares converted 8,852 shares of Series C into 81,585 shares of common stock. As a result of the conversion, the Company recognized a deemed dividend charged to additional paid in capital of $4.7 million associated with the difference between the stated and carrying per share values of the Series C , including a $0.5 million accretion related to issuance costs that had been allocated to the Series C which have been presented as a component of net loss attributable to common stockholders in the Company’s consolidated statement of operations. Beneficial Conversion Feature- Series C Convertible Preferred Stock Each share of Series C is convertible into shares of common stock, at any time at the option of the holder at a conversion price of $108.50 per share. Based on the guidance in ASC 470-20-20, the Company determined that a beneficial conversion feature exists, as the effective conversion price for the Series C preferred shares at issuance was less than the fair value of the common stock into which the preferred shares are convertible. A beneficial conversion feature based on the intrinsic value of the date of issuances for the Series C was $3.8 million and the preferred stock was discounted by this amount. The beneficial conversion amount of $3.8 million was then accreted back to the preferred stock as a dividend charged to additional paid in capital as the preferred stock was 100% convertible immediately. The $3.8 million accretion was recorded as a dividend reflected in additional paid in capital and presented as a component of net loss attributable to common stockholders in the Company's consolidated statement of operations for the year ended December 31, 2018. Controlled Equity Offering Sales Agreement On March 9, 2015, the Company entered into a Controlled Equity Offering Sales Agreement (the “Agreement”), with Cantor Fitzgerald & Co., as sales agent (“Cantor”), pursuant to which the Company may offer and sell, from time to time, through Cantor shares of the Company’s common stock, par value $0.0001 per share (the “Shares”), up to an aggregate offering price of $50.0 million. The Company intends to use the net proceeds from these sales to fund research and development activities and for working capital and other general corporate purposes, and possible acquisitions of other companies, products or technologies, though no such acquisitions are currently contemplated. Under the Agreement, Cantor may sell the Shares by methods deemed to be an “at-the-market” offering as defined in Rule 415 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), including sales made directly on the Nasdaq Capital Market, on any other existing trading market for the Shares or to or through a market maker. In addition, under the Agreement, Cantor may sell the Shares by any other method permitted by law, including in privately negotiated transactions. Subject to the terms and conditions of the Agreement, Cantor will use commercially reasonable efforts, consistent with its normal trading and sales practices and applicable state and federal law, rules and regulations and the rules of The Nasdaq Capital Market, to sell the Shares from time to time, based upon the Company’s instructions (including any price, time or size limits or other customary parameters or conditions we may impose). The Company is not obligated to make any sales of the Shares under the Agreement. The offering of Shares pursuant to the Agreement will terminate upon the earlier of (1) the sale of all of the Shares subject to the Agreement or (2) the termination of the Agreement by Cantor or the Company. Hepion will pay Cantor a commission of up to 3.0% of the gross sales price per share sold and has agreed to provide Cantor with customary indemnification and contribution rights. For the year ended December 31, 2018, we sold 10,947 shares of our common stock resulting in net proceeds of approximately $1.6 million, under the Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co., as sales agent. We did not sell any shares of our common stock under this agreement during 2019. Common Stock and Warrant Offering On October 7, 2015, the Company entered into an underwriting agreement related to the public offering and sale of 8,929 shares of common stock and warrants to purchase up to 5,357 shares of common stock, at a fixed combined price to the public of $1,680 under the Company’s prior shelf registration statement on Form S-3. The shares of common stock and warrants were issued separately on October 13, 2015. The warrants are immediately exercisable and will be exercisable for a period of five years from the date of issuance at an exercise price of $2,380.00 per share. There is not, nor is there expected to be, any trading market for the warrants issued in the offering contemplated by the Underwriting Agreement. The gross proceeds to the Company were $15.0 million, before deducting the underwriting discount and other offering expenses payable by the Company of approximately $1.5 million. If the warrants were exercised in full, Hepion would receive additional proceeds of approximately $12.8 million. If the Company consummates any merger, consolidation, sale or other reorganization event in which the Company’s common stock is converted into or exchanged for securities, cash or other property (“Fundamental transaction”), then the Company shall pay at the holder’s option, exercisable at any time commencing on the occurrence or the consummation of the fundamental transaction and continuing for 90 days, an amount of cash equal to the value of the remaining unexercised portion of the warrant as determined in accordance with the Black-Scholes option pricing model on the date of such fundamental transaction. As a result of these terms, in accordance with the guidance contained in ASC Topic 815-40, the Company has determined that the warrants issued in connection with this financing transaction must be recorded as derivative liabilities upon issuance and marked to market on a quarterly basis in the Company’s statements of operations. Upon the issuance of these warrants, the fair value of approximately $4.4 million was recorded as derivative financial instruments liability-warrants. The fair value of these liability classified warrants was estimated using the Black-Scholes option pricing model. The Company develops its own assumptions for use in the Black-Scholes option pricing model that do not have observable inputs or available market data to support the fair value. This method of valuation involves using inputs such as the fair value of the Company’s common stock, stock price volatility of comparable companies, the contractual term of the warrants, risk free interest rates and dividend yields. The Company has a limited trading history in its common stock, therefore, expected volatility is based on that of comparable public development stage biotechnology companies. Due to the nature of these inputs, the valuation of the warrants is considered a Level 3 measurement. The following assumptions were used to measure the warrants at issuance and to remeasure the liability as of December 31, 2019 and 2018: December 31, 2019 December 31, 2018 Price of Hepion common stock $ 5.36 $ 19.74 Expected warrant term (years) 0.78 years 1.78 years Risk-free interest rate 1.66 % 2.48 % Expected volatility 72 % 74 % Dividend yield — — On April 4, 2016, the Company closed a public offering of 8,803 shares of its common stock and warrants to purchase up to 4,401 shares of common stock, at a fixed combined price to the public of $795.20 under the Company’s prior shelf registration statement on Form S-3. The warrants are immediately exercisable and will be exercisable for a period of five years from the date of issuance at an exercise price of $952.00 per share. The gross proceeds to the Company were $7.0 million, before deducting the underwriting discount and other offering expenses payable by the Company of approximately $0.7 million. If the warrants were exercised in full, Hepion would receive additional proceeds of approximately $4.2 million. If the Company consummates any merger, consolidation, sale or other reorganization event in which its common stock is converted into or exchanged for securities, cash or other property (“Fundamental transaction”), then the Company shall pay at the holder’s option, exercisable at any time commencing on the occurrence or the consummation |