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Warrants | 9 Months Ended
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Sep. 30, 2015
Equity [Abstract] |
Warrants | 11. Warrants Preferred Stock Warrants Issued with Notes Payable to Stockholders Pulmatrix Operating issued warrants to purchase preferred stock in connection with the issuance of Notes to stockholders (Note 8) on various dates in 2011 through 2014 (the “Preferred Stock Warrants”). The number and type of shares issuable upon exercise of the warrants was variable based on the following: (a) upon the completion of a qualified financing, the warrants would be exercisable into a number of qualified financing shares determined by multiplying 0.25 by the quotient obtained by dividing the original principal amount of the Notes by the issuance price in the qualified financing or, (b) upon the completion of an optional conversion of the Notes into shares of Series B Preferred stock by the Note holders, the warrants would be exercisable into a number of shares of Series B Preferred stock determined by multiplying 0.25 by the quotient obtained by dividing the original principal amount of the Notes by $0.50 (subject to any adjustments for any stock splits, combinations, reclassifications, and the like). If the Preferred Stock Warrants had become exercisable into a number of qualified financing shares, the exercise price per share would have been the per share issuance price of the qualified financing shares. If the Preferred Stock Warrants had become exercisable into shares of Series B Preferred stock, the exercise price would have been $0.50 per share. The Preferred Stock Warrants were exercisable at any time on or after the earlier of a qualified financing or an optional conversion of the Notes and expire 10 years from the date of issuance. As described more fully in Note 8, the Company entered into a Note Conversion and Warrant Termination Agreement with the holders of the outstanding Notes, under the terms of which all of the Company’s outstanding Preferred Stock Warrants were terminated on June 15, 2015, immediately prior to the Effective Time. As of September 30, 2015, there were no outstanding Preferred Stock Warrants. A rollforward of the Preferred Stock Warrants is as follows:
|  | Preferred Stock Warrants |  |  | Estimated Fair Value |
Balance — December 31, 2014 |  |  | 14,544,247 |  |  | $ | 1,309 |
Decrease in estimated fair value of warrants |  |  | — |  |  |  | (1,309 | )
Cancellation and gain (loss) on extinguishment |  |  | (14,544,247 | ) |  |  | — |
Balance — September 30, 2015 |  |  | — |  |  | $ | — |
For the three and nine months ended September 30, 2015, the Company recorded other income of $0 and $1,309, respectively, and for the three and nine months ended September 30, 2014, the Company recorded other expense of $(655) and other income of $620, respectively, in each case related to the change in the fair value of the warrants classified as liabilities. Common Stock Warrants Issued in Pulmatrix Operating Private Placement As described in Note 10, at September 30, 2015, the Company had outstanding warrants to purchase 3,190,030 shares of Company Common Stock at an exercise price of $7.563 per share. The warrants were issued on June 15, 2015 immediately prior to the Effective Time in connection with the Pulmatrix Operating Private Placement. Each warrant issued in the Pulmatrix Operating Private Placement has a five-year term and becomes exercisable at the earliest to occur of the date that (i) the Company enters into a strategic license agreement with a third party related to any of the Company’s products whereby the Company is guaranteed to receive consideration having a value of at least $20,000, (ii) the Company consummates a public or private offering of common stock or securities convertible into common stock that results in aggregate gross proceeds of at least $20,000 and the per share value of such consideration is equal to at least $10.00 per share, subject to certain adjustments, (iii) for a period of sixty consecutive trading days, the volume weighted average price per share of common stock exceeds $12.50, subject to certain adjustments, and the average daily trading volume on such trading market exceeds 40,000 shares per trading day, subject to certain adjustments, or (iv) a change of control transaction occurs. The number of shares of common stock underlying each warrant and the exercise price per share are subject to adjustment in the case of standard dilutive events. Each warrant provides that, following it initially becoming exercisable, if (i) the volume weighted average price of common stock exceeds one hundred fifty percent (150%) of the exercise price of the warrant for thirty (30) consecutive trading days, (ii) the daily trading volume for common stock exceeds 80,000 shares per trading day, subject to certain adjustments, for thirty (30) consecutive trading days and (iii) there is an effective registration statement under the Securities Act of 1933, as amended, covering the resale of the shares of common stock issuable upon the exercise of the warrant, then the Company shall cancel the unexercised portion of the warrant for consideration equal to $0.001 per share of common stock underlying the warrant. The proceeds from the issuance of the units were allocated between the Company Common Stock and the warrants based on their relative fair values. The value allocated to the warrants was classified within equity on Company’s condensed consolidated balance sheet. Warrants Assumed in Merger Between March 2014 and May 2014, in connection with its initial public offering (“IPO”), Ruthigen issued warrants to purchase an aggregate of 1,219,000 units (the “Series A Warrants”). The Series A Warrants were originally each exercisable at a price of $18.125 per warrant for (x) 0.4 shares of common stock and (y) a warrant (the “Series B Warrant”) to purchase 0.4 shares of common stock at an exercise price of $22.65625 per share. The Series A Warrants are exercisable from the date of issuance and terminate on the second anniversary of the date of issuance. The exercise price and the number of shares for which each Series A Warrant may be exercised is subject to adjustment in the event of stock dividends, stock splits, reorganizations or similar events affecting the Company’s common stock. In addition, subject to certain exceptions, the exercise price of each the Series A Warrants and the Series B Warrants is subject to a weighted average reduction if the Company issues shares of common stock (or securities convertible into common stock) in the future at a price below both (a) the current exercise price of the Series A Warrant; and (b) the current market price of the Company’s common stock. The Series A Warrants may be called by the Company, for consideration equal to $0.00025 per Series A Warrant, on not less than 10 business days’ notice if the closing price of the common stock is above 150% of the $18.125 IPO price per unit for any period of 20 consecutive business days ending not more than three business days prior to the call notice date. The Series B Warrants will be exercisable upon issuance and will terminate on the fifth anniversary of the date of issuance. The Company agrees that, during the period the Series A Warrants are outstanding, it will maintain the effectiveness of the registration statement such that the holder may exercise the Series A Warrants to receive registered shares of common stock and registered Series B Warrants (and the shares of common stock underlying the Series B Warrants). The Company determined that the Series A and Series B Warrants are equity instruments because the warrants are (a) freestanding financial instruments; (b) indexed to the Company’s own stock; (c) not permitted to be settled for cash; and (d) exercisable into common stock for which the Company has sufficient authorized and unissued shares. Immediately following the Merger, the Company issued 136,000 shares of its common stock to Ruthigen’s financial advisor and an aggregate of 379,387 shares in the Ruthigen Private Placement at a price of $6.875 per share. Pursuant to the weighted average exercise price reduction provisions of the Series A Warrants and the Series B Warrants, these issuances caused the exercise price per unit of the Series A Warrants and the exercise price per share of the Series B Warrants to drop to $17.83 and $22.28, respectively. Ruthigen issued to the representative of the underwriters in the IPO warrants to purchase 37,100 shares of the Company’s common stock at an exercise price of $22.65625 per share (the “Representative’s Warrants”). The Representative’s Warrants are exercisable commencing on March 21, 2015 and expire on March 21, 2019. Following the closing of the IPO and in connection with the IPO, the underwriters exercised a portion of the over-allotment option. In connection with the underwriters’ partial exercise of the over-allotment option, Ruthigen issued to the representative of the underwriters a five-year warrant to purchase an additional 2,160 shares of the Company’s common stock at an exercise price of $22.65625 per share (“Underwriter’s Warrant”). The Underwriter’s Warrant is exercisable commencing one year from the date of issuance. Common Stock Warrants Issued with Term Loan As described in Note 8, on June 11, 2015, Pulmatrix Operating entered into a LSA with Hercules for a Term Loan in the principal amount of $7,000. On June 16, 2015, in connection with the LSA, the Company granted to Hercules a warrant to purchase 25,150 shares of Company Common Stock (the “Hercules Warrants”) at an exercise price of $8.35 per share. The warrants are exercisable in whole or in part any time prior to the expiration date of June 16, 2020. In the event the warrants are not fully exercised and the fair market value of one share of Company Common Stock is greater than the exercise price of the warrant, upon the expiration date any outstanding warrants will be automatically exercised for shares of Company Common Stock on a net basis. A portion of the proceeds from the Term Loan were allocated to the warrants based on their grant date fair value. The value allocated to the warrants of $198 was classified within equity on Company’s condensed consolidated balance sheet, with a corresponding amount recorded as a discount to the debt. The fair value of the warrants was determined using the Black-Scholes option pricing model, using the following assumptions:
Exercise price |  | $ | 8.35 |
Fair value of underlying stock |  | $ | 11.80 |
Expected volatility |  |  | 72.52 | %
Contractual term |  |  | 5 years |
Risk-free interest rate |  |  | 1.68 | %
Expected dividend yield |  |  | 0 | %
Common Stock Warrant Issued for Consulting Services On August 31, 2015, the Company issued a warrant to purchase 30,000 shares of Company Common Stock (the “MTS Warrants”) at an exercise price of $11.80 per share to MTS Health Partners, L.P. in exchange for consulting services. The warrant is exercisable in whole or in part any time prior to the expiration date of August 31, 2020. The Company recognized $211 of stock-based compensation expense at the time of issuance. The fair value of the warrant was determined using the Black-Scholes option pricing model, using the following assumptions:
Exercise price |  | $ | 11.80 |
Fair value of underlying stock |  | $ | 11.80 |
Expected volatility |  |  | 72.0 | %
Contractual term |  |  | 5 years |
Risk-free interest rate |  |  | 1.54 | %
Expected dividend yield |  |  | 0 | %
The following represents a summary of the warrants outstanding at each of the dates identified:
|  |  |  |  |  |  |  |  |  |  | Number of Shares Underlying Warrants |
Warrants |  | Issue Date |  |  | Classification |  |  | Exercisable For |  |  | September 30, 2015 |  |  | December 31, 2014 |
Preferred Stock Warrants |  |  | Various |  |  |  | Liability |  |  |  | Preferred Stock |  |  |  | — |  |  |  | 14,544,247 |
Private Placement Warrants |  |  | June 15, 2015 |  |  |  | Equity |  |  |  | Common Stock |  |  |  | 3,190,030 |  |  |  | — |
Hercules Warrants |  |  | June 15, 2015 |  |  |  | Equity |  |  |  | Common Stock |  |  |  | 25,150 |  |  |  | — |
MTS Warrants |  |  | August 31, 2015 |  |  |  | Equity |  |  |  | Common Stock |  |  |  | 30,000 |  |  |  | — |
Warrants Assumed in Merger |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Warrants |  |  | March - May 2015 |  |  |  | Equity |  |  |  | Common Stock |  |  |  | 1,219,000 |  |  |  | — |
Representative’s Warrants |  |  | March 2015 |  |  |  | Equity |  |  |  | Common Stock |  |  |  | 37,100 |  |  |  | — |
Underwriter’s Warrant |  |  | March 2015 |  |  |  | Equity |  |  |  | Common Stock |  |  |  | 2,160 |  |  |  | — |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C + Details
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