Annual report pursuant to Section 13 and 15(d)

Equity

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Equity
12 Months Ended
Dec. 31, 2013
Stockholders Equity Note [Abstract]  
Equity
11. Equity
 
Convertible Preferred Stock
 
Series A Shares
 
The Company’s Certificate of Incorporation, as amended, authorizes the Company to issue 15,000,000 shares of $0.001 par value Preferred Stock. As of December 31, 2013 and 2012, there were no Series A Shares outstanding. See “Conversion of Series A, B and C Shares” below.
 
Conversion of Series A, B and C Shares
 
On November 15, 2011, the Company’s Form S-1 was declared effective resulting in the conversion of 4,357,885 Series A Shares, 2,525,677 Series B Shares and 4,612,624 Series C Shares into 11,496,186 shares of common stock. Accordingly, at December 31, 2013 and 2012, the Company had no outstanding Preferred Stock.
 
Common Stock
 
On September 30, 2013, the Company’s Stockholders’ approved an amended and restated certificate of incorporation, to increase the number of authorized shares of capital stock from 65,000,000 shares to 115,000,000 shares and to increase the number of authorized shares of $0.001 par value Common Stock from 50,000,000 to 100,000,000.
 
The terms, rights, preference and privileges of the Company’s common stock are as follows:
 
Voting Rights
 
Each holder of common stock is entitled to one vote for each share of common stock held on all matters submitted to a vote of the stockholders, including the election of directors. The Company’s Certificate of Incorporation and Bylaws do not provide for cumulative voting rights.
 
Dividends
 
Subject to preferences that may be applicable to any then outstanding Preferred Stock, the holders of the Company’s outstanding shares of common stock are entitled to receive dividends, if any, as may be declared from time to time by the Company’s board of directors out of legally available funds.
 
Liquidation
 
In the event of the Company’s liquidation, dissolution or winding up, holders of common stock will be entitled to share ratably in the net assets legally available for distribution to stockholders after the payment of all of the Company’s debts and other liabilities, subject to the satisfaction of any liquidation preference granted to the holders of any outstanding shares of Preferred Stock.
 
Rights and Preference
 
Holders of the Company’s common stock have no preemptive, conversion or subscription rights, and there are no redemption or sinking fund provisions applicable to our common stock. The rights, preferences and privileges of the holders of Common stock are subject to, and may be adversely affected by, the rights of the holders of shares of any series of the Company’s Preferred Stock that are or may be issued.
 
Fully Paid and Nonassessable
 
All of the Company’s outstanding shares of common stock are fully paid and nonassessable.
 
On June 1, 2007, the Company issued the following shares of common stock:
 
2,125,096 shares of fully vested common stock to its founders at par value of $0.001.
 
457,170 shares of restricted common stock were granted to certain employees of the Company under the Company’s 2007 Stock Incentive Plan, for payment of par value (see Note 13). The shares vest annually in equal amounts over three years and the fair value of the awards was determined and fixed on the grant date. Compensation expense is recorded on a straight-line basis over the vesting period.
 
2,180,000 shares of restricted common stock were issued to certain employees of PBS at par value of $0.001 that vest annually in equal amounts over three years (see Note 13). PBS provided various services to the Company. The fair value of the awards was determined on the grant date and the unvested awards were remeasured each reporting period. Compensation expense is recorded on a straight-line basis over the vesting period.
 
In 2009, the Company issued 5,000 shares of fully vested common stock for compensation of past services performed by a non-employee. The fair value of the shares, which was not material, was recorded as research and development expense in the consolidated statements of operations on the grant date.
 
In 2010, the Company issued 23,836 shares of fully vested common stock for compensation of past services performed by a non-employee. The fair value of the shares of $82,000 on the grant date was recorded as research and development expense in the consolidated statements of operations on the grant date.
 
In 2011, pursuant to the exercise of options, the Company issued 138,080 shares of common stock with proceeds of $193,000, which were recorded in additional paid in capital.
 
In May 2011, the Special Dividend was declared resulting in the issuance of 2,178,917 shares of common stock.
 
In November 2011, upon the effectiveness of the Company’s Form S-1, an aggregate of 11,496,186 shares of Preferred Stock converted into common stock (see Convertible Preferred Stock above).
 
In June 2012, the Company completed an underwritten public offering of 5,750,000 shares of our common stock, including 750,000 shares subject to an over-allotment option exercised by the underwriters, at a price of $5.00 per share for proceeds, net of underwriting commissions and other offering expenses, of approximately $26.4 million.
 
At Market Issuance Programs
 
In September 2012, the Company filed a shelf registration statement on Form S-3 (the “2012 Form S-3”) pursuant to which it could sell up to a total of $75.0 million of its equity securities and, in October 2012, entered into an At Market Issuance Sales Agreement with MLV & Co LLC (“MLV”) to issue and sell up to $30.0 million of shares of Common Stock under the 2012 Form S-3 (the “2012 ATM”). Upon completion of the 2012 ATM, in April 2013, the Company entered into a new At Market Issuance Sales Agreement with MLV whereby it could issue and sell up to $45.0 million of shares of Common Stock under the 2012 Form S-3 (the “2013 ATM”).
 
In July 2013, the Company filed a shelf registration statement on Form S-3 (the “2013 Form S-3”), which was declared effective on August 19, 2013.The Company may sell up to a total of $200.0 million of its equity securities under the 2013 Form S-3. In connection with the 2013 Form S-3, the Company amended its 2013 ATM with MLV such that it may offer and sell additional shares of Common Stock having an aggregate offering price of up to $70.0 million from time to time under the 2013 Form S-3 (the “Amended 2013 ATM”). Pursuant to the terms of the ATM’s with MLV, the Company will pay directly to MLV fees of up to 3% of the gross proceeds of the ATM then in effect. In the year ended December 31, 2013, the Company sold 10,558,422 shares of Common Stock under the ATMs and received net proceeds of $89.4 million.