Subsequent Events	9 Months Ended
Sep. 30, 2013
Subsequent Events	14. Subsequent Events Additional Financing On October 31, 2013, the Company sold additional shares of common stock and warrants to purchase shares of the Company’s common stock in a second closing of the 2013 financing for gross proceeds of $3.3 million, resulting in net proceeds of $2.9 million after deducting placement agent fees and offering expenses. Further, on November 22, 2013, the Company entered into an agreement with investors to purchase shares of its common stock and warrants to purchase shares of its common stock as part of the 2013 financing for aggregate gross proceeds of $3.0 million, which sales will occur shortly after listing of the Company’s common stock on the over-the-counter market Stock Option Grants 207,724 and 62,430 shares of common stock options were granted to the CEO and CSO, respectively, exercisable at $5.00 per share and vesting over a four-year period, with one-third (1/3) of the shares vested on October 31, 2013, and the remaining 2/3 of the shares vesting ratably, on a monthly basis, over the following forty-eight (48) months. In addition, 51,420 shares of common stock options exercisable at $5.00 per share with an early exercise date were granted to members of the Board of Directors as compensation. Lease Agreement On November 8, 2013, CymaBay entered into a new lease starting January 1, 2014, and expiring in December 31, 2018, for 8,894 square feet of office space in Newark, CA. The Company’s lease obligations under this new lease are approximately $1.7 million.

14. Subsequent Events

Additional Financing

On October 31, 2013, the Company sold additional shares of common stock and warrants to purchase shares of the Company’s common stock in a second closing of the 2013 financing for gross proceeds of $3.3 million, resulting in net proceeds of $2.9 million after deducting placement agent fees and offering expenses.

Further, on November 22, 2013, the Company entered into an agreement with investors to purchase shares of its common stock and warrants to purchase shares of its common stock as part of the 2013 financing for aggregate gross proceeds of $3.0 million, which sales will occur shortly after listing of the Company’s common stock on the over-the-counter market

Stock Option Grants

207,724 and 62,430 shares of common stock options were granted to the CEO and CSO, respectively, exercisable at $5.00 per share and vesting over a four-year period, with one-third (1/3) of the shares vested on October 31, 2013, and the remaining 2/3 of the shares vesting ratably, on a monthly basis, over the following forty-eight (48) months. In addition, 51,420 shares of common stock options exercisable at $5.00 per share with an early exercise date were granted to members of the Board of Directors as compensation.

Lease Agreement

On November 8, 2013, CymaBay entered into a new lease starting January 1, 2014, and expiring in December 31, 2018, for 8,894 square feet of office space in Newark, CA. The Company’s lease obligations under this new lease are approximately $1.7 million.