FibroGen, Inc. 401(k) Plan

12 Months Ended

Dec. 31, 2015

Compensation And Retirement Disclosure [Abstract]

11	FibroGen, Inc. 401(k) Plan

Substantially all of the Company’s full-time United States of America-based employees are eligible to make contributions to the Company’s 401(k) Plan. Under this plan, participating employees may defer up to 60% of their pretax salary during the year, but not more than statutory limits. The Company may elect to match employee contributions; no such matching contributions were made for the year ended December 31, 2013. Matching contributions of $2.5 million and $1.9 million were made during year ended December 31, 2015 and 2014, respectively.