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Employee Benefit Plan | 12 Months Ended
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Dec. 31, 2016
Compensation And Retirement Disclosure [Abstract] |
Employee Benefit Plan | NOTE 12 – EMPLOYEE BENEFIT PLAN The Company sponsors a defined-contribution savings plan under Section 401(k) of the Internal Revenue Code covering all full-time employees (Sangamo 401(k) Plan). The Sangamo 401(k) Plan is intended to qualify under Section 401 of the Internal Revenue Code. The Company matched contributions by employees equal to 50% of the first 6% of employee contributions up to a limit of $3,000 in both 2016 and 2015 and $2,000 in 2014. Matching funds are fully vested when contributed. Contributions to the Sangamo 401(k) Plan by the Company were $0.3 million, $0.3 million, and $0.2 million for the years ended December 31, 2016, 2015 and 2014, respectively.

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