13.  Employee Benefit Plan

The Company sponsors the Axogen 401(k) plan (the 401(k) Plan), a defined contribution plan covering substantially all employees of the Company.  All full-time employees who have attained the age of 18 are eligible to participate in the 401(k) Plan. Eligibility is immediate upon employment and enrollment is available any time during employment. Participating employees may make annual pretax contributions to their accounts up to a maximum amount as limited by law. The 401(k) Plan requires the Company to make matching contributions of 3% on the first 3% of the employee’s annual salary and 1% of the next 2% of the employee’s annual salary as long as the employee participates in the 401(k) Plan. Both employee contributions and Company contributions vest immediately.  The Company contributed $650,  $439 and $334 in matching funds during the years ended December 31, 2018, 2017 and 2016, respectively.