File Form 5500 Calendar When: July 31, 2016 all-day Repeats 2016-07-31T00:00:00-07:00 2016-08-01T00:00:00-07:00 Defined Contribution Initial filing deadline for Form 5500 (or extend using Form 5558) (All Plans) By ppd_wpadm | May 1, 2014 | ← Periodic Pension Benefit Statement Employer Contributions Due →