| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| Advanced Drainage Systems, Inc. Employee Stock Ownership Plan | 2017-02-14 | |||
| Wellington Management Group Llp | 2017-02-09 | |||
| Wellington Management Group Llp | 2016-06-10 | |||
| Advanced Drainage Systems, Inc. Employee Stock Ownership Plan | 2016-03-08 |