SONIC CORP Form 10-K/A: Amended annual report
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2018-12-14: Form 10-K/A; Period of report 2018-08-31; Description 10-K/A; Document d679902d10ka.htm.
- 2016-11-03: Form 10-K/A; Period of report 2016-08-31; Description 10-K/A; Document sonc-20160831x10ka.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2018-12-14 | 10-K/A | 2018-08-31 | 10-K/A | d679902d10ka.htm |
| 2016-11-03 | 10-K/A | 2016-08-31 | 10-K/A | sonc-20160831x10ka.htm |