SONIC CORP Late Filing Notices
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 1999-03-01: Form NT 11-K; Period of report 1998-08-31; Description NT-11K.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 1999-03-01 | NT 11-K | 1998-08-31 | NT-11K |