ZIX CORP Form 10-K405/A: Amended annual report (Item 405 box checked)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 1998-04-29: Form 10-K405/A; Period of report 1997-12-31; Description FORM 10-K.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 1998-04-29 | 10-K405/A | 1997-12-31 | FORM 10-K |