HYDROGENICS CORP Form 20-F/A: Amended annual report of foreign private issuer
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2012-08-27: Form 20-F/A; Period of report 2011-12-31; Description FORM 20-F/A; Document f20fa_082412.htm.
- 2010-11-18: Form 20-F/A; Period of report 2009-12-31; Description FORM 20-F/A; Document f20fa_111810.htm.
- 2009-08-12: Form 20-F/A; Period of report 2008-12-31; Description 20-F/A; Document a09-22354_120fa.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2012-08-27 | 20-F/A | 2011-12-31 | FORM 20-F/A | f20fa_082412.htm |
| 2010-11-18 | 20-F/A | 2009-12-31 | FORM 20-F/A | f20fa_111810.htm |
| 2009-08-12 | 20-F/A | 2008-12-31 | 20-F/A | a09-22354_120fa.htm |