| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2012-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | HudBay Minerals Inc. | 12,901,860 | 7.5% | EDGAR |
| SC 13D/A | 2011-03-22 | HudBay Minerals Inc. | Augusta Resource CORP | 20,242,285 | 14.3% | EDGAR |
| SC 13G | 2011-02-14 | Capital World Investors | HudBay Minerals Inc. | 8,000,000 | 5.4% | EDGAR |
| SC 13D | 2010-08-27 | HudBay Minerals Inc. | Augusta Resource CORP | 20,242,285 | 14.5% | EDGAR |
| SC 13D/A | 2009-05-26 | HudBay Minerals Inc. | Lundin Mining CORP | 0 | 0.0% | EDGAR |
| SC 13D/A | 2009-05-12 | HudBay Minerals Inc. | Lundin Mining CORP | 96,997,492 | 16.7% | EDGAR |
| SC 13D/A | 2009-03-27 | HudBay Minerals Inc. | Lundin Mining CORP | 96,997,492 | 19.9% | EDGAR |
| SC 13D/A | 2009-02-25 | HudBay Minerals Inc. | Lundin Mining CORP | 96,997,492 | 19.9% | EDGAR |
| SC 13D/A | 2008-12-15 | HudBay Minerals Inc. | Lundin Mining CORP | 180,265,847 | 37.0% | EDGAR |
| SC 13D | 2008-12-01 | HudBay Minerals Inc. | Lundin Mining CORP | 180,799,181 | 37.0% | EDGAR |