| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2002-02-13 | VANGUARD FIDUCIARY TRUST CO | AVISTA CORP | 2,642,149 | 5.6% | EDGAR |
| SC 13G/A | 2001-02-14 | FEIRSTEIN BARRY R | AVISTA CORP | 1,998,400 | 4.2% | EDGAR |
| SC 13G/A | 2001-02-09 | CASCADE INVESTMENT LLC | AVISTA CORP | 2,887,500 | 6.1% | EDGAR |
| SC 13G/A | 2001-01-10 | AMVESCAP PLC \GA\ | AVISTA CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2000-02-15 | FEIRSTEIN BARRY R | AVISTA CORP | 2,250,000 | 6.3% | EDGAR |
| SC 13G/A | 2000-02-15 | FEIRSTEIN BARRY R | AVISTA CORP | 2,250,000 | 6.3% | EDGAR |
| SC 13G/A | 2000-02-15 | FEIRSTEIN BARRY R | AVISTA CORP | 2,250,000 | 6.3% | EDGAR |
| SC 13G | 2000-01-20 | CASCADE INVESTMENT LLC | AVISTA CORP | 1,787,500 | 5.0% | EDGAR |
| SC 13G | 2000-01-20 | CASCADE INVESTMENT LLC | AVISTA CORP | 1,787,500 | 5.0% | EDGAR |
| SC 13G | 2000-01-20 | CASCADE INVESTMENT LLC | AVISTA CORP | 1,787,500 | 5.0% | EDGAR |