ALLETE, Inc. Form 424B3: Prospectus (Rule 424(b)(3))
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2017-02-16: Form 424B3; Description 424B3 INVEST DIRECT PROSPECTUS SUPPLEMENT; Document a424b3-investdirectprospec.htm.
- 2006-08-28: Form 424B3; Description ALLETE INVEST DIRECT PROSPECTUS SUPPLEMENT DATED AUGUST 28, 2006; Document r424b3.txt.
- 1998-04-28: Form 424B3; Description PROSPECTUS SUPPLEMENT.
- 1997-01-03: Form 424B3; Description Prospectus (Rule 424(b)(3)).
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2017-02-16 | 424B3 | 424B3 INVEST DIRECT PROSPECTUS SUPPLEMENT | a424b3-investdirectprospec.htm | |
| 2006-08-28 | 424B3 | ALLETE INVEST DIRECT PROSPECTUS SUPPLEMENT DATED AUGUST 28, 2006 | r424b3.txt | |
| 1998-04-28 | 424B3 | PROSPECTUS SUPPLEMENT | ||
| 1997-01-03 | 424B3 | Prospectus (Rule 424(b)(3)) | ||
| 1997-01-03 | 424B3 | Prospectus (Rule 424(b)(3)) | ||
| 1997-01-03 | 424B3 | Prospectus (Rule 424(b)(3)) | ||
| 1996-11-20 | 424B3 | Prospectus (Rule 424(b)(3)) |