ALLETE, Inc. Form 424B5: Prospectus (Rule 424(b)(5))
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2022-03-31: Form 424B5; Description 424B5; Document tm2210855-1_424b5.htm.
- 2014-02-25: Form 424B5; Description 424B5; Document a2218505z424b5.htm.
- 2005-02-17: Form 424B5; Description ALLETE INVEST DIRECT PROSPECTUS DATED FEBRUARY 14, 2005; Document prospectus2005.txt.
- 2002-07-23: Form 424B5; Description PROSPECTUS; Document prospectus.txt.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2022-03-31 | 424B5 | 424B5 | tm2210855-1_424b5.htm | |
| 2014-02-25 | 424B5 | 424B5 | a2218505z424b5.htm | |
| 2005-02-17 | 424B5 | ALLETE INVEST DIRECT PROSPECTUS DATED FEBRUARY 14, 2005 | prospectus2005.txt | |
| 2002-07-23 | 424B5 | PROSPECTUS | prospectus.txt | |
| 2001-05-29 | 424B5 | PROSPECTUS | allprosupb.txt | |
| 2001-05-29 | 424B5 | PROSPECTUS | allprosup.txt | |
| 2001-05-25 | 424B5 | PROSPECTUS | allprosupb.txt | |
| 2001-05-25 | 424B5 | PROSPECTUS | allprosup.txt | |
| 2001-05-09 | 424B5 | PROSPECTUS | prosp.txt | |
| 2001-05-09 | 424B5 | PROSPECTUS SUPPLEMENT | prospb.txt | |
| 2001-02-16 | 424B5 | PROSPECTUS SUPPLEMENT | 0001.txt | |
| 2001-02-12 | 424B5 | PROSPECTUS SUPPLEMENT | 0001.txt | |
| 2000-10-19 | 424B5 | PROSPECTUS SUPPLEMENT FOR ALLETE | 0001.txt | |
| 2000-10-04 | 424B5 | PROSPECTUS SUPPLEMENT FOR ALLETE | 0001.txt | |
| 1998-09-11 | 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT |