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Mailing Address 30 W SUPERIOR STREET DULUTH MN 55802-2093
Business Address 30 W SUPERIOR ST DULUTH MN 55802-2093 2182795000
ALLETE INC CIK#: 0000066756 (see all company filings)

SIC: 4931 - ELECTRIC & OTHER SERVICES COMBINED
State location: MN | State of Inc.: MN | Fiscal Year End: 1231
formerly: ALLETE (filings through 2001-01-25)
formerly: MINNESOTA POWER & LIGHT CO (filings through 1998-05-08)
formerly: MINNESOTA POWER INC (filings through 2000-07-21)
(CF Office: 01 Energy & Transportation)
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Items 1 - 40  0000066756 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
ARS  Documents Annual Report to Security Holders
Acc-no: 0000066756-24-000025 (34 Act)  Size: 3 MB
2024-03-28 001-03548
24792381
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000066756-24-000024 (34 Act)  Size: 1 MB
2024-03-28 001-03548
24792379
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0000066756-24-000023 (34 Act)  Size: 33 MB
2024-03-28 001-03548
24792376
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000066756-24-000016 (34 Act)  Size: 167 KB
2024-03-20 001-03548
24765398
8-K/A  Documents   Interactive Data [Amend] Current report, item 7.01
Acc-no: 0000066756-24-000013 (34 Act)  Size: 180 KB
2024-02-20 001-03548
24653499
8-K  Documents   Interactive Data Current report, item 7.01
Acc-no: 0000066756-24-000008 (34 Act)  Size: 178 KB
2024-02-20 001-03548
24650536
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000066756-24-000007 (34 Act)  Size: 19 MB
2024-02-20 001-03548
24650510
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-019998 (34 Act)  Size: 13 KB
2024-02-13 005-20041
24627245
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-001428 (34 Act)  Size: 13 KB
2024-01-23 005-20041
24551354
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000066756-23-000044 (34 Act)  Size: 8 MB
2023-11-02 001-03548
231369384
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000066756-23-000040 (34 Act)  Size: 8 MB
2023-08-08 001-03548
231148725
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0000066756-23-000035 (34 Act)  Size: 289 KB
2023-06-28 001-03548
231053035
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000066756-23-000032 (34 Act)  Size: 217 KB
2023-05-12 001-03548
23912441
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000066756-23-000029 (34 Act)  Size: 7 MB
2023-05-03 001-03548
23880681
ARS  Documents Annual Report to Security Holders
Acc-no: 0000066756-23-000025 (34 Act)  Size: 6 MB
2023-03-23 001-03548
23753898
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000066756-23-000023 (34 Act)  Size: 735 KB
2023-03-23 001-03548
23753887
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0000066756-23-000021 (34 Act)  Size: 13 MB
2023-03-23 001-03548
23753874
8-K  Documents   Interactive Data Current report, item 7.01
Acc-no: 0000066756-23-000007 (34 Act)  Size: 195 KB
2023-02-16 001-03548
23636650
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000066756-23-000005 (34 Act)  Size: 22 MB
2023-02-16 001-03548
23636639
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015045 (34 Act)  Size: 13 KB
2023-02-09 005-20041
23602029
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-004138 (34 Act)  Size: 13 KB
2023-01-26 005-20041
23554363
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-000504 (34 Act)  Size: 13 KB
2023-01-20 005-20041
23539100
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-22-013640 Size: 39 KB
2022-12-19
CORRESP  Documents [Cover]Correspondence
Acc-no: 0000066756-22-000064 Size: 46 KB
2022-12-13
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-22-012884 Size: 42 KB
2022-11-29
CORRESP  Documents [Cover]Correspondence
Acc-no: 0000066756-22-000061 Size: 46 KB
2022-11-18
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000066756-22-000058 (34 Act)  Size: 9 MB
2022-11-09 001-03548
221370115
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-22-012075 Size: 44 KB
2022-11-04
CORRESP  Documents [Cover]Correspondence
Acc-no: 0000066756-22-000055 Size: 65 KB
2022-10-26
CORRESP  Documents [Cover]Correspondence
Acc-no: 0000066756-22-000052 Size: 40 KB
2022-09-28
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-22-010395 Size: 47 KB
2022-09-21
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000066756-22-000050 (34 Act)  Size: 215 KB
2022-08-22 001-03548
221184562
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000066756-22-000048 (34 Act)  Size: 9 MB
2022-08-03 001-03548
221130100
S-3ASR  Documents Automatic shelf registration statement of securities of well-known seasoned issuers
Acc-no: 0000066756-22-000045 (33 Act)  Size: 794 KB
2022-07-29 333-266383
221116577
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000066756-22-000041 (34 Act)  Size: 189 KB
2022-07-06 001-03548
221069178
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0000066756-22-000039 (34 Act)  Size: 288 KB
2022-06-23 001-03548
221033080
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0000066756-22-000037 (33 Act)  Size: 317 KB
2022-05-25 333-265211
22963530
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000066756-22-000032 (34 Act)  Size: 215 KB
2022-05-13 001-03548
22919261
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000066756-22-000030 (34 Act)  Size: 7 MB
2022-05-05 001-03548
22892940
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000066756-22-000027 (34 Act)  Size: 762 KB
2022-04-05 001-03548
22807956