Wec Energy Group, Inc. SEC filings WEC
Wec Energy Group, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Jan 9, 2018. Its latest annual report, Form ARS, was filed on Mar 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Nov 4, 2026 | — |
| 424B2 | Prospectus | Nov 3, 2026 | — |
| FWP | Free writing prospectus | Nov 2, 2026 | — |
| 424B5 | Prospectus supplement | Nov 2, 2026 | — |
| S-3ASR | Automatic shelf registration | Oct 16, 2026 | — |
| 424B2 | Prospectus | Feb 24, 2026 | — |
| FWP | Free writing prospectus | Feb 23, 2026 | — |
| 424B5 | Prospectus supplement | Feb 23, 2026 | — |
| 424B2 | Prospectus | Nov 4, 2025 | — |
| FWP | Free writing prospectus | Nov 3, 2025 | — |
| 424B5 | Prospectus supplement | Nov 3, 2025 | — |
| 424B5 | Prospectus supplement | Oct 31, 2025 | — |
| 424B5 | Prospectus supplement | Aug 6, 2024 | — |
| S-3ASR | Automatic shelf registration | Aug 5, 2024 | — |
| S-3ASR | Automatic shelf registration | Oct 18, 2023 | — |
| 424B2 | Prospectus | Sep 6, 2023 | — |
| FWP | Free writing prospectus | Sep 5, 2023 | — |
| 424B5 | Prospectus supplement | Sep 5, 2023 | — |
| 424B2 | Prospectus | Apr 5, 2023 | — |
| FWP | Free writing prospectus | Apr 4, 2023 | — |
| 424B5 | Prospectus supplement | Apr 4, 2023 | — |
| 424B2 | Prospectus | Jan 10, 2023 | — |
| FWP | Free writing prospectus | Jan 9, 2023 | — |
| 424B5 | Prospectus supplement | Jan 9, 2023 | — |
| 424B2 | Prospectus | Sep 23, 2022 | — |
| FWP | Free writing prospectus | Sep 22, 2022 | — |
| 424B5 | Prospectus supplement | Sep 22, 2022 | — |
| 424B3 | Prospectus | Sep 8, 2022 | — |
| 424B2 | Prospectus | Dec 7, 2021 | — |
| FWP | Free writing prospectus | Dec 6, 2021 | — |
| 424B5 | Prospectus supplement | Dec 6, 2021 | — |
| S-3ASR | Automatic shelf registration | Nov 5, 2021 | — |
| 424B2 | Prospectus | Mar 17, 2021 | — |
| FWP | Free writing prospectus | Mar 16, 2021 | — |
| 424B5 | Prospectus supplement | Mar 16, 2021 | — |
| S-3ASR | Automatic shelf registration | Oct 19, 2020 | — |
| 424B2 | Prospectus | Oct 6, 2020 | — |
| FWP | Free writing prospectus | Oct 5, 2020 | — |
| 424B5 | Prospectus supplement | Oct 5, 2020 | — |
| FWP | Free writing prospectus | Sep 18, 2020 | — |
| 424B2 | Prospectus | Sep 15, 2020 | — |
| FWP | Free writing prospectus | Sep 14, 2020 | — |
| 424B5 | Prospectus supplement | Sep 14, 2020 | — |
| 424B2 | Prospectus | Mar 5, 2019 | — |
| FWP | Free writing prospectus | Mar 4, 2019 | — |
| 424B5 | Prospectus supplement | Mar 4, 2019 | — |
| 424B2 | Prospectus | Jun 5, 2018 | — |
| FWP | Free writing prospectus | Jun 5, 2018 | — |
| 424B5 | Prospectus supplement | Jun 4, 2018 | — |
| S-3ASR | Automatic shelf registration | Jun 1, 2018 | — |
Showing 50 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electric & Other Services Combined (SIC 4931)
- Listed as
- WEC (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- WI
- Headquarters
- Milwaukee, WI
- SEC filer status
- Large accelerated filer
- SEC CIK
- 783325
- Former names
- WISCONSIN ENERGY CORP (until Jun 29, 2015)
Other Electric & Other Services Combined companies
- Duke Energy CORP DUK
- Xcel Energy Inc XEL
- Exelon Corp EXC
- Consolidated Edison Inc ED
- PG&E Corp PCG
- Public Service Enterprise Group Inc PEG
- Ameren Corp AEE
- CMS Energy Corp CMS
Source: SEC EDGAR filings. This is company-reported data, not investment advice.