Constellation Energy Corp SEC filings CEG
Constellation Energy Corp has 406 filings in SEC EDGAR's recent list, going back to Jul 26, 2021. Its latest annual report, Form ARS, was filed on Mar 19, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 144 | Notice of proposed sale | Oct 15, 2026 | — |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 144 | Notice of proposed sale | Sep 17, 2026 | — |
| 144/A | Filing | Sep 17, 2026 | — |
| 144 | Notice of proposed sale | Aug 21, 2026 | — |
| 4 | Insider transaction | Aug 13, 2026 | Aug 11, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 7, 2026 | — |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 3 | Initial insider ownership | Aug 6, 2026 | Aug 4, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 5, 2026 | Aug 4, 2026 |
| 8-K |
Current report
Other events
|
Jul 14, 2026 | Jul 14, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 11-K | Employee savings plan report | Jun 17, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Other events
|
Jun 2, 2026 | Jun 1, 2026 |
| 424B4 | Prospectus | Jun 2, 2026 | — |
| FWP | Free writing prospectus | Jun 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 11, 2026 | May 11, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 8-K/A |
Amended current report
Other events
|
Apr 20, 2026 | Apr 17, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 31, 2026 | Mar 31, 2026 |
| DEFA14A | Additional proxy material | Mar 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2026 | Mar 23, 2026 |
| 8-K |
Current report
Other events
|
Mar 20, 2026 | Mar 20, 2026 |
| S-8 | Employee stock plan registration | Mar 19, 2026 | — |
| ARS | Annual report to shareholders | Mar 19, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 19, 2026 | — |
| DEF 14A | Proxy statement | Mar 19, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 9, 2026 |
| 10-K | Annual report | Feb 24, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 24, 2026 | Feb 24, 2026 |
| S-3ASR | Automatic shelf registration | Feb 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 8-K/A |
Amended current report
Officer or director change
|
Feb 10, 2026 | Sep 23, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 15, 2026 | Jan 15, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 14, 2026 | — |
| 4 | Insider transaction | Jan 13, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 9, 2026 |
| 3 | Initial insider ownership | Jan 13, 2026 | Jan 7, 2026 |
| 8-K |
Current report
Other events
|
Jan 13, 2026 | Jan 13, 2026 |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 3 | Initial insider ownership | Jan 9, 2026 | Jan 7, 2026 |
| S-3ASR | Automatic shelf registration | Jan 8, 2026 | — |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Unregistered share sale, Officer or director change, Regulation FD disclosure
|
Jan 7, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Jan 5, 2026 | Jan 1, 2026 |
| 8-K |
Current report
Other events
|
Dec 23, 2025 | Dec 23, 2025 |
| 8-K |
Current report
Other events
|
Dec 17, 2025 | Dec 17, 2025 |
| 8-K |
Current report
Other events
|
Dec 9, 2025 | Dec 9, 2025 |
| 8-K |
Current report
Other events
|
Dec 9, 2025 | Dec 9, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2025 | Nov 21, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Nov 18, 2025 | Nov 17, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2025 | Nov 9, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 7, 2025 | Nov 7, 2025 |
| 4 | Insider transaction | Oct 31, 2025 | Oct 29, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 29, 2025 | Sep 23, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Other events
|
Jul 22, 2025 | Jul 22, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 11-K | Employee savings plan report | Jun 18, 2025 | Dec 31, 2024 |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2025 | May 6, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 5, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Mar 19, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 19, 2025 | — |
| DEF 14A | Proxy statement | Mar 19, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 144 | Notice of proposed sale | Feb 20, 2025 | — |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 18, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jan 13, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 10, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Dec 16, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Dec 16, 2024 |
| 11-K/A | Filing | Dec 18, 2024 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 13, 2024 | Dec 9, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 4, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2024 | Nov 4, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 20, 2024 | Sep 20, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Other events
|
Jul 30, 2024 | Jul 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| S-8 | Employee stock plan registration | Jun 25, 2024 | — |
| 11-K | Employee savings plan report | Jun 20, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | May 10, 2024 | Nov 9, 2022 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 9, 2024 | May 9, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 3, 2024 | Apr 30, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Mar 20, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 20, 2024 | — |
| DEF 14A | Proxy statement | Mar 20, 2024 | Apr 30, 2024 |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 27, 2024 | Feb 27, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
Showing 200 filings, the most recent 200. 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 Services (SIC 4911)
- Listed as
- CEG (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- PA
- Headquarters
- Baltimore, MD
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1868275
- Former names
- Constellation Newholdco, Inc. (until Nov 12, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.