Constellation Energy Corp (CEG)
Data as of , from SEC Form 4 filings.
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Roger W. Crandall - DirectorOpen-market purchase$418K
Charles L. Harrington - Director
About Constellation Energy Corp (CEG)
Constellation Energy spun off from Exelon in 2022 and is now the largest US independent power producer. After acquiring Calpine in 2026, Constellation owns 55 gigawatts of power generation capacity. Constellation is the largest nuclear plant owner in the US with 22 GW of nuclear power generation capacity in six states. It also owns 4 GW of renewable energy projects. Constellation's retail energy business serves 2.5 million customers.
- BALTIMORE, MD
- 15,339
- 2022
- Nasdaq
CEG Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 1,500 | $418K |
| Grant or award | 3 | 732 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CEG insider transactions (Form 4)
1745 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 2 of 2.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Balmann Yves C. de | Grant or award | Common Stock (Deferred Stock Units) | 993 | $226.45 | $225K | |
| Peter Oppenheimer | Grant or award | Common Stock (Deferred Stock Units) | 993 | $226.45 | $225K | |
 Robert J. Lawless | Grant or award | Common Stock (Deferred Stock Units) | 993 | $226.45 | $225K | |
| Peter Oppenheimer | Grant or award | Deferred Compensation - Phantom Share Equivalents | 77 | $201.63 | $16K | |
| Robert J. Lawless | Grant or award | Deferred Compensation - Phantom Share Equivalents | 403 | $201.63 | $81K | |
| John M. Richardson | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Nneka Louise Rimmer | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Khandpur K. Ashish | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Charles L. Harrington | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Charles L. Harrington | Grant or award | Deferred Compensation - Phantom Share Equivalents | 159 | $260.02 | $41K | |
| Dhiaa M. Jamil | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Julie Holzrichter | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Bradley M. Halverson | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Balmann Yves C. de | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Laurie Brlas | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Robert J. Lawless | Grant or award | Common Stock (Deferred Stock Units) | 246 | $173.11 | $43K | |
| Robert J. Lawless | Grant or award | Deferred Compensation - Phantom Share Equivalents | 312 | $260.02 | $81K |
Recent CEG Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Andrew R. Novotny | Officer | 29,727 | $8.17M | View on EDGAR | |
| Andrew R. Novotny | Officer | 19,825 |
Stock trades in CEG disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Lisa C. McClainRepublican, MI-09 | Sale |
CEG insider trading FAQ
What is the latest insider trade for CEG?
Constellation Energy Corp (CEG) had 4 insider filings in the last 90 days, with the most recent on 2 October 2026. The full record for CEG runs to 45 Form 4 filings, the earliest from 2 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CEG stock?
1 insider purchase of CEG was filed in the last 90 days, totaling $418K.
How many insiders are selling CEG stock?
No insider sales of CEG were filed in the last 90 days.
Where can I see CEG SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CEG Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Utilities companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Charles L. Harrington view on EDGAR
- - Roger W. Crandall view on EDGAR
- - Roger W. Crandall view on EDGAR
- - Roger W. Crandall view on EDGAR
- - Charles L. Harrington view on EDGAR
- - Charles L. Harrington view on EDGAR
- - Michael Koehler view on EDGAR
- - Joseph Dominguez view on EDGAR
- - Bryan Craig Hanson view on EDGAR
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Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Utilities
- Where CEG's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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