Company / CIK 0001868275
Constellation Energy Corp
- Ticker
- CEG
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 22
- Members of Congress who traded it
- 3
- Federal contracts on record
- none matched
- Lobbying filings on record
- 12
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 30, 2026
Constellation Energy Corp (CEG) has 22 insiders on file who disclosed 87 transactions in the last 12 months (1 open-market buy, 18 sales, about $106.9M at reported prices), and 6 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 6 lobbying filings naming it as client report $255K in 2026.
Constellation Energy Corp in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in Constellation Energy Corp over the last 12 months; the most active is Dominguez Joseph with $48M.
Lobbying spend by quarter
How much has Constellation Energy Corp reported spending on federal lobbying?
Constellation Energy Corp reported $505K in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| OPPENHEIMER PETER | Director | 2 | 0 | 0 | October 16, 2026 |
| Harrington Charles L. | Director | 6 | 0 | 0 | October 2, 2026 |
| CRANDALL ROGER W | Director | 3 | 1 | 0 | October 2, 2026 |
| Richardson John M | Director | 1 | 0 | 0 | September 8, 2026 |
| Paterson Eileen P. | Director | 1 | 0 | 0 | May 4, 2026 |
| LAWLESS ROBERT J | Director | 3 | 0 | 0 | April 30, 2026 |
| DE BALMANN YVES C | Director | 1 | 0 | 0 | April 30, 2026 |
| Halverson Bradley M | Director | 1 | 0 | 0 | April 30, 2026 |
| Holzrichter Julie | Director | 1 | 0 | 0 | April 30, 2026 |
| Jamil Dhiaa M. | Director | 1 | 0 | 0 | April 30, 2026 |
| Ashish Khandpur K | Director | 1 | 0 | 0 | April 30, 2026 |
| Rimmer Nneka Louise | Director | 1 | 0 | 0 | April 30, 2026 |
| Koehler Michael | EVP & Chief Admin Officer | 11 | 0 | 3 | March 2, 2026 |
| Novotny Andrew R. | See Remarks | 2 | 0 | 0 | February 11, 2026 |
| Hanson Bryan Craig | EVP & Chief Generation Officer | 8 | 0 | 2 | February 11, 2026 |
| Eggers Daniel L. | SEVP, Finance and Data Economy | 8 | 0 | 2 | February 11, 2026 |
| Bauer Matthew N | SVP & Controller | 8 | 0 | 2 | February 11, 2026 |
| MCHUGH JAMES | EVP & Chief Commercial Officer | 7 | 0 | 2 | February 11, 2026 |
| Smith Shane Patrick | EVP & Chief Financial Officer | 7 | 0 | 2 | February 11, 2026 |
| Dardis David O. | EVP & General Counsel | 7 | 0 | 2 | February 11, 2026 |
| Dominguez Joseph | President & CEO | 7 | 0 | 2 | February 11, 2026 |
| Barron Kathleen | EVP & Chief Strategy Officer | 3 | 0 | 1 | October 31, 2025 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded CEG
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the CEG page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 3 | 1 | 2 | $3,003–$45K | October 31, 2025 |
| John Boozman | Senator (AR), Republican | 2 | 1 | 1 | $2,002–$30K | August 13, 2026 |
| Shelley Moore Capito | Senator (WV), Republican | 1 | 0 | 1 | $1,001–$15K | April 17, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Harrington Charles L. | CEG | Other A | September 30, 2026 | October 2, 2026 | 2d | 188 | $254 | $48K | derivative | Form 4 ↗ | |
| CRANDALL ROGER W | CEG | Other A | September 30, 2026 | October 2, 2026 | 2d | 82 | $254 | $21K | derivative | Form 4 ↗ | |
| CRANDALL ROGER W | CEG | Buy P | August 11, 2026 | August 13, 2026 | 2d | 1,500 | $279 | $418K | Form 4 ↗ | ||
| CRANDALL ROGER W | CEG | Other A | August 4, 2026 | August 6, 2026 | 2d | 462 | $267 | $123K | Form 4 ↗ | ||
| Harrington Charles L. | CEG | Other A | June 30, 2026 | July 1, 2026 | 1d | 146 | $248 | $36K | derivative | Form 4 ↗ | |
| Rimmer Nneka Louise | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Richardson John M | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Paterson Eileen P. | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| LAWLESS ROBERT J | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Ashish Khandpur K | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Jamil Dhiaa M. | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Holzrichter Julie | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Harrington Charles L. | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Halverson Bradley M | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| DE BALMANN YVES C | CEG | Other A | April 28, 2026 | April 30, 2026 | 2d | 556 | $306 | $170K | Form 4 ↗ | ||
| Harrington Charles L. | CEG | Other A | March 31, 2026 | April 2, 2026 | 2d | 130 | $279 | $36K | derivative | Form 4 ↗ | |
| Koehler Michael | CEG | Option / conversion M | March 1, 2026 | March 2, 2026 | 1d | 19,405 | — | — | derivative | Form 4 ↗ | |
| Koehler Michael | CEG | Other A | March 1, 2026 | March 2, 2026 | 1d | 6,063 | — | — | derivative | Form 4 ↗ | |
| Koehler Michael | CEG | Option / conversion M | February 9, 2026 | March 2, 2026 | 21d | 21,274 | — | — | latederivative | Form 4 ↗ | |
| Koehler Michael | CEG | Other A | February 9, 2026 | March 2, 2026 | 21d | 21,274 | — | — | latederivative | Form 4 ↗ | |
| Koehler Michael | CEG | Other A | February 9, 2026 | March 2, 2026 | 21d | 1,941 | — | — | latederivative | Form 4 ↗ | |
| Koehler Michael | CEG | Option / conversion M | February 9, 2026 | March 2, 2026 | 21d | 3,376 | — | — | latederivative | Form 4 ↗ | |
| Koehler Michael | CEG | Sell F | March 1, 2026 | March 2, 2026 | 1d | 7,660 | $330 | $2.5M | Form 4 ↗ | ||
| Koehler Michael | CEG | Option / conversion M | March 1, 2026 | March 2, 2026 | 1d | 19,405 | — | — | Form 4 ↗ | ||
| Koehler Michael | CEG | Sell D | February 9, 2026 | March 2, 2026 | 21d | 12,920 | $272 | $3.5M | late | Form 4 ↗ | |
| Koehler Michael | CEG | Sell F | February 9, 2026 | March 2, 2026 | 21d | 9,202 | $272 | $2.5M | late | Form 4 ↗ | |
| Koehler Michael | CEG | Option / conversion M | February 9, 2026 | March 2, 2026 | 21d | 24,650 | — | — | late | Form 4 ↗ | |
| Dominguez Joseph | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 164,913 | — | — | derivative | Form 4 ↗ | |
| Dominguez Joseph | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 164,913 | — | — | derivative | Form 4 ↗ | |
| Dominguez Joseph | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 18,189 | — | — | derivative | Form 4 ↗ | |
| Dominguez Joseph | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 26,904 | — | — | derivative | Form 4 ↗ | |
| Dominguez Joseph | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 92,993 | $272 | $25.3M | Form 4 ↗ | ||
| Dominguez Joseph | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 83,104 | $272 | $22.6M | Form 4 ↗ | ||
| Dominguez Joseph | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 191,817 | — | — | Form 4 ↗ | ||
| Hanson Bryan Craig | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 46,176 | — | — | derivative | Form 4 ↗ | |
| Hanson Bryan Craig | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 46,176 | — | — | derivative | Form 4 ↗ | |
| Hanson Bryan Craig | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 4,972 | — | — | derivative | Form 4 ↗ | |
| Hanson Bryan Craig | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 7,331 | — | — | derivative | Form 4 ↗ | |
| Hanson Bryan Craig | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 26,587 | $272 | $7.2M | Form 4 ↗ | ||
| Hanson Bryan Craig | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 22,166 | $272 | $6.0M | Form 4 ↗ | ||
| Hanson Bryan Craig | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 53,507 | — | — | Form 4 ↗ | ||
| Dardis David O. | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 26,387 | — | — | derivative | Form 4 ↗ | |
| Dardis David O. | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 26,387 | — | — | derivative | Form 4 ↗ | |
| Dardis David O. | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 3,638 | — | — | derivative | Form 4 ↗ | |
| Dardis David O. | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 4,623 | — | — | derivative | Form 4 ↗ | |
| Dardis David O. | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 13,444 | $272 | $3.7M | Form 4 ↗ | ||
| Dardis David O. | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 14,682 | $272 | $4.0M | Form 4 ↗ | ||
| Dardis David O. | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 31,011 | — | — | Form 4 ↗ | ||
| Novotny Andrew R. | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 6,791 | — | — | derivative | Form 4 ↗ | |
| Smith Shane Patrick | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 4,535 | — | — | derivative | Form 4 ↗ | |
| Smith Shane Patrick | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 4,535 | — | — | derivative | Form 4 ↗ | |
| Smith Shane Patrick | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 3,032 | — | — | derivative | Form 4 ↗ | |
| Smith Shane Patrick | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 707 | — | — | derivative | Form 4 ↗ | |
| Smith Shane Patrick | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 1,377 | $272 | $375K | Form 4 ↗ | ||
| Smith Shane Patrick | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 2,048 | $272 | $557K | Form 4 ↗ | ||
| Smith Shane Patrick | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 5,243 | — | — | Form 4 ↗ | ||
| MCHUGH JAMES | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 29,439 | — | — | derivative | Form 4 ↗ | |
| MCHUGH JAMES | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 29,439 | — | — | derivative | Form 4 ↗ | |
| MCHUGH JAMES | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 4,851 | — | — | derivative | Form 4 ↗ | |
| MCHUGH JAMES | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 5,098 | — | — | derivative | Form 4 ↗ | |
| MCHUGH JAMES | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 16,940 | $272 | $4.6M | Form 4 ↗ | ||
| MCHUGH JAMES | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 14,136 | $272 | $3.8M | Form 4 ↗ | ||
| MCHUGH JAMES | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 34,537 | — | — | Form 4 ↗ | ||
| Eggers Daniel L. | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 37,931 | — | — | derivative | Form 4 ↗ | |
| Eggers Daniel L. | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 37,931 | — | — | derivative | Form 4 ↗ | |
| Eggers Daniel L. | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 4,972 | — | — | derivative | Form 4 ↗ | |
| Eggers Daniel L. | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 6,670 | — | — | derivative | Form 4 ↗ | |
| Eggers Daniel L. | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 19,326 | $272 | $5.3M | Form 4 ↗ | ||
| Eggers Daniel L. | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 21,348 | $272 | $5.8M | Form 4 ↗ | ||
| Eggers Daniel L. | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 44,601 | — | — | Form 4 ↗ | ||
| Bauer Matthew N | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 6,927 | — | — | derivative | Form 4 ↗ | |
| Bauer Matthew N | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 6,927 | — | — | derivative | Form 4 ↗ | |
| Bauer Matthew N | CEG | Other A | February 9, 2026 | February 11, 2026 | 2d | 910 | — | — | derivative | Form 4 ↗ | |
| Bauer Matthew N | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 1,161 | — | — | derivative | Form 4 ↗ | |
| Bauer Matthew N | CEG | Sell D | February 9, 2026 | February 11, 2026 | 2d | 3,906 | $272 | $1.1M | Form 4 ↗ | ||
| Bauer Matthew N | CEG | Sell F | February 9, 2026 | February 11, 2026 | 2d | 3,444 | $272 | $937K | Form 4 ↗ | ||
| Bauer Matthew N | CEG | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 8,088 | — | — | Form 4 ↗ | ||
| Bauer Matthew N | CEG | Other A | January 9, 2026 | January 13, 2026 | 4d | 8,759 | — | — | derivative | Form 4 ↗ | |
| Eggers Daniel L. | CEG | Other A | January 9, 2026 | January 13, 2026 | 4d | 5,840 | — | — | derivative | Form 4 ↗ | |
| Hanson Bryan Craig | CEG | Other A | January 9, 2026 | January 13, 2026 | 4d | 5,840 | — | — | derivative | Form 4 ↗ | |
| Novotny Andrew R. | CEG | Other A | January 7, 2026 | January 9, 2026 | 2d | 298,853 | — | — | Form 4 ↗ | ||
| OPPENHEIMER PETER | CEG | Other A | December 31, 2025 | January 5, 2026 | 5d | 44 | $353 | $16K | latederivative | Form 4 ↗ | |
| LAWLESS ROBERT J | CEG | Other A | December 31, 2025 | January 5, 2026 | 5d | 230 | $353 | $81K | latederivative | Form 4 ↗ | |
| Harrington Charles L. | CEG | Other A | December 31, 2025 | January 5, 2026 | 5d | 103 | $353 | $36K | latederivative | Form 4 ↗ | |
| Barron Kathleen | CEG | Option / conversion M | October 29, 2025 | October 31, 2025 | 2d | 23,084 | — | — | derivative | Form 4 ↗ | |
| Barron Kathleen | CEG | Sell F | October 29, 2025 | October 31, 2025 | 2d | 11,321 | $401 | $4.5M | Form 4 ↗ | ||
| Barron Kathleen | CEG | Option / conversion M | October 29, 2025 | October 31, 2025 | 2d | 23,084 | — | — | Form 4 ↗ | ||
| OPPENHEIMER PETER | CEG | Other A | September 30, 2025 | October 2, 2025 | 2d | 47 | $329 | $15K | derivative | Form 4 ↗ | |
| LAWLESS ROBERT J | CEG | Other A | September 30, 2025 | October 2, 2025 | 2d | 247 | $329 | $81K | derivative | Form 4 ↗ | |
| Harrington Charles L. | CEG | Other A | September 30, 2025 | October 2, 2025 | 2d | 110 | $329 | $36K | derivative | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "Constellation Energy Corp". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q3 | THE HARPLE GROUP, LLC | Energy/Nuclear | $20,000 | LDA ↗ |
| 2026 Q2 | BALLARD PARTNERS | Energy/Nuclear | $90,000 | LDA ↗ |
| 2026 Q2 | THE HARPLE GROUP, LLC | Energy/Nuclear | $20,000 | LDA ↗ |
| 2026 Q1 | BALLARD PARTNERS | Energy/Nuclear | $90,000 | LDA ↗ |
| 2026 Q1 | THE HARPLE GROUP, LLC | Energy/Nuclear | $20,000 | LDA ↗ |
| 2026 Q1 | ODONNELL & SON LLC | — | $15,000 | LDA ↗ |
| 2025 Q4 | BALLARD PARTNERS | Energy/Nuclear | $90,000 | LDA ↗ |
| 2025 Q4 | THE HARPLE GROUP, LLC | Energy/Nuclear | $20,000 | LDA ↗ |
| 2025 Q4 | ODONNELL & SON LLC | — | $15,000 | LDA ↗ |
| 2025 Q3 | BALLARD PARTNERS | Energy/Nuclear | $90,000 | LDA ↗ |
| 2025 Q3 | THE HARPLE GROUP, LLC | Energy/Nuclear | $20,000 | LDA ↗ |
| 2025 Q3 | ODONNELL & SON LLC | — | $15,000 | LDA ↗ |
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 3 | November 21, 2025 | November 21, 2025 | House Clerk search |
| Senate eFD, periodic transaction reports | 3 | 3 | May 7, 2026 | September 11, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 36 | 90 | October 2, 2025 | October 2, 2026 | Form 4 list on EDGAR |
| Lobbying disclosure filings | 12 filings | — | — | — | LDA.gov search |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.