Harrington Charles L.
- Shares
- 5.34K
- % company
- <0.01%
- Price
- $248.37
- Value
- $1,327,538
Filed Jun 30, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NasdaqGS · Energy · Holders
Constellation Energy Corp (CEG) Institutional Ownership & Insider Trading History
Recent insider purchases and sales for CEG from Form 4 filings. Institutional holdings surface here when ownership sources publish.
Section freshness
Price Jul 21, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceAt close
Last traded •
Source: Market data provider
Fundamentalsevery 1 hr
Provider checked •
Source: Market data provider
Analystevery 1 hr
Provider checked •
Source: Market data provider
Newsevery 15 min
Latest item •
Source: Market data provider
Ownership read
CEG insider sentiment: Net selling.
8 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
CEG
Purchases—
Sales356.28K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
—
Institutional data pending
Insider stance
Net selling
$96.96M sold / — bought
Latest filing
Jun 30, 2026
Most recent holder or insider filing date
Filings shown
86
0 holder / 86 insider
- Holder rows
- Pending
- Market data source
- Latest filing
- Jun 30, 2026
- Most recent holder or insider filing date
- Increased / initiated
- Pending
- 0 decreased
- Insider rows
- 86
- Market data source
Recent insider transactions
Constellation Energy Corp (CEG) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Rimmer Nneka Louise
- Shares
- 4.47K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,368,052
Filed Apr 28, 2026
Paterson Eileen P.
- Shares
- 1.55K
- % company
- <0.01%
- Price
- $305.71
- Value
- $475,379
Filed Apr 28, 2026
Ashish Khandpur K
- Shares
- 6.26K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,912,827
Filed Apr 28, 2026
Harrington Charles L.
- Shares
- 1.55K
- % company
- <0.01%
- Price
- $305.71
- Value
- $475,379
Filed Apr 28, 2026
Jamil Dhiaa M.
- Shares
- 1.71K
- % company
- <0.01%
- Price
- $305.71
- Value
- $521,236
Filed Apr 28, 2026
Holzrichter Julie
- Shares
- 6.26K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,912,827
Filed Apr 28, 2026
Halverson Bradley M
- Shares
- 6.26K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,912,827
Filed Apr 28, 2026
DE BALMANN YVES C
- Shares
- 51.34K
- % company
- 0.01%
- Price
- $305.71
- Value
- $15,695,151
Filed Apr 28, 2026
LAWLESS ROBERT J
- Shares
- 51.34K
- % company
- 0.01%
- Price
- $305.71
- Value
- $15,695,151
Filed Apr 28, 2026
Richardson John M
- Shares
- 16.40K
- % company
- <0.01%
- Price
- $305.71
- Value
- $5,013,338
Filed Apr 28, 2026
Harrington Charles L.
- Shares
- 5.19K
- % company
- <0.01%
- Price
- $279.25
- Value
- $1,449,587
Filed Mar 31, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Harrington Charles L. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 5.34K | $248.37 | $1,327,538 | Jun 30, 2026 |
| 2 | Rimmer Nneka Louise | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 4.47K | $305.71 | $1,368,052 | Apr 28, 2026 |
| 3 | Paterson Eileen P. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.55K | $305.71 | $475,379 | Apr 28, 2026 |
| 4 | Ashish Khandpur K | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.26K | $305.71 | $1,912,827 | Apr 28, 2026 |
| 5 | Harrington Charles L. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.55K | $305.71 | $475,379 | Apr 28, 2026 |
| 6 | Jamil Dhiaa M. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.71K | $305.71 | $521,236 | Apr 28, 2026 |
| 7 | Holzrichter Julie | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.26K | $305.71 | $1,912,827 | Apr 28, 2026 |
| 8 | Halverson Bradley M | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.26K | $305.71 | $1,912,827 | Apr 28, 2026 |
| 9 | DE BALMANN YVES C | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 51.34K | $305.71 | $15,695,151 | Apr 28, 2026 |
| 10 | LAWLESS ROBERT J | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 51.34K | $305.71 | $15,695,151 | Apr 28, 2026 |
| 11 | Richardson John M | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 16.40K | $305.71 | $5,013,338 | Apr 28, 2026 |
| 12 | Harrington Charles L. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 5.19K | $279.25 | $1,449,587 | Mar 31, 2026 |
Showing 12 of 86 matching Form 4 rows. Percent of company uses current shares outstanding when available.
Frequently asked
Common questions.
Who are the largest CEG shareholders?
Constellation Energy Corp (CEG) institutional holders are ranked by reported share count when ownership data publishes filing rows.
What is institutional ownership of CEG?
Constellation Energy Corp (CEG) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.
Where can I see Constellation Energy Corp insider transactions?
Constellation Energy Corp (CEG) has 86 Form 4 insider transactions on file, most recently on Jun 30, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are CEG insiders buying or selling?
Recent CEG insider activity reads Net selling: 8 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active CEG insider?
Dominguez Joseph is the most active CEG insider by absolute share movement, with 851,322 shares moving across the filing history. Review the action labels before treating that activity as buying or selling.