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NYSE · UTILITIES · Holders

Oklo Inc. (OKLO) Institutional Ownership & Insider Trading History

Recent insider purchases and sales for OKLO from Form 4 filings. Institutional holdings surface here when ownership sources publish.

Section freshness

Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT

Source timingDetails

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.

PriceLive
Last traded
Source: Market data provider
Fundamentalsevery 1 day
Provider checked
Source: Market data provider
Analystevery 1 day
Provider checked
Source: Market data provider
Newsevery 15 min
Latest item
Source: Market data provider

Ownership read

OKLO insider sentiment: Net selling.

63 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

OKLO

Purchases
Sales36.27M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

Institutional data pending

Insider stance

Net selling

$2.20B sold / — bought

Latest filing

Jun 11, 2026

Most recent holder or insider filing date

Filings shown

120

0 holder / 120 insider

Holder rows
Pending
Market data source
Latest filing
Jun 11, 2026
Most recent holder or insider filing date
Increased / initiated
Pending
0 decreased
Insider rows
120
Market data source

Recent insider transactions

Oklo Inc. (OKLO) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

Jansen John M

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
3.21K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

Kan Derek T.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
7.91K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

Park David G

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
7.91K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

Peters Mark T

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
7.91K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

Thompson Michael N. Jr.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
6.66K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

PONEMAN DANIEL B

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
6.66K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

Kinzley Richard

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
3.21K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

CHRISTIAN DAVID A

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
7.91K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 11, 2026

Bealmear Richard Craig

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
680.31K
% company
0.39%
Price
No cash value
Value
No cash value

Filed Jun 2, 2026

Bealmear Richard Craig

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
444.56K
% company
0.26%
Price
$3.18
Value
$1,413,691

Filed Jun 2, 2026

Bealmear Richard Craig

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
686.16K
% company
0.39%
Price
No cash value
Value
No cash value

Filed Jun 1, 2026

Bealmear Richard Craig

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
786.16K
% company
0.45%
Price
No cash value
Value
No cash value

Filed Jun 1, 2026

Bealmear Richard Craig

SaleOpen-market or direct sale reported on Form 4.
Shares
438.70K
% company
0.25%
Price
$69.42
Value
$30,454,485

Filed Jun 1, 2026

Bealmear Richard Craig

GiftGift transfer. Usually non-cash and not an open-market sale.
Shares
485.54K
% company
0.28%
Price
Non-cash
Value
Non-cash

Filed Jun 1, 2026

Bealmear Richard Craig

SaleOpen-market or direct sale reported on Form 4.
Shares
487.64K
% company
0.28%
Price
$69.31
Value
$33,798,467

Filed Jun 1, 2026

Bealmear Richard Craig

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
497.64K
% company
0.29%
Price
$3.18
Value
$1,582,502

Filed Jun 1, 2026

Bealmear Richard Craig

SaleOpen-market or direct sale reported on Form 4.
Shares
397.64K
% company
0.23%
Price
$65.00
Value
$25,846,730

Filed Jun 1, 2026

Bealmear Richard Craig

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
413.88K
% company
0.24%
Price
$3.18
Value
$1,316,138

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
576.48K
% company
0.33%
Price
$70.45
Value
$40,613,227

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
578.28K
% company
0.33%
Price
$69.64
Value
$40,271,628

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
571.53K
% company
0.33%
Price
$68.29
Value
$39,029,989

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
609.48K
% company
0.35%
Price
$69.10
Value
$42,114,999

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
538.04K
% company
0.31%
Price
$67.75
Value
$36,452,142

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
563.23K
% company
0.32%
Price
$67.15
Value
$37,820,559

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
578.04K
% company
0.33%
Price
$66.14
Value
$38,231,499

Filed Jun 1, 2026

Cochran Caroline

SaleOpen-market or direct sale reported on Form 4.
Shares
585.44K
% company
0.34%
Price
$64.99
Value
$38,047,681

Filed Jun 1, 2026

DeWitte Jacob

SaleOpen-market or direct sale reported on Form 4.
Shares
609.48K
% company
0.35%
Price
$69.10
Value
$42,114,999

Filed Jun 1, 2026

DeWitte Jacob

SaleOpen-market or direct sale reported on Form 4.
Shares
538.04K
% company
0.31%
Price
$67.75
Value
$36,452,142

Filed Jun 1, 2026

DeWitte Jacob

SaleOpen-market or direct sale reported on Form 4.
Shares
563.23K
% company
0.32%
Price
$67.15
Value
$37,820,559

Filed Jun 1, 2026

DeWitte Jacob

SaleOpen-market or direct sale reported on Form 4.
Shares
578.04K
% company
0.33%
Price
$66.14
Value
$38,231,499

Filed Jun 1, 2026

DeWitte Jacob

SaleOpen-market or direct sale reported on Form 4.
Shares
585.44K
% company
0.34%
Price
$64.99
Value
$38,047,681

Filed Jun 1, 2026

DeWitte Jacob

SaleOpen-market or direct sale reported on Form 4.
Shares
576.48K
% company
0.33%
Price
$70.45
Value
$40,613,227

Filed Jun 1, 2026

Showing 32 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest OKLO shareholders?

Oklo Inc. (OKLO) institutional holders are ranked by reported share count when ownership data publishes filing rows.

What is institutional ownership of OKLO?

Oklo Inc. (OKLO) 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 Oklo Inc. insider transactions?

Oklo Inc. (OKLO) has 120 Form 4 insider transactions on file, most recently on Jun 11, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are OKLO insiders buying or selling?

Recent OKLO insider activity reads Net selling: 63 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 OKLO insider?

DeWitte Jacob is the most active OKLO insider by absolute share movement, with 36.62 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.