OKLO

Oklo Inc.

Electric ServicesNYSE<br>Emerging growth company

Total Trades

40

Buys

2

Sells

31

Largest Trade

N/A

Insiders

7

Institutional Funds

605

Inst. Value

$1M+

Activist Filings

40

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Bealmear Richard CraigCFOEXERCISE$15K–$50K6K$3.18Mar 5, 2026
Bealmear Richard CraigCFOSELL$100K–$500K6K$61.93Mar 5, 2026
DeWitte JacobCo-Founder, CEOSELL$1M+200K$63.29Mar 4, 2026
Cochran CarolineCo-Founder, COOSELL$1M+200K$63.29Mar 4, 2026
Bealmear Richard CraigCFOSELL$500K+16K$60.00Mar 3, 2026
Bealmear Richard CraigCFOEXERCISE$50K–$100K16K$3.18Mar 3, 2026
Bealmear Richard CraigCFOSELL$500K+10K$76.93Feb 4, 2026
Bealmear Richard CraigCFOEXERCISE$100K–$500K107K$3.18Feb 4, 2026
DeWitte JacobCo-Founder, CEOSELL$1M+200K$74.96Feb 4, 2026
Cochran CarolineCo-Founder, COOSELL$1M+200K$74.96Feb 4, 2026
Cochran CarolineCo-Founder, COOSELL$1M+92K$111.84Jan 13, 2026
DeWitte JacobCo-Founder, CEOSELL$1M+92K$111.84Jan 13, 2026
Cochran CarolineCo-Founder, COOSELL$1M+328K$98.92Jan 9, 2026
DeWitte JacobCo-Founder, CEOSELL$1M+328K$98.92Jan 9, 2026
Cochran CarolineCo-Founder, COOSELL$1M+200K$90.29Jan 7, 2026
DeWitte JacobCo-Founder, CEOSELL$1M+200K$90.29Jan 7, 2026
Cochran CarolineCo-Founder, COOSELL$1M+840K$82.32Dec 24, 2025
DeWitte JacobCo-Founder, CEOSELL$1M+840K$82.32Dec 24, 2025
Bealmear Richard CraigCFOSELL$1M+75K$78.30Dec 20, 2025
Bealmear Richard CraigCFOEXERCISE$100K–$500K150K$3.18Dec 20, 2025
Goodwin William Carroll MurphyChief Legal & Stra…SELL$500K+6K$88.42Dec 2, 2025
Goodwin William Carroll MurphyChief Legal & Stra…EXERCISEN/A11KDec 2, 2025
Goodwin William Carroll MurphyChief Legal & Stra…SELL$1M+12K$101.84Nov 20, 2025
Goodwin William Carroll MurphyChief Legal & Stra…EXERCISEN/A21KNov 20, 2025
Cochran CarolineCo-Founder, COOSELL$1M+600K$112.26Oct 2, 2025
DeWitte JacobCo-Founder, CEOSELL$1M+600K$112.26Oct 2, 2025
Klein Michael StuartDirectorSELL$1M+50K$133.76Sep 25, 2025
Bealmear Richard CraigCFOEXERCISE$500K+200K$3.18Sep 19, 2025
Bealmear Richard CraigCFOSELL$1M+100K$94.31Sep 19, 2025
Goodwin William Carroll MurphyChief Legal & Stra…SELL$1M+41K$70.09Sep 10, 2025
DeWitte JacobCo-Founder, CEOSELL$1M+600K$55.20Jul 2, 2025
Cochran CarolineCo-Founder, COOSELL$1M+600K$55.20Jul 2, 2025
Klein Michael StuartDirectorSELL$1M+50K$54.85Jun 25, 2025
Klein Michael StuartDirectorSELL$1M+250K$63.06Jun 23, 2025
Jansen John MDirectorBUY$100K–$500K6K$24.57Apr 1, 2025
DeWitte JacobCo-Founder, CEOSELL$1M+216K$23.05Apr 1, 2025
Cochran CarolineCo-Founder, COOSELL$1M+216K$23.05Apr 1, 2025
Kinzley RichardDirectorBUY$50K–$100K5K$19.95Dec 27, 2024
DeWitte JacobCo-Founder, CEOSELL$1M+231K$21.61Dec 23, 2024
Cochran CarolineCo-Founder, COOSELL$1M+231K$21.61Dec 23, 2024
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Institutional Ownership

13F filings as of Dec 31, 2025 · 605 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

BlackRock, Inc.

SC 13G/A · Jan 21, 2026

9.2%

14.4M shares

The Vanguard Group

SC 13G/A · Oct 31, 2025

7.8%

11.6M shares

BlackRock, Inc.

SC 13G · Oct 17, 2025

5.5%

8.1M shares

The Vanguard Group

SC 13G · Jul 29, 2025

5.9%

8.7M shares

Jacob DeWitte

SC 13D/A · Jul 2, 2025

16.2%

23.9M shares

Samuel H. Altman

SC 13D/A · Apr 4, 2025

4.8%

6.7M shares

Jacob DeWitte

SC 13D/A · Apr 2, 2025

18.2%

25.4M shares

Mithril II LP

SC 13G/A · Feb 14, 2025

0.0%

0 shares

Encompass Capital Advisors LLC

SC 13G/A · Feb 14, 2025

0.0%

0 shares

Data Collective IV, L.P.

SC 13G/A · Feb 14, 2025

4.3%

5.3M shares

AltC Sponsor LLC

SC 13G/A · Feb 14, 2025

0.0%

0 shares

Samuel H. Altman

SC 13D · Dec 23, 2024

8.2%

10.0M shares

Jacob DeWitte

SC 13D/A · Nov 21, 2024

20.8%

28.5M shares

Fort Baker Capital Management LP

SC 13G/A · Nov 14, 2024

0.0%

0 shares

Empyrean Capital Partners, LP

SC 13G/A · Nov 14, 2024

0.0%

0 shares

ICS Opportunities, Ltd.

SC 13G/A · Nov 13, 2024

0.3%

365K shares

MAGNETAR FINANCIAL LLC

SC 13G/A · Nov 6, 2024

0.0%

0 shares

Tiger Global Investments, L.P.

SC 13G/A · Aug 14, 2024

2.5%

3.1M shares

Encompass Capital Advisors LLC

SC 13G · Aug 9, 2024

5.0%

6.2M shares

Jacob DeWitte

SC 13D/A · Aug 6, 2024

19.9%

24.3M shares

5.7%

6.9M shares

Mithril II LP

SC 13G · May 20, 2024

5.3%

6.5M shares

Jacob DeWitte

SC 13D · May 16, 2024

18.1%

22.1M shares

PEAK6 Capital Management LLC

SC 13G · Mar 21, 2024

0.0%

0 shares

Encompass Capital Advisors LLC

SC 13G/A · Feb 14, 2024

9.3%

2.8M shares

Fort Baker Capital Management LP

SC 13G · Feb 14, 2024

5.8%

2.5M shares

Tiger Global Investments, L.P.

SC 13G/A · Feb 14, 2024

10.0%

3.1M shares

Meteora Capital, LLC

SC 13G · Feb 14, 2024

7.6%

2.3M shares

Empyrean Capital Partners, LP

SC 13G/A · Feb 14, 2024

10.0%

3.1M shares

MAGNETAR FINANCIAL LLC

SC 13G/A · Jan 31, 2024

5.4%

1.7M shares

ICS Opportunities, Ltd.

SC 13G · Oct 18, 2023

5.2%

1.6M shares

Encompass Capital Advisors LLC

SC 13G · Sep 11, 2023

5.3%

2.7M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2023

4.9%

6 shares

9.4%

4.8M shares

PEAK6 Capital Management LLC

SC 13G · Feb 10, 2023

6.4%

3.3M shares

MAGNETAR FINANCIAL LLC

SC 13G/A · Jan 27, 2023

6.7%

3.4M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2022

6.1%

6 shares

AltC Sponsor LLC

SC 13G · Feb 11, 2022

21.8%

13.9M shares

PEAK6 Capital Management LLC

SC 13G · Feb 11, 2022

6.4%

3.3M shares

MAGNETAR FINANCIAL LLC

SC 13G · Jan 14, 2022

6.9%

3.5M shares

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