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Oklo Inc.(OKLO US)

$23.92-0.532.17%Ext:$23.10-0.823.44%(Market Closed ยท 01:00:02 UTC)
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Overview

ProfileEntity Structure

Documents

SEC Filings
CategorizedChronologicalBy Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
Logo
  • Home
  • AI Agent
  • Annotations
  • Files
  • Pricing and plans
  • BlogAboutContact us
    APIMCP
    Terms of servicePrivacy policy

  • Get the full experience

    We save the real magic for signed-in users.

HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Oklo Inc.(OKLO US)

$23.92-0.532.17%Ext:$23.10-0.823.44%(Market Closed ยท 01:00:02 UTC)
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

Overview

ProfileEntity Structure

Documents

SEC Filings
CategorizedChronologicalBy Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
OKLO USโ€‹
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SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

DeWitte Jacob(31)

  • Form 4Statement of changes in beneficial ownership4 Nov
  • Form 4Statement of changes in beneficial ownership5 Oct
  • Form 4Statement of changes in beneficial ownership2 Sep
  • Form 4Statement of changes in beneficial ownership5 Aug
  • Form 4Statement of changes in beneficial ownership2 Jul
  • Form 4Statement of changes in beneficial ownership2 Jun
  • Form 4Statement of changes in beneficial ownership4 May
  • Form 4Statement of changes in beneficial ownership3 Apr
  • Form 4Statement of changes in beneficial ownership1 Apr
  • Form 4Statement of changes in beneficial ownership16 Mar

Cochran Caroline(31)

  • Form 4Statement of changes in beneficial ownership4 Nov
  • Form 4Statement of changes in beneficial ownership5 Oct
  • Form 4Statement of changes in beneficial ownership2 Sep
  • Form 4Statement of changes in beneficial ownership5 Aug
  • Form 4Statement of changes in beneficial ownership2 Jul
  • Form 4Statement of changes in beneficial ownership2 Jun
  • Form 4Statement of changes in beneficial ownership4 May
  • Form 4Statement of changes in beneficial ownership3 Apr
  • Form 4Statement of changes in beneficial ownership1 Apr
  • Form 4Statement of changes in beneficial ownership16 Mar

Bealmear Richard Craig(20)

  • Form 4Statement of changes in beneficial ownership4 Nov
  • Form 4Statement of changes in beneficial ownership5 Oct
  • Form 4Statement of changes in beneficial ownership3 Sep
  • Form 4Statement of changes in beneficial ownership5 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership3 Jun
  • Form 4Statement of changes in beneficial ownership5 May
  • Form 4Statement of changes in beneficial ownership3 Apr
  • Form 4Statement of changes in beneficial ownership16 Mar
  • Form 4Statement of changes in beneficial ownership5 Mar

Narayanadas Vivek(15)

  • Form 4Statement of changes in beneficial ownership10 Nov
  • Form 4Statement of changes in beneficial ownership5 Nov
  • Form 4Statement of changes in beneficial ownership22 Oct
  • Form 4Statement of changes in beneficial ownership20 Oct
  • Form 4Statement of changes in beneficial ownership13 Oct
  • Form 4Statement of changes in beneficial ownership8 Oct
  • Form 4Statement of changes in beneficial ownership6 Oct
  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership10 Sep
  • Form 4Statement of changes in beneficial ownership9 Sep

Goodwin William Carroll Murphy(12)

  • Form 4Statement of changes in beneficial ownership29 Sep
  • Form 4Statement of changes in beneficial ownership25 Aug
  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership21 May
  • Form 4Statement of changes in beneficial ownership26 Mar
  • Form 5Annual statement of beneficial ownership17 Feb
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4Statement of changes in beneficial ownership2 Dec 2025
  • Form 4Statement of changes in beneficial ownership20 Nov 2025
  • Form 4OWNERSHIP DOCUMENT9 Sep 2025

Renner Alexandra(10)

  • Form 4Statement of changes in beneficial ownership2 Nov
  • Form 4Statement of changes in beneficial ownership15 Oct
  • Form 4Statement of changes in beneficial ownership29 Sep
  • Form 4Statement of changes in beneficial ownership16 Sep
  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership3 Sep
  • Form 4Statement of changes in beneficial ownership1 Sep
  • Form 4Statement of changes in beneficial ownership25 Aug
  • Form 4Statement of changes in beneficial ownership17 Aug
  • Form 3Initial statement of beneficial ownership4 Aug

Klein Michael Stuart(9)

  • Form 4Statement of changes in beneficial ownership24 Sep 2025
  • Form 4OWNERSHIP DOCUMENT25 Jun 2025
  • Form 4OWNERSHIP DOCUMENT23 Jun 2025
  • Form 4OWNERSHIP DOCUMENT18 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 4OWNERSHIP DOCUMENT14 Jul 2021
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Kinzley Richard(8)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership30 Mar
  • Form 4Statement of changes in beneficial ownership12 Mar
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4OWNERSHIP DOCUMENT23 May 2025
  • Form 4OWNERSHIP DOCUMENT27 Dec 2024
  • Form 4OWNERSHIP DOCUMENT12 Jul 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024

M. Klein Associates, Inc.(8)

  • Form 4OWNERSHIP DOCUMENT25 Jun 2025
  • Form 4OWNERSHIP DOCUMENT23 Jun 2025
  • Form 4OWNERSHIP DOCUMENT18 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 4OWNERSHIP DOCUMENT14 Jul 2021
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Jansen John M(7)

  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership30 Mar
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4OWNERSHIP DOCUMENT31 Mar 2025
  • Form 4OWNERSHIP DOCUMENT12 Jul 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024

Hanson John(7)

  • Form 4Statement of changes in beneficial ownership2 Nov
  • Form 4Statement of changes in beneficial ownership15 Oct
  • Form 4Statement of changes in beneficial ownership29 Sep
  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership25 Aug
  • Form 4Statement of changes in beneficial ownership17 Aug
  • Form 3Initial statement of beneficial ownership4 Aug

AltC Sponsor LLC(6)

  • Form 4OWNERSHIP DOCUMENT18 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 4OWNERSHIP DOCUMENT14 Jul 2021
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Altman Samuel H.(4)

  • Form 4OWNERSHIP DOCUMENT21 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Kan Derek T.(4)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 3Initial statement of beneficial ownership20 Apr
  • Form 3Initial statement of beneficial ownership20 Apr

Schweiger Patrick Joseph(4)

  • Form 4Statement of changes in beneficial ownership26 Mar
  • Form 5Annual statement of beneficial ownership17 Feb
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 3OWNERSHIP DOCUMENT18 Aug 2025

CHRISTIAN DAVID A(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3Initial statement of beneficial ownership30 Apr
  • Form 4Statement of changes in beneficial ownership30 Apr

PONEMAN DANIEL B(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3OWNERSHIP DOCUMENT7 Mar 2025
  • Form 4OWNERSHIP DOCUMENT7 Mar 2025

Thompson Michael N. Jr.(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4OWNERSHIP DOCUMENT6 Mar 2025
  • Form 3OWNERSHIP DOCUMENT6 Mar 2025

Peters Mark T(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3Initial statement of beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership20 Apr

Park David G(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3Initial statement of beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership20 Apr

Wright Christopher A(2)

  • Form 4OWNERSHIP DOCUMENT12 Jul 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024

THORNTON JOHN L(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Frei Frances X(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Green Allison(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Taragin Lee Jay(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Lattman Peter(1)

  • Form 3OWNERSHIP DOCUMENT9 Mar 2022

Lassen Erik(1)

  • Form 3Initial statement of beneficial ownership4 Aug

Dixon Michael(1)

  • Form 3Initial statement of beneficial ownership4 Aug

Webster Ryan(1)

  • Form 3Initial statement of beneficial ownership12 Nov

Wang Yingrui(1)

  • Form 3Initial statement of beneficial ownership12 Nov

Petit De Mange Edward(1)

  • Form 3Initial statement of beneficial ownership12 Nov

โ‰ฅ5% Ownership

DeWitte Jacob(7)

  • SC 13D/AOklo Inc.6 Jul
  • SC 13D/AOklo Inc.21 Apr
  • SC 13D/AOklo Inc.2 Jul 2025
  • SC 13D/AOklo Inc.2 Apr 2025
  • SC 13D/AOklo Inc.21 Nov 2024
  • SC 13D/AOklo Inc.6 Aug 2024
  • SC 13DOklo Inc.16 May 2024

Empyrean Capital Partners, LP(4)

  • SC 13G/AOklo Inc.14 Nov 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2023
  • SC 13GAltC Acquisition Corp.15 Dec 2021

Magnetar Financial LLC(4)

  • SC 13G/AOklo Inc.6 Nov 2024
  • SC 13G/AAltC Acquisition Corp.31 Jan 2024
  • SC 13G/AAltC Acquisition Corp.27 Jan 2023
  • SC 13GAltC Acquisition Corp.14 Jan 2022

Encompass Capital Advisors LLC(4)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GOklo Inc.9 Aug 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2024
  • SC 13GAltC Acquisition Corp.11 Sep 2023

VANGUARD GROUP INC(3)

  • SC 13G/AOklo Inc.27 Mar
  • SC 13G/AOklo Inc.31 Oct 2025
  • SC 13GOklo Inc.29 Jul 2025

TIGER GLOBAL MANAGEMENT LLC(3)

  • SC 13G/AOklo Inc.14 Aug 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2024
  • SC 13GAltC Acquisition Corp.22 Jul 2021

PEAK6 Capital Management LLC(3)

  • SC 13GAltC Acquisition Corp.21 Mar 2024
  • SC 13GAltC Acquisition Corp.10 Feb 2023
  • SC 13GAltC Acquisition Corp.11 Feb 2022

CITADEL ADVISORS LLC(3)

  • SC 13G/AAltC Acquisition Corp.14 Feb 2023
  • SC 13G/AAltC Acquisition Corp.14 Feb 2022
  • SC 13GAltC Acquisition Corp.30 Jul 2021

BlackRock, Inc.(3)

  • SC 13G/AOklo Inc.29 Jul
  • SC 13G/AOklo Inc.21 Jan
  • SC 13GOklo Inc.17 Oct 2025

ICS OPPORTUNITIES, LTD.(2)

  • SC 13G/AOklo Inc.13 Nov 2024
  • SC 13GAltC Acquisition Corp.18 Oct 2023

Altman Samuel H.(2)

  • SC 13D/AOklo Inc.4 Apr 2025
  • SC 13DOklo Inc.23 Dec 2024

Data Collective IV, L.P.(2)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GOklo Inc.20 May 2024

MITHRIL II LP(2)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GOklo Inc.20 May 2024

Fort Baker Capital Management LP(2)

  • SC 13G/AOklo Inc.14 Nov 2024
  • SC 13GAltC Acquisition Corp.14 Feb 2024

AltC Sponsor LLC(2)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GAltC Acquisition Corp.11 Feb 2022

JANE STREET GROUP, LLC(1)

  • SC 13GOklo Inc.12 Nov

METEORA CAPITAL, LLC(1)

  • SC 13GAltC Acquisition Corp.14 Feb 2024

Insider Ownership

DeWitte Jacob(31)

  • Form 4Statement of changes in beneficial ownership4 Nov
  • Form 4Statement of changes in beneficial ownership5 Oct
  • Form 4Statement of changes in beneficial ownership2 Sep
  • Form 4Statement of changes in beneficial ownership5 Aug
  • Form 4Statement of changes in beneficial ownership2 Jul
  • Form 4Statement of changes in beneficial ownership2 Jun
  • Form 4Statement of changes in beneficial ownership4 May
  • Form 4Statement of changes in beneficial ownership3 Apr
  • Form 4Statement of changes in beneficial ownership1 Apr
  • Form 4Statement of changes in beneficial ownership16 Mar

Cochran Caroline(31)

  • Form 4Statement of changes in beneficial ownership4 Nov
  • Form 4Statement of changes in beneficial ownership5 Oct
  • Form 4Statement of changes in beneficial ownership2 Sep
  • Form 4Statement of changes in beneficial ownership5 Aug
  • Form 4Statement of changes in beneficial ownership2 Jul
  • Form 4Statement of changes in beneficial ownership2 Jun
  • Form 4Statement of changes in beneficial ownership4 May
  • Form 4Statement of changes in beneficial ownership3 Apr
  • Form 4Statement of changes in beneficial ownership1 Apr
  • Form 4Statement of changes in beneficial ownership16 Mar

Bealmear Richard Craig(20)

  • Form 4Statement of changes in beneficial ownership4 Nov
  • Form 4Statement of changes in beneficial ownership5 Oct
  • Form 4Statement of changes in beneficial ownership3 Sep
  • Form 4Statement of changes in beneficial ownership5 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership3 Jun
  • Form 4Statement of changes in beneficial ownership5 May
  • Form 4Statement of changes in beneficial ownership3 Apr
  • Form 4Statement of changes in beneficial ownership16 Mar
  • Form 4Statement of changes in beneficial ownership5 Mar

Narayanadas Vivek(15)

  • Form 4Statement of changes in beneficial ownership10 Nov
  • Form 4Statement of changes in beneficial ownership5 Nov
  • Form 4Statement of changes in beneficial ownership22 Oct
  • Form 4Statement of changes in beneficial ownership20 Oct
  • Form 4Statement of changes in beneficial ownership13 Oct
  • Form 4Statement of changes in beneficial ownership8 Oct
  • Form 4Statement of changes in beneficial ownership6 Oct
  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership10 Sep
  • Form 4Statement of changes in beneficial ownership9 Sep

Goodwin William Carroll Murphy(12)

  • Form 4Statement of changes in beneficial ownership29 Sep
  • Form 4Statement of changes in beneficial ownership25 Aug
  • Form 4Statement of changes in beneficial ownership14 Aug
  • Form 4Statement of changes in beneficial ownership21 May
  • Form 4Statement of changes in beneficial ownership26 Mar
  • Form 5Annual statement of beneficial ownership17 Feb
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4Statement of changes in beneficial ownership2 Dec 2025
  • Form 4Statement of changes in beneficial ownership20 Nov 2025
  • Form 4OWNERSHIP DOCUMENT9 Sep 2025

Renner Alexandra(10)

  • Form 4Statement of changes in beneficial ownership2 Nov
  • Form 4Statement of changes in beneficial ownership15 Oct
  • Form 4Statement of changes in beneficial ownership29 Sep
  • Form 4Statement of changes in beneficial ownership16 Sep
  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership3 Sep
  • Form 4Statement of changes in beneficial ownership1 Sep
  • Form 4Statement of changes in beneficial ownership25 Aug
  • Form 4Statement of changes in beneficial ownership17 Aug
  • Form 3Initial statement of beneficial ownership4 Aug

Klein Michael Stuart(9)

  • Form 4Statement of changes in beneficial ownership24 Sep 2025
  • Form 4OWNERSHIP DOCUMENT25 Jun 2025
  • Form 4OWNERSHIP DOCUMENT23 Jun 2025
  • Form 4OWNERSHIP DOCUMENT18 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 4OWNERSHIP DOCUMENT14 Jul 2021
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Kinzley Richard(8)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership30 Mar
  • Form 4Statement of changes in beneficial ownership12 Mar
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4OWNERSHIP DOCUMENT23 May 2025
  • Form 4OWNERSHIP DOCUMENT27 Dec 2024
  • Form 4OWNERSHIP DOCUMENT12 Jul 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024

M. Klein Associates, Inc.(8)

  • Form 4OWNERSHIP DOCUMENT25 Jun 2025
  • Form 4OWNERSHIP DOCUMENT23 Jun 2025
  • Form 4OWNERSHIP DOCUMENT18 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 4OWNERSHIP DOCUMENT14 Jul 2021
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Jansen John M(7)

  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership30 Mar
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4OWNERSHIP DOCUMENT31 Mar 2025
  • Form 4OWNERSHIP DOCUMENT12 Jul 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024

Hanson John(7)

  • Form 4Statement of changes in beneficial ownership2 Nov
  • Form 4Statement of changes in beneficial ownership15 Oct
  • Form 4Statement of changes in beneficial ownership29 Sep
  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership25 Aug
  • Form 4Statement of changes in beneficial ownership17 Aug
  • Form 3Initial statement of beneficial ownership4 Aug

AltC Sponsor LLC(6)

  • Form 4OWNERSHIP DOCUMENT18 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 4OWNERSHIP DOCUMENT14 Jul 2021
  • Form 4/AOWNERSHIP DOCUMENT2 Jul 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Altman Samuel H.(4)

  • Form 4OWNERSHIP DOCUMENT21 Nov 2024
  • Form 4OWNERSHIP DOCUMENT13 May 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024
  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Kan Derek T.(4)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 3Initial statement of beneficial ownership20 Apr
  • Form 3Initial statement of beneficial ownership20 Apr

Schweiger Patrick Joseph(4)

  • Form 4Statement of changes in beneficial ownership26 Mar
  • Form 5Annual statement of beneficial ownership17 Feb
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 3OWNERSHIP DOCUMENT18 Aug 2025

CHRISTIAN DAVID A(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3Initial statement of beneficial ownership30 Apr
  • Form 4Statement of changes in beneficial ownership30 Apr

PONEMAN DANIEL B(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3OWNERSHIP DOCUMENT7 Mar 2025
  • Form 4OWNERSHIP DOCUMENT7 Mar 2025

Thompson Michael N. Jr.(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4OWNERSHIP DOCUMENT6 Mar 2025
  • Form 3OWNERSHIP DOCUMENT6 Mar 2025

Peters Mark T(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3Initial statement of beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership20 Apr

Park David G(3)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 3Initial statement of beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership20 Apr

Wright Christopher A(2)

  • Form 4OWNERSHIP DOCUMENT12 Jul 2024
  • Form 3OWNERSHIP DOCUMENT13 May 2024

THORNTON JOHN L(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Frei Frances X(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Green Allison(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Taragin Lee Jay(1)

  • Form 3OWNERSHIP DOCUMENT7 Jul 2021

Lattman Peter(1)

  • Form 3OWNERSHIP DOCUMENT9 Mar 2022

Lassen Erik(1)

  • Form 3Initial statement of beneficial ownership4 Aug

Dixon Michael(1)

  • Form 3Initial statement of beneficial ownership4 Aug

Webster Ryan(1)

  • Form 3Initial statement of beneficial ownership12 Nov

Wang Yingrui(1)

  • Form 3Initial statement of beneficial ownership12 Nov

Petit De Mange Edward(1)

  • Form 3Initial statement of beneficial ownership12 Nov

โ‰ฅ5% Ownership

DeWitte Jacob(7)

  • SC 13D/AOklo Inc.6 Jul
  • SC 13D/AOklo Inc.21 Apr
  • SC 13D/AOklo Inc.2 Jul 2025
  • SC 13D/AOklo Inc.2 Apr 2025
  • SC 13D/AOklo Inc.21 Nov 2024
  • SC 13D/AOklo Inc.6 Aug 2024
  • SC 13DOklo Inc.16 May 2024

Empyrean Capital Partners, LP(4)

  • SC 13G/AOklo Inc.14 Nov 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2023
  • SC 13GAltC Acquisition Corp.15 Dec 2021

Magnetar Financial LLC(4)

  • SC 13G/AOklo Inc.6 Nov 2024
  • SC 13G/AAltC Acquisition Corp.31 Jan 2024
  • SC 13G/AAltC Acquisition Corp.27 Jan 2023
  • SC 13GAltC Acquisition Corp.14 Jan 2022

Encompass Capital Advisors LLC(4)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GOklo Inc.9 Aug 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2024
  • SC 13GAltC Acquisition Corp.11 Sep 2023

VANGUARD GROUP INC(3)

  • SC 13G/AOklo Inc.27 Mar
  • SC 13G/AOklo Inc.31 Oct 2025
  • SC 13GOklo Inc.29 Jul 2025

TIGER GLOBAL MANAGEMENT LLC(3)

  • SC 13G/AOklo Inc.14 Aug 2024
  • SC 13G/AAltC Acquisition Corp.14 Feb 2024
  • SC 13GAltC Acquisition Corp.22 Jul 2021

PEAK6 Capital Management LLC(3)

  • SC 13GAltC Acquisition Corp.21 Mar 2024
  • SC 13GAltC Acquisition Corp.10 Feb 2023
  • SC 13GAltC Acquisition Corp.11 Feb 2022

CITADEL ADVISORS LLC(3)

  • SC 13G/AAltC Acquisition Corp.14 Feb 2023
  • SC 13G/AAltC Acquisition Corp.14 Feb 2022
  • SC 13GAltC Acquisition Corp.30 Jul 2021

BlackRock, Inc.(3)

  • SC 13G/AOklo Inc.29 Jul
  • SC 13G/AOklo Inc.21 Jan
  • SC 13GOklo Inc.17 Oct 2025

ICS OPPORTUNITIES, LTD.(2)

  • SC 13G/AOklo Inc.13 Nov 2024
  • SC 13GAltC Acquisition Corp.18 Oct 2023

Altman Samuel H.(2)

  • SC 13D/AOklo Inc.4 Apr 2025
  • SC 13DOklo Inc.23 Dec 2024

Data Collective IV, L.P.(2)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GOklo Inc.20 May 2024

MITHRIL II LP(2)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GOklo Inc.20 May 2024

Fort Baker Capital Management LP(2)

  • SC 13G/AOklo Inc.14 Nov 2024
  • SC 13GAltC Acquisition Corp.14 Feb 2024

AltC Sponsor LLC(2)

  • SC 13G/AOklo Inc.14 Feb 2025
  • SC 13GAltC Acquisition Corp.11 Feb 2022

JANE STREET GROUP, LLC(1)

  • SC 13GOklo Inc.12 Nov

METEORA CAPITAL, LLC(1)

  • SC 13GAltC Acquisition Corp.14 Feb 2024