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Oklo Inc.
(OKLO US)
$26.35
-0.66
2.44%
Ext:
$26.35
-0.01
0.02%
(Market Closed · 23:59:53 UTC)
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OKLO US
SEC Filings by Owner
Select Filings
Insider Ownership
DeWitte Jacob
(30)
Expand
4
Statement of changes in beneficial ownership
5 Oct
4
Statement of changes in beneficial ownership
2 Sep
4
Statement of changes in beneficial ownership
5 Aug
4
Statement of changes in beneficial ownership
2 Jul
4
Statement of changes in beneficial ownership
2 Jun
4
Statement of changes in beneficial ownership
4 May
4
Statement of changes in beneficial ownership
3 Apr
4
Statement of changes in beneficial ownership
1 Apr
4
Statement of changes in beneficial ownership
16 Mar
4
Statement of changes in beneficial ownership
4 Mar
Cochran Caroline
(30)
Expand
4
Statement of changes in beneficial ownership
5 Oct
4
Statement of changes in beneficial ownership
2 Sep
4
Statement of changes in beneficial ownership
5 Aug
4
Statement of changes in beneficial ownership
2 Jul
4
Statement of changes in beneficial ownership
2 Jun
4
Statement of changes in beneficial ownership
4 May
4
Statement of changes in beneficial ownership
3 Apr
4
Statement of changes in beneficial ownership
1 Apr
4
Statement of changes in beneficial ownership
16 Mar
4
Statement of changes in beneficial ownership
4 Mar
Bealmear Richard Craig
(19)
Expand
4
Statement of changes in beneficial ownership
5 Oct
4
Statement of changes in beneficial ownership
3 Sep
4
Statement of changes in beneficial ownership
5 Aug
4
Statement of changes in beneficial ownership
6 Jul
4
Statement of changes in beneficial ownership
3 Jun
4
Statement of changes in beneficial ownership
5 May
4
Statement of changes in beneficial ownership
3 Apr
4
Statement of changes in beneficial ownership
16 Mar
4
Statement of changes in beneficial ownership
5 Mar
4
Statement of changes in beneficial ownership
3 Mar
Narayanadas Vivek
(13)
Expand
4
Statement of changes in beneficial ownership
22 Oct
4
Statement of changes in beneficial ownership
20 Oct
4
Statement of changes in beneficial ownership
13 Oct
4
Statement of changes in beneficial ownership
8 Oct
4
Statement of changes in beneficial ownership
6 Oct
4
Statement of changes in beneficial ownership
15 Sep
4
Statement of changes in beneficial ownership
10 Sep
4
Statement of changes in beneficial ownership
9 Sep
4
Statement of changes in beneficial ownership
8 Sep
4
Statement of changes in beneficial ownership
27 Aug
Goodwin William Carroll Murphy
(12)
Expand
4
Statement of changes in beneficial ownership
29 Sep
4
Statement of changes in beneficial ownership
25 Aug
4
Statement of changes in beneficial ownership
14 Aug
4
Statement of changes in beneficial ownership
21 May
4
Statement of changes in beneficial ownership
26 Mar
5
Annual statement of beneficial ownership
17 Feb
4
Statement of changes in beneficial ownership
10 Mar
4
Statement of changes in beneficial ownership
2 Dec 2025
4
Statement of changes in beneficial ownership
20 Nov 2025
4
OWNERSHIP DOCUMENT
9 Sep 2025
Klein Michael Stuart
(9)
Expand
4
Statement of changes in beneficial ownership
24 Sep 2025
4
OWNERSHIP DOCUMENT
25 Jun 2025
4
OWNERSHIP DOCUMENT
23 Jun 2025
4
OWNERSHIP DOCUMENT
18 Nov 2024
4
OWNERSHIP DOCUMENT
13 May 2024
4/A
OWNERSHIP DOCUMENT
2 Jul 2024
4
OWNERSHIP DOCUMENT
14 Jul 2021
4/A
OWNERSHIP DOCUMENT
2 Jul 2024
3
OWNERSHIP DOCUMENT
7 Jul 2021
Renner Alexandra
(9)
Expand
4
Statement of changes in beneficial ownership
15 Oct
4
Statement of changes in beneficial ownership
29 Sep
4
Statement of changes in beneficial ownership
16 Sep
4
Statement of changes in beneficial ownership
15 Sep
4
Statement of changes in beneficial ownership
3 Sep
4
Statement of changes in beneficial ownership
1 Sep
4
Statement of changes in beneficial ownership
25 Aug
4
Statement of changes in beneficial ownership
17 Aug
3
Initial statement of beneficial ownership
4 Aug
Kinzley Richard
(8)
Expand
4
Statement of changes in beneficial ownership
15 Jun
4
Statement of changes in beneficial ownership
30 Mar
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
10 Mar
4
OWNERSHIP DOCUMENT
23 May 2025
4
OWNERSHIP DOCUMENT
27 Dec 2024
4
OWNERSHIP DOCUMENT
12 Jul 2024
3
OWNERSHIP DOCUMENT
13 May 2024
M. Klein Associates, Inc.
(8)
Expand
4
OWNERSHIP DOCUMENT
25 Jun 2025
4
OWNERSHIP DOCUMENT
23 Jun 2025
4
OWNERSHIP DOCUMENT
18 Nov 2024
4
OWNERSHIP DOCUMENT
13 May 2024
4/A
OWNERSHIP DOCUMENT
2 Jul 2024
4
OWNERSHIP DOCUMENT
14 Jul 2021
4/A
OWNERSHIP DOCUMENT
2 Jul 2024
3
OWNERSHIP DOCUMENT
7 Jul 2021
Jansen John M
(7)
Expand
4
Statement of changes in beneficial ownership
15 Sep
4
Statement of changes in beneficial ownership
15 Jun
4
Statement of changes in beneficial ownership
30 Mar
4
Statement of changes in beneficial ownership
10 Mar
4
OWNERSHIP DOCUMENT
31 Mar 2025
4
OWNERSHIP DOCUMENT
12 Jul 2024
3
OWNERSHIP DOCUMENT
13 May 2024
AltC Sponsor LLC
(6)
Expand
4
OWNERSHIP DOCUMENT
18 Nov 2024
4
OWNERSHIP DOCUMENT
13 May 2024
4/A
OWNERSHIP DOCUMENT
2 Jul 2024
4
OWNERSHIP DOCUMENT
14 Jul 2021
4/A
OWNERSHIP DOCUMENT
2 Jul 2024
3
OWNERSHIP DOCUMENT
7 Jul 2021
Hanson John
(6)
Expand
4
Statement of changes in beneficial ownership
15 Oct
4
Statement of changes in beneficial ownership
29 Sep
4
Statement of changes in beneficial ownership
15 Sep
4
Statement of changes in beneficial ownership
25 Aug
4
Statement of changes in beneficial ownership
17 Aug
3
Initial statement of beneficial ownership
4 Aug
Altman Samuel H.
(4)
Expand
4
OWNERSHIP DOCUMENT
21 Nov 2024
4
OWNERSHIP DOCUMENT
13 May 2024
3
OWNERSHIP DOCUMENT
13 May 2024
3
OWNERSHIP DOCUMENT
7 Jul 2021
Kan Derek T.
(4)
Expand
4
Statement of changes in beneficial ownership
15 Jun
4
Statement of changes in beneficial ownership
20 Apr
3
Initial statement of beneficial ownership
20 Apr
3
Initial statement of beneficial ownership
20 Apr
Schweiger Patrick Joseph
(4)
Expand
4
Statement of changes in beneficial ownership
26 Mar
5
Annual statement of beneficial ownership
17 Feb
4
Statement of changes in beneficial ownership
10 Mar
3
OWNERSHIP DOCUMENT
18 Aug 2025
CHRISTIAN DAVID A
(3)
Expand
4
Statement of changes in beneficial ownership
15 Jun
3
Initial statement of beneficial ownership
30 Apr
4
Statement of changes in beneficial ownership
30 Apr
PONEMAN DANIEL B
(3)
Expand
4
Statement of changes in beneficial ownership
15 Jun
3
OWNERSHIP DOCUMENT
7 Mar 2025
4
OWNERSHIP DOCUMENT
7 Mar 2025
Thompson Michael N. Jr.
(3)
Expand
4
Statement of changes in beneficial ownership
15 Jun
4
OWNERSHIP DOCUMENT
6 Mar 2025
3
OWNERSHIP DOCUMENT
6 Mar 2025
Peters Mark T
(3)
Expand
4
Statement of changes in beneficial ownership
15 Jun
3
Initial statement of beneficial ownership
20 Apr
4
Statement of changes in beneficial ownership
20 Apr
Park David G
(3)
Expand
4
Statement of changes in beneficial ownership
15 Jun
3
Initial statement of beneficial ownership
20 Apr
4
Statement of changes in beneficial ownership
20 Apr
Wright Christopher A
(2)
Expand
4
OWNERSHIP DOCUMENT
12 Jul 2024
3
OWNERSHIP DOCUMENT
13 May 2024
THORNTON JOHN L
(1)
Expand
3
OWNERSHIP DOCUMENT
7 Jul 2021
Frei Frances X
(1)
Expand
3
OWNERSHIP DOCUMENT
7 Jul 2021
Green Allison
(1)
Expand
3
OWNERSHIP DOCUMENT
7 Jul 2021
Taragin Lee Jay
(1)
Expand
3
OWNERSHIP DOCUMENT
7 Jul 2021
Lattman Peter
(1)
Expand
3
OWNERSHIP DOCUMENT
9 Mar 2022
Lassen Erik
(1)
Expand
3
Initial statement of beneficial ownership
4 Aug
Dixon Michael
(1)
Expand
3
Initial statement of beneficial ownership
4 Aug
≥5% Ownership
DeWitte Jacob
(7)
Expand
SC 13D/A
Oklo Inc.
6 Jul
SC 13D/A
Oklo Inc.
21 Apr
SC 13D/A
Oklo Inc.
2 Jul 2025
SC 13D/A
Oklo Inc.
2 Apr 2025
SC 13D/A
Oklo Inc.
21 Nov 2024
SC 13D/A
Oklo Inc.
6 Aug 2024
SC 13D
Oklo Inc.
16 May 2024
Empyrean Capital Partners, LP
(4)
Expand
SC 13G/A
Oklo Inc.
14 Nov 2024
SC 13G/A
AltC Acquisition Corp.
14 Feb 2024
SC 13G/A
AltC Acquisition Corp.
14 Feb 2023
SC 13G
AltC Acquisition Corp.
15 Dec 2021
Magnetar Financial LLC
(4)
Expand
SC 13G/A
Oklo Inc.
6 Nov 2024
SC 13G/A
AltC Acquisition Corp.
31 Jan 2024
SC 13G/A
AltC Acquisition Corp.
27 Jan 2023
SC 13G
AltC Acquisition Corp.
14 Jan 2022
Encompass Capital Advisors LLC
(4)
Expand
SC 13G/A
Oklo Inc.
14 Feb 2025
SC 13G
Oklo Inc.
9 Aug 2024
SC 13G/A
AltC Acquisition Corp.
14 Feb 2024
SC 13G
AltC Acquisition Corp.
11 Sep 2023
VANGUARD GROUP INC
(3)
Expand
SC 13G/A
Oklo Inc.
27 Mar
SC 13G/A
Oklo Inc.
31 Oct 2025
SC 13G
Oklo Inc.
29 Jul 2025
TIGER GLOBAL MANAGEMENT LLC
(3)
Expand
SC 13G/A
Oklo Inc.
14 Aug 2024
SC 13G/A
AltC Acquisition Corp.
14 Feb 2024
SC 13G
AltC Acquisition Corp.
22 Jul 2021
PEAK6 Capital Management LLC
(3)
Expand
SC 13G
AltC Acquisition Corp.
21 Mar 2024
SC 13G
AltC Acquisition Corp.
10 Feb 2023
SC 13G
AltC Acquisition Corp.
11 Feb 2022
CITADEL ADVISORS LLC
(3)
Expand
SC 13G/A
AltC Acquisition Corp.
14 Feb 2023
SC 13G/A
AltC Acquisition Corp.
14 Feb 2022
SC 13G
AltC Acquisition Corp.
30 Jul 2021
BlackRock, Inc.
(3)
Expand
SC 13G/A
Oklo Inc.
29 Jul
SC 13G/A
Oklo Inc.
21 Jan
SC 13G
Oklo Inc.
17 Oct 2025
ICS OPPORTUNITIES, LTD.
(2)
Expand
SC 13G/A
Oklo Inc.
13 Nov 2024
SC 13G
AltC Acquisition Corp.
18 Oct 2023
Altman Samuel H.
(2)
Expand
SC 13D/A
Oklo Inc.
4 Apr 2025
SC 13D
Oklo Inc.
23 Dec 2024
Data Collective IV, L.P.
(2)
Expand
SC 13G/A
Oklo Inc.
14 Feb 2025
SC 13G
Oklo Inc.
20 May 2024
MITHRIL II LP
(2)
Expand
SC 13G/A
Oklo Inc.
14 Feb 2025
SC 13G
Oklo Inc.
20 May 2024
Fort Baker Capital Management LP
(2)
Expand
SC 13G/A
Oklo Inc.
14 Nov 2024
SC 13G
AltC Acquisition Corp.
14 Feb 2024
AltC Sponsor LLC
(2)
Expand
SC 13G/A
Oklo Inc.
14 Feb 2025
SC 13G
AltC Acquisition Corp.
11 Feb 2022
METEORA CAPITAL, LLC
(1)
Expand
SC 13G
AltC Acquisition Corp.
14 Feb 2024
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