Oklo Inc. (OKLO) Insider Ownership

Historic Insider Ownership Trends

As of May 14, 2026, the three largest insider holders of OKLO are Caroline Cochran (Co Founder, Coo, 16.42Mn shares), Jacob Dewitte (Co Founder, Ceo, 16.42Mn shares), Michael Stuart Klein (Director, 13.95Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Caroline Cochran Co Founder, Coo 0 16,415,804 01 Apr, 2026
Jacob Dewitte Co Founder, Ceo 0 16,415,804 01 Apr, 2026
Michael Stuart Klein - 0 13,950,000 02 Jul, 2024
Samuel H. Altman - 0 3,732,479 21 Nov, 2024
Caroline Cochran Co Founder, Coo 658,039 2,037,495 03 Apr, 2026
Jacob Dewitte Co Founder, Ceo 691,533 2,004,001 03 Apr, 2026
Michael Stuart Klein Chairman 0 1,435,500 14 Jul, 2021
Richard Craig Bealmear Chief Financial Officer 391,762 0 03 Apr, 2026
Michael Stuart Klein - 0 200,000 25 Jun, 2025
Michael Stuart Klein - 0 150,000 24 Sep, 2025
William Carroll Murphy Goodwin Chief Legal Strategy Officer 26,037 0 25 Mar, 2026
Patrick Joseph Schweiger Chief Technology Officer 19,430 0 25 Mar, 2026
Patrick Joseph Schweiger Chief Technology Officer 19,430 0 25 Mar, 2026
Richard Kinzley - 0 15,754 30 Mar, 2026
John M Jansen - 12,354 0 30 Mar, 2026
Richard Kinzley - 3,800 0 12 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Apr, 2026 David G Park Restricted Stock Units A 4,699 $0.00 4,699 D A
10 Apr, 2026 Derek T. Kan Restricted Stock Units A 4,699 $0.00 4,699 D A
10 Apr, 2026 Mark T Peters Restricted Stock Units A 4,699 $0.00 4,699 D A
01 Apr, 2026 Caroline Cochran Class A Common Stock D 13,473 $48.41 704,566 D S
01 Apr, 2026 Richard Craig Bealmear Class A Common Stock A 16,342 $3.18 402,350 D M
01 Apr, 2026 Jacob Dewitte Class A Common Stock D 13,473 $48.41 738,060 D S
01 Apr, 2026 Caroline Cochran Class A Common Stock D 10,516 $49.58 694,050 D S
01 Apr, 2026 Richard Craig Bealmear Class A Common Stock D 16,342 $51.08 386,008 D S
01 Apr, 2026 Jacob Dewitte Class A Common Stock D 10,516 $49.58 727,544 D S
01 Apr, 2026 Jacob Dewitte Class A Common Stock D 9,068 $50.93 718,476 D S
01 Apr, 2026 Caroline Cochran Class A Common Stock D 9,068 $50.93 684,982 D S
02 Apr, 2026 Richard Craig Bealmear Class A Common Stock A 5,754 $3.18 391,762 D M
01 Apr, 2026 Richard Craig Bealmear Stock Options D 16,342 $0.00 830,253 D M
01 Apr, 2026 Jacob Dewitte Class A Common Stock D 26,943 $51.20 691,533 D S
01 Apr, 2026 Caroline Cochran Class A Common Stock D 26,943 $51.20 658,039 D S
01 Apr, 2026 Caroline Cochran Class A Common Stock D 40,000 $50.50 689,479 I S
02 Apr, 2026 Richard Craig Bealmear Stock Options D 5,754 $0.00 824,499 D M
01 Apr, 2026 Jacob Dewitte Class A Common Stock D 40,000 $50.50 656,483 I S
01 Apr, 2026 Jacob Dewitte Class A Common Stock D 13,473 $48.41 704,566 I S
01 Apr, 2026 Caroline Cochran Class A Common Stock D 13,473 $48.41 738,060 I S