Oklo Inc. (OKLO) Insider Ownership

Historic Insider Ownership Trends

Oklo's three largest insider shareholders as of March 23, 2026 are Samuel H. Altman (Director, 3.73Mn shares), Jacob Dewitte (Co Founder, Ceo, 2.00Mn shares), Caroline Cochran (Co Founder, Coo, 1.99Mn 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
Samuel H. Altman 0 3,732,479 21 Nov, 2024
Jacob Dewitte Co Founder, Ceo 688,196 1,310,000 04 Mar, 2026
Caroline Cochran Co Founder, Coo 679,024 1,310,000 04 Mar, 2026
Caroline Cochran Co Founder, Coo 718,039 751,533 16 Mar, 2026
Jacob Dewitte Co Founder, Ceo 751,533 718,039 16 Mar, 2026
Michael Stuart Klein 0 500,000 18 Nov, 2024
Richard Craig Bealmear Chief Financial Officer 386,008 0 16 Mar, 2026
Richard Craig Bealmear Chief Financial Officer 294,255 0 05 Mar, 2026
John M Jansen 22,854 0 10 Mar, 2026
Richard Kinzley 3,800 16,854 12 Mar, 2026
William Carroll Murphy Goodwin Chief Legal Strategy Officer 13,620 0 02 Dec, 2025

* 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
12 Mar, 2026 Caroline Cochran Class A Common Stock A 78,652 $59.59 757,676 D M
12 Mar, 2026 Richard Craig Bealmear Class A Common Stock A 80,000 $59.59 374,255 D M
12 Mar, 2026 Jacob Dewitte Class A Common Stock A 112,360 $59.59 800,556 D M
12 Mar, 2026 Caroline Cochran Class A Common Stock A 5,191 $59.59 762,867 D M
12 Mar, 2026 Jacob Dewitte Class A Common Stock A 23,937 $59.59 824,493 D M
12 Mar, 2026 Richard Craig Bealmear Class A Common Stock A 78,652 $59.59 452,907 D M
12 Mar, 2026 Richard Craig Bealmear Class A Common Stock A 5,191 $59.59 458,098 D M
13 Mar, 2026 Caroline Cochran Class A Common Stock D 44,828 $60.00 718,039 D S
13 Mar, 2026 Jacob Dewitte Class A Common Stock D 72,960 $60.00 751,533 D S
13 Mar, 2026 Richard Craig Bealmear Class A Common Stock D 72,090 $60.00 386,008 D S
12 Mar, 2026 Richard Craig Bealmear Restricted Stock Units D 80,000 $0.00 0 D M
12 Mar, 2026 Richard Craig Bealmear Restricted Stock Units D 78,652 $0.00 117,977 D M
12 Mar, 2026 Richard Craig Bealmear Restricted Stock Units D 5,191 $0.00 10,383 D M
12 Mar, 2026 Caroline Cochran Class A Common Stock A 112,360 $59.59 800,556 I M
12 Mar, 2026 Jacob Dewitte Class A Common Stock A 78,652 $59.59 757,676 I M
12 Mar, 2026 Caroline Cochran Class A Common Stock A 23,937 $59.59 824,493 I M
12 Mar, 2026 Jacob Dewitte Class A Common Stock A 5,191 $59.59 762,867 I M
13 Mar, 2026 Caroline Cochran Class A Common Stock D 72,960 $60.00 751,533 I S
13 Mar, 2026 Jacob Dewitte Class A Common Stock D 44,828 $60.00 718,039 I S
12 Mar, 2026 Jacob Dewitte Restricted Stock Units D 112,360 $0.00 168,539 D M