Through the 90-day period concluding February 19, 2026, Oklo's top three insider stakeholders include Director Samuel H. Altman (3.73Mn shares), Co Founder And Ceo Jacob Dewitte (2.10Mn shares), Co Founder And Coo Caroline Cochran (2.09Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Samuel H. Altman | 3,732,479 | 21 Nov, 2024 | |
| Jacob Dewitte | Co Founder And Ceo | 2,100,793 | 04 Feb, 2026 |
| Caroline Cochran | Co Founder And Coo | 2,091,618 | 04 Feb, 2026 |
| Richard Craig Bealmear | Chief Financial Officer | 294,255 | 04 Feb, 2026 |
| Michael Stuart Klein | 150,000 | 24 Sep, 2025 | |
| William Carroll Murphy Goodwin | Chief Legal & Strategy Officer | 13,620 | 02 Dec, 2025 |
| John M Jansen | 6,000 | 31 Mar, 2025 | |
| Richard Kinzley | 3,800 | 23 May, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Feb, 2026 | Richard Craig Bealmear | Class A Common Stock | A | 97,342 | $3.18 | 294,255 | D | M |
| 02 Feb, 2026 | Richard Craig Bealmear | Class A Common Stock | D | 9,726 | $76.93 | 196,913 | D | S |
| 02 Feb, 2026 | Richard Craig Bealmear | Class A Common Stock | A | 9,726 | $3.18 | 206,639 | D | M |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 16,181 | $73.81 | 792,016 | D | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 443 | $78.20 | 1,350,000 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 29,636 | $75.37 | 1,360,364 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 7,769 | $76.39 | 1,352,595 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 2,153 | $77.67 | 1,360,364 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 7,768 | $76.39 | 739,023 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 16,181 | $73.81 | 7,851,901 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 43,819 | $74.69 | 748,197 | D | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 443 | $78.20 | 1,352,596 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 29,636 | $75.37 | 782,842 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 43,819 | $74.69 | 1,000,000 | I | S |
| 02 Feb, 2026 | Jacob Dewitte | Class A Common Stock | D | 2,152 | $77.67 | 1,350,443 | I | S |
| 02 Feb, 2026 | Caroline Cochran | Class A Common Stock | D | 16,181 | $73.81 | 782,842 | D | S |
| 02 Feb, 2026 | Caroline Cochran | Class A Common Stock | D | 443 | $78.20 | 1,352,595 | I | S |
| 02 Feb, 2026 | Caroline Cochran | Class A Common Stock | D | 43,819 | $74.69 | 739,023 | D | S |
| 02 Feb, 2026 | Caroline Cochran | Class A Common Stock | D | 7,768 | $76.39 | 1,352,596 | I | S |
| 02 Feb, 2026 | Caroline Cochran | Class A Common Stock | D | 29,636 | $75.37 | 1,360,364 | I | S |