| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Klein Michael Stuart | Director | 640 FIFTH AVENUE, 14TH FLOOR, NEW YORK | /s/ Michael Klein | 25 Jun 2025 | 0001327392 |
| M. Klein Associates, Inc. | Director, 10%+ Owner | 640 FIFTH AVENUE, 14TH FLOOR, NEW YORK | M. Klein Associates, Inc. /s/ Jay Taragin Name: Jay Taragin Title: Authorized Person | 25 Jun 2025 | 0001751504 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OKLO | Common Stock, par value $0.0001 per share | Sale | $1,380,512 | -25,000 | -10% | $55.22 | 225,000 | 23 Jun 2025 | See footnote | F1 |
| transaction | OKLO | Common Stock, par value $0.0001 per share | Sale | $649,847 | -12,100 | -5.4% | $53.71 | 212,900 | 23 Jun 2025 | See footnote | F2 |
| transaction | OKLO | Common Stock, par value $0.0001 per share | Sale | $712,293 | -12,900 | -6.1% | $55.22 | 200,000 | 23 Jun 2025 | See footnote | F3 |
| Id | Content |
|---|---|
| F1 | 212,900 of the shares reported (the "Shares") are held of record by M. Klein Associates, Inc. and 12,100 of the Shares are held of record by Allies Capital Corp. Michael Klein is the controlling stockholder of M. Klein Associates, Inc. Michael Klein is the sole stockholder of Allies Capital Corp. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.2165 to $55.2248, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. |
| F2 | The Shares are held of record by M. Klein Associates, Inc. Michael Klein is the controlling stockholder of M. Klein Associates, Inc. |
| F3 | The Shares are held of record by M. Klein Associates, Inc. Michael Klein is the controlling stockholder of M. Klein Associates, Inc. |