SEC Form 4 · accession 0002021786-26-000017
Oklo Inc. · OKLO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Caroline Cochran
Officer — Co-Founder, COO · Director · 10% Owner
Period of report
Aug 3, 2026
Accepted (ET)
Aug 5, 2026 · 4:06 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001849056
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF2,F3 | Aug 3, 2026 | S | 40,000 | $41.35 | D | 438,039 | D | |
| Class A Common StockF4,F3 | Aug 3, 2026 | S | 16,500 | $38.55 | D | 552,979 | I | By Caroline Cochran GRAT |
| Class A Common StockF5,F3 | Aug 3, 2026 | S | 3,500 | $39.60 | D | 549,479 | I | By Caroline Cochran GRAT |
| Class A Common StockF6,F7,F8 | Aug 3, 2026 | S | 40,000 | $41.68 | D | 471,533 | I | By Jacob DeWitte |
| Class A Common StockF9,F7,F10 | Aug 3, 2026 | S | 12,849 | $40.14 | D | 523,634 | I | By Jacob DeWitte GRAT |
| Class A Common StockF11,F7,F10 | Aug 3, 2026 | S | 7,151 | $40.94 | D | 516,483 | I | By Jacob DeWitte GRAT |
| Class A Common StockF3 | holding | — | — | — | 7,583,085 | I | By the Caroline DeWitte Family Trust | |
| Class A Common StockF3 | holding | — | — | — | 1,000,000 | I | By Caroline DeWitte GRAT No. 2 | |
| Class A Common StockF3 | holding | — | — | — | 474,011 | I | By Caroline DeWitt GRAT No. 3 | |
| Class A Common StockF7,F10 | holding | — | — | — | 7,851,901 | I | By the Jacob DeWitte Family Trust | |
| Class A Common StockF7,F10 | holding | — | — | — | 1,000,000 | I | By Jacob DeWitte GRAT No. 2 | |
| Class A Common StockF7,F10 | holding | — | — | — | 506,807 | I | By Jacob DeWitte GRAT No.3 |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.
- F10Represents securities beneficially owned by the Reporting Person's spouse.
- F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.76 - $41.05 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer 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 set forth herein.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.06- $41.52 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer 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 set forth herein.
- F3For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.10- $39.10 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer 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 set forth herein.
- F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.28- $39.75 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer 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 set forth herein.
- F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.52- $42.03 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer 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 set forth herein.
- F7For more information about the equity of the Issuer held by the Reporting Person's spouse, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.
- F8Represents securities held by the Reporting Person's spouse.
- F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.75- $40.74 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer 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 set forth herein.