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Oklo CEO Jacob DeWitte reports 80,000 shares sold

The transactions include both direct sales and sales from shares held by the CEO's spouse, all pursuant to a Rule 10b5-1 plan.

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Form Type
4

Rhea-AI Filing Summary

Oklo Inc. Co-Founder and CEO Jacob DeWitte reported sales totaling 80,000 Class A common shares on November 2, 2026. He sold 16,750 shares at a weighted-average $23.8194 per share, 16,550 at $25.0451 and 6,700 at $25.6903; the same three amounts were sold from shares held by his spouse, Caroline Cochran. The sales were made under a Rule 10b5-1 plan.

Insider DeWitte Jacob
Role Co-Founder, CEO
Sold 80,000 shs ($1.97M)
Type Security Shares Price Value
Sale Class A Common Stock F1, F2, F3 16,750 $23.8194 $399K
Sale Class A Common Stock F1, F4, F3 16,550 $25.0451 $414K
Sale Class A Common Stock F1, F5, F3 6,700 $25.6903 $172K
Sale Class A Common Stock F1, F2, F6 16,750 $23.8194 $399K
Sale Class A Common Stock F1, F4, F6 16,550 $25.0451 $414K
Sale Class A Common Stock F1, F5, F6 6,700 $25.6903 $172K
Holding Class A Common Stock F3 -- -- --
Holding Class A Common Stock F3 -- -- --
Holding Class A Common Stock F3 -- -- --
Holding Class A Common Stock F3 -- -- --
Holding Class A Common Stock F6 -- -- --
Holding Class A Common Stock F6 -- -- --
Holding Class A Common Stock F6 -- -- --
Holding Class A Common Stock F6 -- -- --
Holdings After Transaction: Class A Common Stock — 351,533 shares (Direct); Class A Common Stock — 318,039 shares (Indirect, By Caroline Cochran); Class A Common Stock — 7,851,901 shares (Indirect, By the Jacob DeWitte Family Trust); Class A Common Stock — 476,483 shares (Indirect, By Jacob DeWitte GRAT); Class A Common Stock — 1,000,000 shares (Indirect, By Jacob DeWitte GRAT No. 2); Class A Common Stock — 506,807 shares (Indirect, By Jacob DeWitte GRAT No. 3); Class A Common Stock — 7,583,085 shares (Indirect, By the Caroline DeWitte Family Trust); Class A Common Stock — 509,479 shares (Indirect, By Caroline Cochran GRAT); Class A Common Stock — 1,000,000 shares (Indirect, By Caroline DeWitte GRAT No. 2); Class A Common Stock — 474,011 shares (Indirect, By Caroline DeWitte GRAT No.3)
Footnotes (6)
  1. F1. The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.
  2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.46-$24.45 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.
  3. F3. For 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.
  4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.46-$25.45 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.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.47-$25.89 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.
  6. F6. For 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. Represents securities held by the Reporting Person's spouse.
Jacob DeWitte Family Trust holding 7,851,901 shares Reported indirect holding as of November 2, 2026
Jacob DeWitte GRAT holding 476,483 shares Reported indirect holding as of November 2, 2026
Jacob DeWitte GRAT No. 2 holding 1,000,000 shares Reported indirect holding as of November 2, 2026
Jacob DeWitte GRAT No. 3 holding 506,807 shares Reported indirect holding as of November 2, 2026
Caroline DeWitte Family Trust holding 7,583,085 shares Reported indirect holding as of November 2, 2026
Caroline Cochran GRAT holding 509,479 shares Reported indirect holding as of November 2, 2026
Caroline DeWitte GRAT No. 2 holding 1,000,000 shares Reported indirect holding as of November 2, 2026
Caroline DeWitte GRAT No. 3 holding 474,011 shares Reported indirect holding as of November 2, 2026
Rule 10b5-1 plan regulatory
"a Rule 10b5-1 plan adopted on March 31, 2025"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
weighted average price financial
"The price reported in Column 4 is a weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
GRAT financial
"By Jacob DeWitte GRAT"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many OKLO shares were sold, and what were the reported weighted-average prices?

The sales totaled 80,000 Class A common shares. Jacob DeWitte directly sold 16,750 at a weighted-average $23.8194 per share, 16,550 at $25.0451 per share and 6,700 at $25.6903 per share; the same quantities were sold from shares held by his spouse, Caroline Cochran.

What price ranges were used to calculate the OKLO sale averages?

The weighted-average price for each 16,750-share sale reflects transactions from $23.46 to $24.45 inclusive; each 16,550-share sale reflects $24.46 to $25.45 inclusive; and each 6,700-share sale reflects $25.47 to $25.89 inclusive.

When was the Rule 10b5-1 plan for the OKLO sales adopted?

The sales were made under a Rule 10b5-1 plan adopted on March 31, 2025.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
DeWitte Jacob

(Last)(First)(Middle)
C/O OKLO INC.
3190 CORONADO DR.

(Street)
SANTA CLARA CALIFORNIA 95054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Co-Founder, CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock11/02/2026S(1)16,750D$23.8194(2)374,783(3)D
Class A Common Stock11/02/2026S(1)16,550D$25.0451(4)358,233(3)D
Class A Common Stock11/02/2026S(1)6,700D$25.6903(5)351,533(3)D
Class A Common Stock7,851,901(3)IBy the Jacob DeWitte Family Trust
Class A Common Stock476,483(3)IBy Jacob DeWitte GRAT
Class A Common Stock1,000,000(3)IBy Jacob DeWitte GRAT No. 2
Class A Common Stock506,807(3)IBy Jacob DeWitte GRAT No. 3
Class A Common Stock11/02/2026S(1)16,750D$23.8194(2)341,289(6)IBy Caroline Cochran
Class A Common Stock11/02/2026S(1)16,550D$25.0451(4)324,739(6)IBy Caroline Cochran
Class A Common Stock11/02/2026S(1)6,700D$25.6903(5)318,039(6)IBy Caroline Cochran
Class A Common Stock7,583,085(6)IBy the Caroline DeWitte Family Trust
Class A Common Stock509,479(6)IBy Caroline Cochran GRAT
Class A Common Stock1,000,000(6)IBy Caroline DeWitte GRAT No. 2
Class A Common Stock474,011(6)IBy Caroline DeWitte GRAT No.3
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.46-$24.45 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.
3. For 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.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.46-$25.45 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.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.47-$25.89 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.
6. For 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. Represents securities held by the Reporting Person's spouse.
Remarks:
/s/ Richard Craig Bealmear, Attorney-in-Fact11/04/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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