Key facts
- This page summarizes Jacob DeWitte's Form 4 filing for Oklo Inc. (OKLO).
- 6 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 05 Aug 2026, 16:05.
Jacob DeWitte - 03 Aug 2026 Form 4 Insider Report for Oklo Inc. (OKLO)
- Reporting relationship
- Co-Founder, CEO, Director, 10%+ Owner
- Issuer ticker
- OKLO
- Reported as of
- 03 Aug 2026
- Net transaction value
- -$4,904,396
- SEC form
- 4
- Accepted by SEC
- 05 Aug 2026, 16:05:37 UTC
- Prior SEC filing
- 02 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Richard Craig Bealmear, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Jacob DeWitte filed Form 4 for Oklo Inc. (OKLO) on 05 Aug 2026.
Change
- Previous filing in this sequence was filed on 02 Jul 2026.
- Current net transaction value: -$4,904,396.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002021433
Primary reporting owner
DeWitte Jacob
- Relationship
- Co-Founder, CEO, Director, 10%+ Owner
- Address
- C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA
- Signature
- /s/ Richard Craig Bealmear, Attorney-in-Fact
- Signature date
- 05 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $1,667,200
- Shares
- -40,000
- Change %
- -7.8%
- Price
- $41.68
- Shares after
- 471,533
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $515,759
- Shares
- -12,849
- Change %
- -2.4%
- Price
- $40.14
- Shares after
- 523,634
- Date
- 03 Aug 2026
- Ownership
- By Jacob DeWitte GRAT
- Footnotes
- F1, F3, F4
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $292,762
- Shares
- -7,151
- Change %
- -1.4%
- Price
- $40.94
- Shares after
- 516,483
- Date
- 03 Aug 2026
- Ownership
- By Jacob DeWitte GRAT
- Footnotes
- F1, F3, F5
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $1,654,000
- Shares
- -40,000
- Change %
- -8.4%
- Price
- $41.35
- Shares after
- 438,039
- Date
- 03 Aug 2026
- Ownership
- By Caroline Cochran
- Footnotes
- F1, F6, F7, F8
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $636,075
- Shares
- -16,500
- Change %
- -2.9%
- Price
- $38.55
- Shares after
- 552,979
- Date
- 03 Aug 2026
- Ownership
- By Caroline Cochran GRAT
- Footnotes
- F1, F7, F9, F10
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $138,600
- Shares
- -3,500
- Change %
- -0.63%
- Price
- $39.60
- Shares after
- 549,479
- Date
- 03 Aug 2026
- Ownership
- By Caroline Cochran GRAT
- Footnotes
- F1, F7, F10, F11
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,851,901
- Date
- 03 Aug 2026
- Ownership
- By the Jacob DeWitte Family Trust
- Footnotes
- F3
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,000,000
- Date
- 03 Aug 2026
- Ownership
- By Jacob DeWitte GRAT No. 2
- Footnotes
- F3
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 506,807
- Date
- 03 Aug 2026
- Ownership
- By Jacob DeWitte GRAT No. 3
- Footnotes
- F3
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,583,085
- Date
- 03 Aug 2026
- Ownership
- By the Caroline DeWitte Family Trust
- Footnotes
- F7, F10
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,000,000
- Date
- 03 Aug 2026
- Ownership
- By Caroline DeWitte GRAT No. 2
- Footnotes
- F7, F10
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 474,011
- Date
- 03 Aug 2026
- Ownership
- By Caroline Cochran GRAT No.3
- Footnotes
- F7, F10
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 11 footnotes
Footnote F1
The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.
Footnote F2
The 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 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.
Footnote 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.
Footnote F4
The 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 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.
Footnote F5
The 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 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.
Footnote F6
The 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'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.
Footnote F7
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.
Footnote F8
Represents securities held by the Reporting Person's spouse.
Footnote F9
The 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'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.
Footnote F10
Represents securities beneficially owned by the Reporting Person's spouse.
Footnote F11
The 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'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.