Jacob DeWitte - 07 Jan 2026 Form 4 Insider Report for Oklo Inc. (OKLO)

Reporting relationship: Co-Founder, CEO, Director, 10%+ Owner
Issuer ticker: OKLO
Reported as of: 07 Jan 2026
Net transaction value: -$32,481,836
SEC form: 4
Accepted by SEC: 09 Jan 2026, 18:02:23 UTC
Prior SEC filing: 06 Jan 2026
Next SEC filing: 13 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard Craig Bealmear, Attorney-in-Fact

Filing notes and source

Key filing fact

Jacob DeWitte filed Form 4 for Oklo Inc. (OKLO) on 09 Jan 2026.

Key facts

This page summarizes Jacob DeWitte's Form 4 filing for Oklo Inc. (OKLO).
20 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Jan 2026, 18:02.

Change

Previous filing in this sequence was filed on 06 Jan 2026.
Current net transaction value: -$32,481,836.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

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: 09 Jan 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: $292,710
Shares: -3,121
Change %: -0.34%
Price: $93.79
Shares after: 925,076
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F2

OKLO transaction

Class A Common Stock

Sale

Transaction value: $114,749
Shares: -1,214
Change %: -0.13%
Price: $94.52
Shares after: 923,862
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F3

OKLO transaction

Class A Common Stock

Sale

Transaction value: $420,096
Shares: -4,387
Change %: -0.47%
Price: $95.76
Shares after: 919,475
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F4

OKLO transaction

Class A Common Stock

Sale

Transaction value: $543,919
Shares: -5,608
Change %: -0.61%
Price: $96.99
Shares after: 913,867
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F5

OKLO transaction

Class A Common Stock

Sale

Transaction value: $3,386,036
Shares: -34,580
Change %: -3.8%
Price: $97.92
Shares after: 879,287
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F6

OKLO transaction

Class A Common Stock

Sale

Transaction value: $3,505,577
Shares: -35,498
Change %: -4%
Price: $98.75
Shares after: 843,789
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F7

OKLO transaction

Class A Common Stock

Sale

Transaction value: $755,794
Shares: -7,597
Change %: -0.9%
Price: $99.49
Shares after: 836,192
Date: 07 Jan 2026
Ownership: Direct
Footnotes: F1, F8

OKLO transaction

Class A Common Stock

Sale

Transaction value: $125,500
Shares: -1,255
Change %: -0.15%
Price: $100.00
Shares after: 834,937
Date: 08 Jan 2026
Ownership: Direct
Footnotes: F1

OKLO transaction

Class A Common Stock

Sale

Transaction value: $6,986,517
Shares: -69,826
Change %: -4.7%
Price: $100.06
Shares after: 1,410,174
Date: 07 Jan 2026
Ownership: By Jacob DeWitte GRAT
Footnotes: F1, F9

OKLO transaction

Class A Common Stock

Sale

Transaction value: $110,019
Shares: -1,100
Change %: -0.08%
Price: $100.02
Shares after: 1,409,074
Date: 08 Jan 2026
Ownership: By Jacob DeWitte GRAT
Footnotes: F1, F10

OKLO transaction

Class A Common Stock

Sale

Transaction value: $292,710
Shares: -3,121
Change %: -0.34%
Price: $93.79
Shares after: 915,902
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F2, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $114,749
Shares: -1,214
Change %: -0.13%
Price: $94.52
Shares after: 914,688
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F3, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $420,000
Shares: -4,386
Change %: -0.48%
Price: $95.76
Shares after: 910,302
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F4, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $544,016
Shares: -5,609
Change %: -0.62%
Price: $96.99
Shares after: 904,693
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F5, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $3,385,938
Shares: -34,579
Change %: -3.8%
Price: $97.92
Shares after: 870,114
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F6, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $3,505,675
Shares: -35,499
Change %: -4.1%
Price: $98.75
Shares after: 834,615
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F7, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $755,694
Shares: -7,596
Change %: -0.91%
Price: $99.49
Shares after: 827,019
Date: 07 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F8, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $125,500
Shares: -1,255
Change %: -0.15%
Price: $100.00
Shares after: 825,764
Date: 08 Jan 2026
Ownership: By Caroline Cochran
Footnotes: F1, F11

OKLO transaction

Class A Common Stock

Sale

Transaction value: $6,986,617
Shares: -69,827
Change %: -4.7%
Price: $100.06
Shares after: 1,410,173
Date: 07 Jan 2026
Ownership: By Caroline Cochran GRAT
Footnotes: F1, F9, F12

OKLO transaction

Class A Common Stock

Sale

Transaction value: $110,019
Shares: -1,100
Change %: -0.08%
Price: $100.02
Shares after: 1,409,073
Date: 08 Jan 2026
Ownership: By Caroline Cochran GRAT
Footnotes: F1, F10, F12

OKLO holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,851,901
Date: 07 Jan 2026
Ownership: By the Jacob DeWitte Family Trust

OKLO holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,000,000
Date: 07 Jan 2026
Ownership: By Jacob DeWitte GRAT No. 2

OKLO holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,583,085
Date: 07 Jan 2026
Ownership: By the Caroline DeWitte Family Trust
Footnotes: F12

OKLO holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,000,000
Date: 07 Jan 2026
Ownership: By Caroline DeWitte GRAT No. 2
Footnotes: F12

^* 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 12 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 $93.15 - $94.14, 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

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.19 - $94.97, 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 F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.24 - $96.24, 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 $96.28 - $97.28, 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 $97.29 - $98.29, 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 F7

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.30 - $99.30, 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 F8

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.31 - $99.70, 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 F9

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.70 - $100.48, 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 F10

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.00 - $100.11, 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 F11

Represents securities held by the Reporting Person's spouse.

Footnote F12

Represents securities beneficially owned by the Reporting Person's spouse.