Key facts
- This page summarizes Caroline Cochran's Form 4 filing for Oklo Inc. (OKLO).
- 8 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 16 Mar 2026, 18:15.
Caroline Cochran - 12 Mar 2026 Form 4 Insider Report for Oklo Inc. (OKLO)
- Reporting relationship
- Co-Founder, COO, Director, 10%+ Owner
- Issuer ticker
- OKLO
- Reported as of
- 12 Mar 2026
- Net transaction value
- -$7,067,280
- SEC form
- 4
- Accepted by SEC
- 16 Mar 2026, 18:15:38 UTC
- Prior SEC filing
- 04 Mar 2026
- Next SEC filing
- 01 Apr 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.
5 source fields
Reporting owner
1 detail
Key filing fact
Caroline Cochran filed Form 4 for Oklo Inc. (OKLO) on 16 Mar 2026.
Change
- Previous filing in this sequence was filed on 04 Mar 2026.
- Current net transaction value: -$7,067,280.
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 0002021786
Primary reporting owner
Cochran Caroline
- Relationship
- Co-Founder, COO, Director, 10%+ Owner
- Address
- C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA
- Signature
- /s/ Richard Craig Bealmear, Attorney-in-Fact
- Signature date
- 16 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
OKLO
transaction
Class A Common Stock
Options Exercise
- Transaction value
- Shares
- +78,652
- Change %
- +12%
- Price
- $59.59*
- Shares after
- 757,676
- Date
- 12 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
OKLO
transaction
Class A Common Stock
Options Exercise
- Transaction value
- Shares
- +5,191
- Change %
- +0.69%
- Price
- $59.59*
- Shares after
- 762,867
- Date
- 12 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $2,689,680
- Shares
- -44,828
- Change %
- -5.9%
- Price
- $60.00
- Shares after
- 718,039
- Date
- 13 Mar 2026
- Ownership
- Direct
- Footnotes
- F1, F2
OKLO
transaction
Class A Common Stock
Options Exercise
- Transaction value
- Shares
- +112,360
- Change %
- +16%
- Price
- $59.59*
- Shares after
- 800,556
- Date
- 12 Mar 2026
- Ownership
- By Jacob DeWitte
- Footnotes
- F3
OKLO
transaction
Class A Common Stock
Options Exercise
- Transaction value
- Shares
- +23,937
- Change %
- +3%
- Price
- $59.59*
- Shares after
- 824,493
- Date
- 12 Mar 2026
- Ownership
- By Jacob DeWitte
- Footnotes
- F3
OKLO
transaction
Class A Common Stock
Sale
- Transaction value
- $4,377,600
- Shares
- -72,960
- Change %
- -8.8%
- Price
- $60.00
- Shares after
- 751,533
- Date
- 13 Mar 2026
- Ownership
- By Jacob DeWitte
- Footnotes
- F3, F4
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,310,000
- Date
- 12 Mar 2026
- Ownership
- By Caroline Cochran GRAT
- Footnotes
- F1
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,000,000
- Date
- 12 Mar 2026
- Ownership
- By Caroline DeWitte GRAT No. 2
- Footnotes
- F1
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,583,085
- Date
- 12 Mar 2026
- Ownership
- By the Caroline DeWitte Family Trust
- Footnotes
- F1
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,310,000
- Date
- 12 Mar 2026
- Ownership
- By Jacob DeWitte GRAT
- Footnotes
- F5
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,000,000
- Date
- 12 Mar 2026
- Ownership
- By Jacob DeWitte GRAT No. 2
- Footnotes
- F5
OKLO
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 7,851,901
- Date
- 12 Mar 2026
- Ownership
- By the Jacob DeWitte Family Trust
- Footnotes
- F5
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
OKLO
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -78,652
- Change %
- -40%
- Price
- $0.000000*
- Shares after
- 117,977
- Date
- 12 Mar 2026
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 78,652
- Exercise price
- Footnotes
- F6, F7
OKLO
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -5,191
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 10,383
- Date
- 12 Mar 2026
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 5,191
- Exercise price
- Footnotes
- F8, F9
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 9 footnotes
Footnote F1
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 F2
Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the RSUs listed in Table II. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.
Footnote F3
Represents securities held by the Reporting Person's spouse.
Footnote F4
Represents the number of shares sold by the Reporting Person's spouse to cover tax withholding obligations in connection with the vesting and settlement of the RSUs listed in Table II. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person's spouse.
Footnote F5
Represents securities beneficially owned by the Reporting Person's spouse.
Footnote F6
Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. On March 12, 2026, 112,360 and 78,652 restricted stock units were released to Mr. DeWitte and Ms. Cochran, respectively.
Footnote F7
The RSUs vest in 12 substantially equal quarterly installments beginning on August 9, 2024.
Footnote F8
Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. On March 12, 2026, 23,937 and 5,191 RSUs were released to Mr. DeWitte and Ms. Cochran, respectively.
Footnote F9
On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.