Key facts
- This page summarizes Michael Stuart Klein's Form 4 filing for Oklo Inc. (OKLO).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 24 Sep 2025, 20:36.
Michael Stuart Klein - 22 Sep 2025 Form 4 Insider Report for Oklo Inc. (OKLO)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- OKLO
- Reported as of
- 22 Sep 2025
- Net transaction value
- -$6,687,912
- SEC form
- 4
- Accepted by SEC
- 24 Sep 2025, 20:36:22 UTC
- Prior SEC filing
- 18 Jul 2025
- Next SEC filing
- 16 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- M. Klein Associates, Inc. /s/ Jay Taragin Name: Jay Taragin Title: Authorized Person
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael Stuart Klein filed Form 4 for Oklo Inc. (OKLO) on 24 Sep 2025.
Change
- Previous filing in this sequence was filed on 18 Jul 2025.
- Current net transaction value: -$6,687,912.
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 0001327392
Primary reporting owner
Klein Michael Stuart
- Relationship
- Director, 10%+ Owner
- Address
- 640 FIFTH AVENUE, 14TH FLOOR, NEW YORK
- Signature
- M. Klein Associates, Inc. /s/ Jay Taragin Name: Jay Taragin Title: Authorized Person
- Signature date
- 24 Sep 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
OKLO
transaction
Common Stock, par value $0.0001 per share
Sale
- Transaction value
- $5,335,912
- Shares
- -40,000
- Change %
- -20%
- Price
- $133.40
- Shares after
- 160,000
- Date
- 22 Sep 2025
- Ownership
- See Footnote
- Footnotes
- F1
OKLO
transaction
Common Stock, par value $0.0001 per share
Sale
- Transaction value
- $1,352,000
- Shares
- -10,000
- Change %
- -6.2%
- Price
- $135.20
- Shares after
- 150,000
- Date
- 22 Sep 2025
- Ownership
- See Footnote
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
The shares are held of record by M. Klein Associates, Inc. Michael Klein is the controlling stockholder of M. Klein Associates, Inc. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.255 to $133.57, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, 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.
Footnote F2
The shares are held of record by M. Klein Associates, Inc. Michael Klein is the controlling stockholder of M. Klein Associates, Inc.