OKLO (NYSE: OKLO) affiliate reports multiple Rule 144 Class A sales in Mar–Apr 2026

Rhea-AI Filing Summary

OKLO reported notifications of proposed sales under Rule 144 for Class A shares by an affiliate. The filings list multiple dispositions in February–April 2026, including 16,257 shares on 03/02/2026 for $975,420 and 72,090 shares on 03/13/2026 for $4,325,320.70. The notice references options granted 12/23/2023 and lists Fidelity Brokerage Services LLC as the broker.

Key Figures

Sale on 03/13/2026: 72,090 shares Proceeds on 03/13/2026: $4,325,320.70 Sale on 03/02/2026: 16,257 shares +5 more

8 metrics

Sale on 03/13/2026 72,090 shares reported sale date 03/13/2026

Proceeds on 03/13/2026 $4,325,320.70 gross proceeds reported for 72,090 shares

Sale on 03/02/2026 16,257 shares reported sale date 03/02/2026

Proceeds on 03/02/2026 $975,420.00 gross proceeds reported for 16,257 shares

Sale on 02/02/2026 9,726 shares reported sale date 02/02/2026

Proceeds on 02/02/2026 $748,216.32 gross proceeds reported for 9,726 shares

Options grant date 12/23/2023 options granted referenced as acquisition source

Broker Fidelity Brokerage Services LLC listed broker for the Class A securities

Key Terms

Rule 144 / Form 144, Options Granted 12/23/2023, Class A, Gross proceeds

4 terms

Rule 144 / Form 144 regulatory

"Securities Sold During The Past 3 Months"

Options Granted 12/23/2023 financial

"Class A | 04/01/2026 | Options Granted 12/23/2023"

Class A market

"Class A | Fidelity Brokerage Services LLC 900 Salem Street"

Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.

Gross proceeds financial

"16257 | 975420.00"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	16342	834749.36	173568788	04/01/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A	04/01/2026	Options Granted 12/23/2023	Issuer			16342	04/01/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/02/2026	16257	975420.00
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	02/02/2026	9726	748216.32
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/13/2026	72090	4325320.70

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does OKLO's Form 144 disclosure mean?

It notifies the SEC of proposed sales of restricted or affiliate Class A shares. The filing lists specific sale dates, share counts, and gross proceeds so brokers and the market can note planned dispositions.

How many shares did the Form 144 list for the March 13, 2026 sale?

The filing lists 72,090 shares sold on 03/13/2026 for $4,325,320.70. This line shows the transaction date, share count, and reported gross proceeds for that disposition.

Who is the broker handling the reported OKLO sales?

The filing names Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, as the broker. The broker is recorded alongside the Class A securities and sale notifications.

Does the Form 144 show how the shares were acquired?

Yes; the notice references Options Granted 12/23/2023 as the acquisition source for the Class A shares. That indicates the shares arise from option exercises tied to that grant date.