Oklo director reports initial 100-share holding

Oklo Inc. director Mark T. Peters filed an initial ownership report showing indirect holdings of the company’s stock.

Rhea-AI Filing Summary

Oklo Inc. director Mark T. Peters filed an initial ownership report showing indirect holdings of the company’s stock. The filing lists beneficial ownership of 100 shares of Class A Common Stock, held indirectly through The Peters Family Trust. It is a holdings disclosure, not a new buy or sell transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Peters Mark T

Role Director

Type	Security	Shares	Price	Value
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 100 shares (Indirect, The Peters Family Trust)

Key Figures

Indirectly held shares: 100 shares

1 metrics

Indirectly held shares 100 shares Class A Common Stock held via The Peters Family Trust

Key Terms

Form 3, Class A Common Stock, indirect ownership, The Peters Family Trust

4 terms

Form 3 regulatory

"Mark T. Peters filed a Form 3 as an initial ownership report"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

Class A Common Stock financial

"The filing lists 100 shares of Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

indirect ownership financial

"Ownership of the 100 shares is reported as indirect"

The Peters Family Trust financial

"The Peters Family Trust is identified as the indirect holder"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Oklo (OKLO) director Mark T. Peters report in this Form 3?

Mark T. Peters reports his initial beneficial ownership in Oklo. The Form 3 lists 100 shares of Class A Common Stock held indirectly through The Peters Family Trust, establishing a baseline of his reported holdings as a company director.

How many Oklo (OKLO) shares does Mark T. Peters report owning?

He reports beneficial ownership of 100 shares of Oklo Class A Common Stock. These shares are not held directly in his name but are attributed to him through The Peters Family Trust, which is identified as the indirect owner in the filing.

Are the Oklo (OKLO) shares held directly or indirectly by Mark T. Peters?

The shares are held indirectly. The Form 3 specifies that 100 shares of Class A Common Stock are owned through The Peters Family Trust, and ownership is coded as indirect, reflecting that the trust, not Peters personally, is the direct holder.

Does this Oklo (OKLO) Form 3 show any recent insider buying or selling?

No, the Form 3 does not show any recent insider buying or selling. It is an initial statement of beneficial ownership, listing 100 indirectly held shares, rather than a record of new purchase or sale transactions in Oklo stock.

What is the purpose of Mark T. Peters’ Form 3 for Oklo (OKLO)?

The purpose is to disclose his initial beneficial ownership as a director of Oklo. By reporting 100 indirectly held Class A shares through The Peters Family Trust, the filing establishes a public record of his starting equity position in the company.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/20/2026 - 05:36 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Peters Mark T

(Last) (First) (Middle)

C/O OKLO INC.

3190 CORONADO DR

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/10/2026

3. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock	100	I	The Peters Family Trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	04/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)