STOCK TITAN

[Form 4] Oklo Inc. Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Oklo (NYSE:OKLO) filed a Form 4 disclosing that Director and 10% owner Michael Klein, through M. Klein Associates and Allies Capital, sold 50,000 common shares on 06/23/2025 at weighted-average prices of $55.2205, $53.7064 and $55.2165, generating roughly $2.75 million in gross proceeds. Klein’s indirect holdings declined from 250,000 to 200,000 shares, a 20% reduction, yet he remains a significant shareholder and board member. No derivative securities were involved, and the filing does not mark the transactions as conducted under a Rule 10b5-1 plan. These insider dispositions may influence investor perception of insider sentiment.

Oklo (NYSE:OKLO) ha presentato un modulo Form 4 comunicando che il Direttore e proprietario del 10% Michael Klein, tramite M. Klein Associates e Allies Capital, ha venduto 50.000 azioni ordinarie il 23/06/2025 a prezzi medi ponderati di 55,2205$, 53,7064$ e 55,2165$, generando circa 2,75 milioni di dollari di ricavi lordi. Le partecipazioni indirette di Klein sono scese da 250.000 a 200.000 azioni, una riduzione del 20%, ma rimane un azionista rilevante e membro del consiglio di amministrazione. Non sono stati coinvolti strumenti derivati e la comunicazione non indica che le transazioni siano state effettuate secondo un piano Rule 10b5-1. Queste cessioni interne potrebbero influenzare la percezione degli investitori riguardo al sentiment degli insider.

Oklo (NYSE:OKLO) presentó un Formulario 4 revelando que el Director y propietario del 10% Michael Klein, a través de M. Klein Associates y Allies Capital, vendió 50,000 acciones ordinarias el 23/06/2025 a precios promedio ponderados de $55.2205, $53.7064 y $55.2165, generando aproximadamente $2.75 millones en ingresos brutos. Las participaciones indirectas de Klein disminuyeron de 250,000 a 200,000 acciones, una reducción del 20%, aunque sigue siendo un accionista importante y miembro del consejo. No se involucraron valores derivados y la presentación no indica que las transacciones se hayan realizado bajo un plan Rule 10b5-1. Estas disposiciones internas pueden influir en la percepción de los inversores sobre el sentimiento de los insiders.

Oklo (NYSE:OKLO)는 이사이자 10% 주주인 Michael Klein이 M. Klein Associates와 Allies Capital을 통해 2025년 6월 23일에 보통주 50,000주를 매도했음을 Form 4를 통해 공시했습니다. 가중평균 가격은 각각 $55.2205, $53.7064, $55.2165였으며, 총 약 275만 달러의 매출을 발생시켰습니다. Klein의 간접 보유 주식은 250,000주에서 200,000주20% 감소했지만 여전히 주요 주주이자 이사회 멤버로 남아 있습니다. 파생상품은 포함되지 않았으며, 해당 거래가 Rule 10b5-1 계획에 따른 것이라는 표시도 없습니다. 이러한 내부자 매도는 투자자들의 내부자 심리 인식에 영향을 미칠 수 있습니다.

Oklo (NYSE:OKLO) a déposé un formulaire 4 révélant que le directeur et détenteur de 10 % Michael Klein, via M. Klein Associates et Allies Capital, a vendu 50 000 actions ordinaires le 23/06/2025 à des prix moyens pondérés de 55,2205 $, 53,7064 $ et 55,2165 $, générant environ 2,75 millions de dollars de recettes brutes. Les participations indirectes de Klein sont passées de 250 000 à 200 000 actions, soit une réduction de 20 %, mais il reste un actionnaire important et membre du conseil d'administration. Aucun instrument dérivé n'était impliqué et le dépôt ne mentionne pas que les transactions ont été effectuées dans le cadre d'un plan Rule 10b5-1. Ces cessions d'initiés pourraient influencer la perception des investisseurs quant au sentiment des initiés.

Oklo (NYSE:OKLO) reichte ein Formular 4 ein, das offenlegt, dass Direktor und 10%-Eigentümer Michael Klein über M. Klein Associates und Allies Capital am 23.06.2025 50.000 Stammaktien verkauft hat, und zwar zu gewichteten Durchschnittspreisen von 55,2205 $, 53,7064 $ und 55,2165 $, wodurch etwa 2,75 Millionen Dollar Bruttoerlös erzielt wurden. Kleins indirekte Beteiligungen sanken von 250.000 auf 200.000 Aktien, eine Reduzierung um 20 %, dennoch bleibt er ein bedeutender Aktionär und Vorstandsmitglied. Es waren keine Derivate involviert, und die Meldung weist nicht darauf hin, dass die Transaktionen unter einem Rule 10b5-1-Plan durchgeführt wurden. Diese Insider-Veräußerungen könnten die Wahrnehmung der Anleger hinsichtlich der Insider-Stimmung beeinflussen.

Positive
  • None.
Negative
  • Director and 10% owner Michael Klein sold 50,000 shares (~20% of his position) for about $2.75 M, a potentially negative insider-sentiment signal.

Insights

TL;DR: $2.75 M insider sale trims stake by 20%; signal skews negative but director still holds 200 k shares.

The aggregate sale of 50,000 shares at ≈$55 each signals a meaningful harvest of liquidity by a key insider, reducing indirect ownership from 250 k to 200 k shares. The dollar amount exceeds $2.7 M and meets the >5% holding threshold, making the transaction material. While Klein remains a 10 % owner, selling one-fifth of his position can be interpreted as waning near-term conviction. Lack of a disclosed 10b5-1 plan leaves open questions about timing discretion. Investors typically view sizeable discretionary sales from governance insiders as a modest negative valuation indicator, though the continuing 200 k-share stake preserves partial alignment with minority holders.

TL;DR: Director-level disposal without 10b5-1 flag may pressure governance optics.

Klein’s role as both director and 10% owner elevates scrutiny. A 20% divestiture in one day, filed jointly by two controlled entities, suggests active portfolio rebalancing rather than routine diversification. Absence of a checked 10b5-1 box implies discretionary timing, potentially heightening perceived information asymmetry risk. However, retaining 200,000 shares keeps his ownership firmly above customary influence thresholds, mitigating fears of strategic disengagement. Boards often monitor large insider sales to ensure they do not conflict with blackout policies; no violations are alleged here. Still, proxy advisors could view the magnitude and immediacy of the sale as a minor governance red flag.

Oklo (NYSE:OKLO) ha presentato un modulo Form 4 comunicando che il Direttore e proprietario del 10% Michael Klein, tramite M. Klein Associates e Allies Capital, ha venduto 50.000 azioni ordinarie il 23/06/2025 a prezzi medi ponderati di 55,2205$, 53,7064$ e 55,2165$, generando circa 2,75 milioni di dollari di ricavi lordi. Le partecipazioni indirette di Klein sono scese da 250.000 a 200.000 azioni, una riduzione del 20%, ma rimane un azionista rilevante e membro del consiglio di amministrazione. Non sono stati coinvolti strumenti derivati e la comunicazione non indica che le transazioni siano state effettuate secondo un piano Rule 10b5-1. Queste cessioni interne potrebbero influenzare la percezione degli investitori riguardo al sentiment degli insider.

Oklo (NYSE:OKLO) presentó un Formulario 4 revelando que el Director y propietario del 10% Michael Klein, a través de M. Klein Associates y Allies Capital, vendió 50,000 acciones ordinarias el 23/06/2025 a precios promedio ponderados de $55.2205, $53.7064 y $55.2165, generando aproximadamente $2.75 millones en ingresos brutos. Las participaciones indirectas de Klein disminuyeron de 250,000 a 200,000 acciones, una reducción del 20%, aunque sigue siendo un accionista importante y miembro del consejo. No se involucraron valores derivados y la presentación no indica que las transacciones se hayan realizado bajo un plan Rule 10b5-1. Estas disposiciones internas pueden influir en la percepción de los inversores sobre el sentimiento de los insiders.

Oklo (NYSE:OKLO)는 이사이자 10% 주주인 Michael Klein이 M. Klein Associates와 Allies Capital을 통해 2025년 6월 23일에 보통주 50,000주를 매도했음을 Form 4를 통해 공시했습니다. 가중평균 가격은 각각 $55.2205, $53.7064, $55.2165였으며, 총 약 275만 달러의 매출을 발생시켰습니다. Klein의 간접 보유 주식은 250,000주에서 200,000주20% 감소했지만 여전히 주요 주주이자 이사회 멤버로 남아 있습니다. 파생상품은 포함되지 않았으며, 해당 거래가 Rule 10b5-1 계획에 따른 것이라는 표시도 없습니다. 이러한 내부자 매도는 투자자들의 내부자 심리 인식에 영향을 미칠 수 있습니다.

Oklo (NYSE:OKLO) a déposé un formulaire 4 révélant que le directeur et détenteur de 10 % Michael Klein, via M. Klein Associates et Allies Capital, a vendu 50 000 actions ordinaires le 23/06/2025 à des prix moyens pondérés de 55,2205 $, 53,7064 $ et 55,2165 $, générant environ 2,75 millions de dollars de recettes brutes. Les participations indirectes de Klein sont passées de 250 000 à 200 000 actions, soit une réduction de 20 %, mais il reste un actionnaire important et membre du conseil d'administration. Aucun instrument dérivé n'était impliqué et le dépôt ne mentionne pas que les transactions ont été effectuées dans le cadre d'un plan Rule 10b5-1. Ces cessions d'initiés pourraient influencer la perception des investisseurs quant au sentiment des initiés.

Oklo (NYSE:OKLO) reichte ein Formular 4 ein, das offenlegt, dass Direktor und 10%-Eigentümer Michael Klein über M. Klein Associates und Allies Capital am 23.06.2025 50.000 Stammaktien verkauft hat, und zwar zu gewichteten Durchschnittspreisen von 55,2205 $, 53,7064 $ und 55,2165 $, wodurch etwa 2,75 Millionen Dollar Bruttoerlös erzielt wurden. Kleins indirekte Beteiligungen sanken von 250.000 auf 200.000 Aktien, eine Reduzierung um 20 %, dennoch bleibt er ein bedeutender Aktionär und Vorstandsmitglied. Es waren keine Derivate involviert, und die Meldung weist nicht darauf hin, dass die Transaktionen unter einem Rule 10b5-1-Plan durchgeführt wurden. Diese Insider-Veräußerungen könnten die Wahrnehmung der Anleger hinsichtlich der Insider-Stimmung beeinflussen.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Klein Michael Stuart

(Last) (First) (Middle)
640 FIFTH AVENUE, 14TH FLOOR

(Street)
NEW YORK NY 10019

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/23/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $0.0001 per share 06/23/2025 S 25,000 D $55.2205(1) 225,000(1) I See footnote(1)
Common Stock, par value $0.0001 per share 06/23/2025 S 12,100 D $53.7064(2) 212,900(2) I See footnote(2)
Common Stock, par value $0.0001 per share 06/23/2025 S 12,900 D $55.2165(3) 200,000(3) I See footnote(3)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
Klein Michael Stuart

(Last) (First) (Middle)
640 FIFTH AVENUE, 14TH FLOOR

(Street)
NEW YORK NY 10019

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
M. Klein Associates, Inc.

(Last) (First) (Middle)
640 FIFTH AVENUE, 14TH FLOOR

(Street)
NEW YORK NY 10019

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. 212,900 of the shares reported (the "Shares") are held of record by M. Klein Associates, Inc. and 12,100 of the Shares are held of record by Allies Capital Corp. Michael Klein is the controlling stockholder of M. Klein Associates, Inc. Michael Klein is the sole stockholder of Allies Capital Corp. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.2165 to $55.2248, 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.
2. The Shares are held of record by M. Klein Associates, Inc. Michael Klein is the controlling stockholder of M. Klein Associates, Inc.
3. The Shares are held of record by M. Klein Associates, Inc. Michael Klein is the controlling stockholder of M. Klein Associates, Inc.
/s/ Michael Klein 06/25/2025
M. Klein Associates, Inc. /s/ Jay Taragin Name: Jay Taragin Title: Authorized Person 06/25/2025
** 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 4 (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.

FAQ

How many OKLO shares did Michael Klein sell on 06/23/2025?

Form 4 shows sales of 50,000 common shares (25,000 + 12,100 + 12,900).

What was the sale price range for Michael Klein’s OKLO shares?

Weighted-average prices were $55.2205, $53.7064 and $55.2165 per share.

How many OKLO shares does Michael Klein own after the transaction?

Klein’s indirect beneficial ownership stands at 200,000 shares following the reported sales.

Did the filing indicate a Rule 10b5-1 trading plan for the sale?

The Form 4 does not show the Rule 10b5-1 checkbox as selected; no plan is indicated.

What percentage of Klein’s previous OKLO holdings was sold?

His stake declined from 250,000 to 200,000 shares—approximately a 20% reduction.
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