OKLO Form 4 Filings

Oklo Inc. General Counsel & Secretary Vivek Narayanadas sold 2,359 Class A common shares at $27.63 per share on October 19, 2026. The sale was to satisfy tax-withholding obligations through a sell-to-cover transaction under a Rule 10b5-1 plan established April 2, 2026; the footnote says it was not discretionary.

On October 17, 2026, 4,400 restricted stock units vested and converted into 4,400 Class A common shares. The reported RSU balance following that transaction was 42,234.

Oklo Inc. Chief of Staff John Hanson reported the distribution of 961 restricted stock units on October 13, 2026, and acquired 961 Class A common shares in the corresponding transaction. Afterward, his reported direct holdings were 52,101 restricted stock units and 362,311 Class A common shares. The units came from a 57,665-RSU grant made March 13, 2025.

Oklo Inc. Chief Product Officer Alexandra Renner had 1,521 restricted stock units distributed on October 13, 2026, resulting in 1,521 Class A common shares. On October 14, she sold 688 shares at $30.75 per share to cover tax withholding tied to the RSUs; the sale was described as non-discretionary. No Rule 10b5-1 plan is reported.

After the distribution, Renner reported 125,650 RSUs. She also reported 116,390 Class A shares held indirectly in a joint account with her spouse.

Oklo Inc. General Counsel & Secretary Vivek Narayanadas reported that 687 restricted stock units vested and settled into 687 Class A shares on October 8, 2026. On October 9, he sold 364 Class A shares at $34.69 per share to cover tax withholding; the sale was a non-discretionary sell-to-cover transaction under a Rule 10b5-1 plan. His reported RSU balance after vesting was 46,634, and 5,000 Class A shares were held indirectly in a joint account with his spouse.

Oklo Inc. General Counsel & Secretary Vivek Narayanadas sold 288 shares of Class A common stock at $37.29 per share on October 6, 2026, to cover tax withholding obligations tied to RSU vesting and settlement. The sale was described as non-discretionary and reported under a Rule 10b5-1 plan. He held 8,446 shares directly afterward and reported 5,000 shares indirectly in a joint account with his spouse.

Oklo Inc. General Counsel & Secretary Vivek Narayanadas reported vesting of 1,014 restricted stock units on October 3, 2026, settling into Class A common shares; the reported RSU position after the transaction was 47,321. On October 5, he sold 649 shares at $35.93 per share to cover tax withholding obligations tied to the RSU vesting and settlement; the sale was not discretionary. No Rule 10b5-1 plan is reported. He also reported 5,000 shares held indirectly in a joint account with his spouse.

Oklo Inc. director and Co-Founder, COO Caroline Cochran reported sales of Class A common stock on October 1, 2026: 40,000 shares held directly at a weighted-average price of $36.64 and 20,000 shares held by Caroline Cochran GRAT at $37.07. Shares held by her spouse, Jacob DeWitte, were sold in two additional transactions: 40,000 at $36.19 and 20,000 through Jacob DeWitte GRAT at $36.34. Each reported price is a weighted average.

After the sales, reported positions were 358,039 shares held directly by Cochran, 509,479 by Caroline Cochran GRAT, 391,533 held by Jacob DeWitte, and 476,483 by Jacob DeWitte GRAT. All sales were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

Oklo Inc. Co-Founder and CEO Jacob DeWitte reported four sales of Class A Common Stock on October 1, 2026: 40,000 shares directly at a weighted average price of $36.19 per share; 20,000 through Jacob DeWitte GRAT at $36.34; 40,000 held by his spouse, Caroline Cochran, at $36.64; and 20,000 through Caroline Cochran GRAT at $37.07. All four sales were made under a Rule 10b5-1 plan adopted on March 31, 2025. Reported post-transaction positions were 391,533 shares directly for DeWitte, 476,483 in Jacob DeWitte GRAT, 358,039 held by Caroline Cochran, and 509,479 in Caroline Cochran GRAT.

Oklo Inc. Chief Financial Officer Richard Craig Bealmear exercised stock options to acquire 16,477 shares on October 1, 2026, at a $3.18 exercise price, then sold those shares that day at $36.87 per share. The sale was made under a Rule 10b5-1 plan adopted September 22, 2025. On October 2, he exercised options to acquire another 5,619 shares at $3.18 per share. The options expire December 22, 2033; the reported vesting schedule provides for 20% of the underlying shares to vest on August 1, 2024, with continued vesting in 48 substantially equal monthly installments.

Oklo Inc. Chief of Staff John Hanson reported that 2,059 restricted stock units vested and settled into 2,059 Class A common shares on September 26, 2026; 53,062 RSUs followed the transaction. On September 28, he sold 1,100 shares at $37.39 per share to cover tax withholding obligations. The sale was described as non-discretionary.

Oklo Inc. Chief Product Officer Alexandra Renner received 2,471 shares of Class A common stock when 2,471 restricted stock units vested on September 26, 2026. She sold 1,100 shares on September 28, 2026, at $37.39 per share to satisfy tax withholding obligations; the sale was a sell-to-cover transaction and was not discretionary. Her reported post-transaction position was 127,171 RSUs, and she also reported 116,390 Class A shares held indirectly in a joint account with her spouse.

Oklo Inc. Chief Strategy Officer William Carroll Murphy Goodwin reported that 3,294 restricted stock units vested in full on September 26, 2026, settling in 3,294 shares of Class A common stock. On September 28, he sold 1,775 shares at $37.39 per share to cover tax withholding tied to the vesting and settlement; the sale was not discretionary. The RSU transaction entry reports 94,593 RSUs following the transaction.

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner made a bona fide gift of 6,763 shares of Class A Common Stock on September 14, 2026. The gifted shares were held indirectly in a joint account with her spouse and were donated to National Philanthropic Trust to be held in a donor-advised fund.

After this charitable transfer, she reports 116,390 Class A shares held indirectly through the joint account and 476,224 Class A shares held directly.

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner settled 1,202 Restricted Stock Units into an equal number of shares of Class A Common Stock on September 13, 2026, as part of a previously granted equity award. This transaction was an exercise of RSUs rather than an open-market trade and no Rule 10b5-1 trading plan is reported. After the settlement, she holds 476,224 Class A Common shares directly, 123,153 shares in a joint account with her spouse, and 129,642 RSUs remaining from a March 13, 2025 grant of 51,659 RSUs that vest over time.

Oklo Inc. director John M. Jansen reported selling 6,354 shares of Class A Common Stock on September 14, 2026 in an open market or private transaction at $36.67 per share. After this sale, he directly holds 6,000 shares, and no Rule 10b5-1 trading plan is reported.

Oklo Inc. insider John Hanson, the company’s Chief of Staff, exercised 961 Restricted Stock Units into 961 shares of Class A Common Stock on September 13, 2026. Following the transaction, he held 360,391 Class A shares and 55,121 RSUs directly. No Rule 10b5-1 trading plan is reported.

Oklo Inc. (OKLO) reported that its General Counsel & Secretary, Vivek Narayanadas, exercised restricted stock units into common shares. On September 11, 2026, 210 RSUs vested and were converted into 210 shares of Class A Common Stock at $0.00 per share. Following these transactions, he holds 8,369 Class A shares directly, 5,000 Class A shares indirectly through a joint account with his spouse, and 48,335 RSUs representing contingent rights to receive an equal number of Class A shares.

Oklo Inc. (OKLO) reported that General Counsel & Secretary Narayanadas Vivek sold 365 shares of Class A Common Stock on September 9, 2026 at $43.31 per share. According to the company’s disclosure, this was a “sell to cover” tax withholding transaction in connection with vesting and settlement of restricted stock units and did not represent a discretionary trade by Vivek. The transaction was carried out under a Rule 10b5-1 trading plan. After the sale, Vivek holds 8,159 shares directly and an additional 5,000 shares indirectly through a joint account with his spouse.

Oklo Inc. (OKLO) insider Vivek Narayanadas, General Counsel & Secretary, reported selling 238 shares of Class A Common Stock on September 8, 2026 at $42.06 per share. A footnote states the shares were sold under a "sell to cover" arrangement solely to satisfy tax withholding obligations from RSU vesting and were not a discretionary trade. The filing affirms the transaction was made under a Rule 10b5-1 trading plan. After this sale, Narayanadas holds 8,524 shares directly and 5,000 shares indirectly through a joint account with his spouse.

Oklo Inc. (OKLO) reported that its General Counsel & Secretary, Narayanadas Vivek, had restricted stock units vest and be settled into a total of 1,701 shares of Class A Common Stock on September 3 and September 8, 2026. In connection with these RSU settlements, 538 shares were sold at $39.88 per share to cover tax withholding through a "sell to cover" transaction, which the footnote states was not a discretionary sale. The filing also reports 5,000 shares of Class A Common Stock held indirectly in a joint account with a spouse, and states that the transactions were made under a Rule 10b5-1 trading plan.

Oklo Inc. (OKLO) reports that its Chief Financial Officer, Richard Craig Bealmear, exercised stock options for a total of 22,096 shares of Class A Common Stock at an exercise price of $3.18 per share on September 1 and 2, 2026. On September 1, 2026, he sold 16,430 shares at a weighted average price of $38.76 per share, in transactions within a price range of $38.75 to $38.83, pursuant to a Rule 10b5-1 plan adopted on September 22, 2025. The options exercised derive from a grant that vested 20% on August 1, 2024 and continues to vest in 48 substantially equal monthly installments thereafter.

Oklo Inc. (OKLO) disclosed that Chief Product Officer Alexandra Renner reported a sale of 1,930 shares of Class A Common Stock on September 1, 2026 at $38.40 per share. According to the company’s disclosure, the shares were sold under a “sell to cover” arrangement solely to satisfy tax withholding obligations on vesting RSUs and are described as non-discretionary. Following this transaction, Renner directly holds 475,022 shares of Oklo common stock.

Oklo Inc. (OKLO) director, officer and more-than-10% shareholder Caroline Cochran reported multiple sales of Class A common stock on September 1, 2026, totaling 120,000 shares, with reported weighted-average sale prices ranging from $38.08 to $39.15, pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025.

After these transactions, Cochran reported 398,039 shares held directly, and additional indirect holdings through a grantor retained annuity trust in her name, through her spouse, and through her spouse’s grantor retained annuity trust, as well as large positions held by related family trusts and additional grantor retained annuity trusts.

Oklo Inc. (OKLO) reports that co‑founder, CEO and director Jacob DeWitte, a more than 10% owner, sold a total of 120,000 shares of Class A Common Stock on September 1, 2026 in open‑market transactions at prices around $38–$39 per share. The sales were made from his direct account, a grantor retained annuity trust in his name, and accounts associated with his spouse, pursuant to a Rule 10b5‑1 trading plan adopted on March 31, 2025. After these sales, he reports 431,533 shares held directly and additional indirect holdings, including 7,851,901 shares held by the Jacob DeWitte Family Trust and 7,583,085 shares held by the Caroline DeWitte Family Trust.

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner exercised 4,173 Restricted Stock Units on August 31, 2026, receiving an equal number of Class A Common Stock shares. Following this, she directly holds 47,,001 RSU-related shares and 476,952 Class A shares, plus 123,153 Class A shares held indirectly in a joint account with her spouse. The RSUs are part of a 52,174-unit grant awarded June 22, 2026, which began vesting August 27, 2026 and continues in 12 substantially equal quarterly installments.

Oklo Inc. (OKLO) officer Vivek Narayanadas, General Counsel & Secretary, reported selling 223 shares of Class A Common Stock on 2026-08-25 at $40.80 per share. According to the footnote, the sale was a non-discretionary "sell to cover" for tax withholding on RSU vesting. Following this, he held 7,599 shares directly and 5,000 shares indirectly through a joint account with his spouse. The filing affirms use of a Rule 10b5-1 plan.

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner sold 557 shares of Class A Common Stock on 2026-08-24 at $39.77 per share. A footnote states this was a "sell to cover" transaction to satisfy tax withholding on vesting RSUs and was not a discretionary sale. Following the transaction, Renner held 472,779 shares directly and 123,153 shares indirectly through a joint account with her spouse.

Oklo Inc. (OKLO) reported that officer John Hanson, Chief of Staff, had 539 shares of Class A Common Stock sold on 2026-08-24 at $39.77 per share. According to a footnote, this was a sell-to-cover transaction to satisfy tax withholding on RSU vesting and was not a discretionary sale. Following this transaction, Hanson directly holds 359,430 shares of Oklo Class A Common Stock.

Oklo Inc. (OKLO) reported an insider transaction by William Carroll Murphy, its Chief Legal & Strategy Officer. On August 24, 2026, he sold 11,592 shares of Class A Common Stock at $39.77 per share. According to the company disclosure, this sale was solely to cover tax withholding obligations related to the vesting and settlement of RSUs under a "sell to cover" arrangement and is described as not being a discretionary transaction by the reporting person. After this transaction, he directly holds 45,268 shares of Oklo Class A Common Stock.

Oklo Inc. (OKLO) reported that General Counsel & Secretary Vivek Narayanadas exercised and settled 4,806 Restricted Stock Units into the same number of Class A Common shares on August 21, 2026, as part of a February 3, 2025 RSU grant. Following this vesting, he holds 13,449 RSUs directly and 5,000 Class A shares indirectly through a joint account with his spouse. On August 24, 2026, he sold 3,264 Class A shares at $39.77 per share in a transaction used to cover tax withholding obligations via a “sell to cover” arrangement, described as non-discretionary, and the filing affirms use of a Rule 10b5-1 trading plan.

Oklo Inc. officer Alexandra Renner, Chief Product Officer, reported the vesting and settlement of 1,201 Restricted Stock Units (RSUs) into an equal number of shares of Class A Common Stock on August 13, 2026. Following this RSU conversion, she directly holds 473,336 shares of Class A Common Stock and 51,659 RSUs, plus an additional 123,153 shares held indirectly through a joint account with her spouse.

The vested RSUs are part of a prior grant of 72,081 RSUs awarded on March 13, 2025, which vests 20% of the underlying shares on March 13, 2026 and continues vesting thereafter in 48 substantially equal monthly installments.

Oklo Inc. officer John Hanson reported the vesting and conversion of 961 Restricted Stock Units (RSUs) into 961 shares of Class A Common Stock on August 13, 2026. Following this RSU conversion, he holds 41,327 RSUs and 359,969 shares of Class A Common Stock directly. These RSUs are part of a March 13, 2025 grant of 57,665 RSUs that vest 20% on March 13, 2026 and the remainder in 48 substantially equal monthly installments.

Oklo Inc. reported that Chief Legal & Strategy Officer William Carroll Murphy exercised 20,685 Restricted Stock Units on August 12, 2026, converting them into 20,685 shares of Class A Common Stock. These RSUs are part of a 248,227-unit grant awarded on August 12, 2024, which vests 20% after one year and then in 24 substantially equal monthly installments. Following this vesting, Murphy directly holds 56,860 shares of Class A Common Stock and 125,207 RSUs that remain outstanding.

Oklo Inc. Chief Financial Officer Richard Craig Bealmear reported option-related transactions in Class A Common Stock. On August 3, 2026, he exercised stock options for 16,452 shares at an exercise price of $3.18 per share and sold 16,452 shares at $38.80 per share under a Rule 10b5-1 trading plan adopted on September 22, 2025. On August 4, 2026, he exercised additional stock options for 5,644 shares at $3.18 per share, with no sale reported for that lot.

Oklo Inc. reporting person Vivek Narayanadas, General Counsel & Secretary, had 1,014 restricted stock units vest and settle into an equal number of Class A Common shares on August 3, 2026 at $0.00 per share. After this vesting, he holds 6,280 Class A shares directly, 5,000 shares indirectly through a joint account with his spouse, and 18,255 RSUs remaining from his prior grant.

Co‑founder and COO Caroline Cochran, a director and more‑than‑10% owner of Oklo Inc., reported selling 120,000 shares of Class A common stock on August 3, 2026. The sales, executed directly and through GRATs and family holdings associated with her and her spouse, occurred at weighted‑average prices between $38.10 and $42.03 per share and were made under a Rule 10b5‑1 trading plan adopted March 31, 2025. After these transactions she continues to hold direct and indirect positions, including 438,039 shares held directly and additional interests through family trusts and GRATs.

Oklo Inc. co-founder and CEO Jacob DeWitte reported Rule 10b5-1 plan sales totaling 120,000 shares of Class A Common Stock on August 3, 2026. The transactions included a direct sale of 40,000 shares at a weighted average price of $41.68, leaving 471,533 shares held directly. Additional sales came from shares held through a Jacob DeWitte GRAT and securities held or beneficially owned by his spouse, via GRATs and personal holdings, at weighted average prices within ranges from $38.10 to $42.03. Indirect positions after these transactions include 7,851,901 shares held by the Jacob DeWitte Family Trust and 7,583,085 shares held by the Caroline DeWitte Family Trust, along with several GRATs each holding between 474,011 and 1,000,000 shares.

Oklo Inc. Chief Financial Officer Richard Craig Bealmear reported an exercise-and-sell transaction in company stock. On July 1, 2026, he exercised stock options to acquire 16,321 shares of Class A Common Stock at $3.18 per share, then sold 16,321 shares at $52.63 per share in an open-market transaction pursuant to a Rule 10b5-1 trading plan adopted on September 22, 2025.

On July 2, 2026, he exercised additional options for 5,775 shares at $3.18 per share and retained those shares. Following these transactions, he directly holds 450,332 shares of Class A Common Stock and 658,211 stock options that are exercisable into Class A shares, with the reported option grant vesting 20% on August 1, 2024 and the remainder in 48 monthly installments through its December 22, 2033 expiration.

Oklo Inc. director and Co-Founder/CEO Jacob DeWitte reported open‑market sales of Class A Common Stock by entities associated with him and his spouse. On July 1, 2026, a total of 200,000 shares were sold in four transactions at reported weighted average prices between about $51.52 and $54.30, including 40,000 shares at $53.28, 60,000 at $52.30, 40,000 at $53.71, and 60,000 at $52.80. The filing notes these sales were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025. After these transactions, various indirect holdings show balances such as 569,479 shares held by a Caroline Cochran GRAT and 511,533 shares held directly by DeWitte, alongside multi‑million‑share family trusts.

Oklo Inc. Co-Founder and COO Caroline Cochran reported pre-planned sales of 200,000 shares of Class A Common Stock on July 1, 2026. The transactions, executed by GRATs, family trusts and spouse-related accounts, were open-market sales at prices around the low-to-mid $50s per share.

A Rule 10b5-1 trading plan adopted on March 31, 2025 governed the sales, indicating they were scheduled in advance. After the trades, reported positions remained sizable, including 536,483 shares in one Jacob DeWitte GRAT, 569,479 shares in a Caroline Cochran GRAT and 478,039 shares in an account reported as held by her spouse.

Kan Derek T. reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director Derek T. Kan received a grant of 3,213 Restricted Stock Units (RSUs), each representing one share of Class A Common Stock. These RSUs vest in full on June 3, 2027, meaning the shares are delivered only if the vesting conditions are met.

Following this award, Kan holds 7,912 RSUs in total. This is a compensation-related equity grant, not an open‑market stock purchase or sale, and therefore does not reflect a trading decision based on Oklo’s share price.

CHRISTIAN DAVID A reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director David A. Christian received a grant of 3,213 Restricted Stock Units, each representing a contingent right to one share of Class A Common Stock. These RSUs were awarded as compensation at no cash cost to him and are not an open-market purchase.

The restricted stock units vest in full on June 3, 2027. Following this award, Christian holds a total of 7,912 RSUs tied to Oklo Class A Common Stock, aligning a portion of his compensation with the company’s future share performance.

Kinzley Richard reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director Richard Kinzley reported a compensation grant of 3,213 Restricted Stock Units (RSUs) tied to Oklo’s Class A Common Stock. Each RSU represents the right to receive one share in the future. The RSUs vest in full on June 3, 2027, and Kinzley now holds 3,213 RSUs directly following this award.

Jansen John M reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director John M. Jansen received a grant of 3,213 restricted stock units as equity compensation. Each unit represents a contingent right to receive one share of Oklo’s Class A Common Stock. The restricted stock units vest in full on June 3, 2027, after which the underlying shares may be delivered, assuming vesting conditions are met.

Thompson Michael N. Jr. reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director Michael N. Thompson Jr. received a grant of 3,213 restricted stock units, each representing one share of Class A Common Stock. These units vest in full on June 3, 2027, and bring his total reported restricted stock units to 6,659 held directly.

PONEMAN DANIEL B reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director Daniel B. Poneman reported receiving a grant of 3,213 Restricted Stock Units, each representing a contingent right to one share of Class A Common Stock. These RSUs were awarded as compensation and do not involve an open-market purchase or sale.

Following the award, Poneman has 6,659 derivative-based interests tied to Class A Common Stock. The RSUs vest in full on June 3, 2027, meaning shares are delivered only if the vesting conditions are satisfied and he remains eligible at that time.

Oklo Inc. director David G. Park reported a compensation-related equity award. On June 11, 2026, he received 3,213 Restricted Stock Units (RSUs), each representing a right to receive one share of Oklo Class A common stock. These RSUs vest in full on June 3, 2027. Following this grant, Park holds a total of 7,912 RSUs, all reported as directly owned, which will convert into an equal number of Class A shares as they vest.

Peters Mark T reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director Mark T. Peters reported a compensation-related equity grant rather than an open-market trade. He received 3,213 restricted stock units (RSUs), each representing one share of Oklo Class A Common Stock. These RSUs vest in full on June 3, 2027, and following this award he now holds 7,912 RSUs directly. The filing reflects routine director compensation using stock-based awards, with no cash purchase or sale of shares disclosed.

Oklo Inc. Chief Financial Officer Richard Craig Bealmear reported a mix of option exercises, share sales and a charitable gift of stock. He exercised stock options to acquire a total of 122,096 shares of Class A Common Stock at $3.18 per share, and sold 73,081 shares in open-market transactions at weighted average prices between $65.00 and about $69.55, under a pre-arranged Rule 10b5-1 trading plan adopted on September 22, 2025. He also donated 2,100 shares as a bona fide gift to a donor-advised fund. After these transactions, he directly owns 444,557 shares of Class A Common Stock and 786,165 stock options with a $3.18 exercise price expiring on December 22, 2033.