OKLO insider transaction filings

Oklo Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen OKLO transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 28 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
DeWitte Jacob — Co-Founder, CEO, Director, 10% owner315 legs · 440,000 sh · $20,121,250
Cochran Caroline — Co-Founder, COO, Director, 10% owner315 legs · 440,000 sh · $20,121,250
Bealmear Richard Craig — Chief Financial Officer33 legs · 49,203 sh · $2,134,13912
Goodwin William Carroll Murphy — Chief Legal & Strategy Officer21 leg · 11,592 sh · $461,0142
Jansen John M — Director11 leg · 6,354 sh · $233,001
Narayanadas Vivek — General Counsel & Secretary75 legs · 4,628 sh · $186,18210
Renner Alexandra — Chief Product Officer62 legs · 2,487 sh · $96,2647
Hanson John — Chief of Staff31 leg · 539 sh · $21,4364

Recent Form 4 filings — Oklo Inc.

FiledFormInsiderReported transactionsSource
2026-09-164Renner Alexandra — Chief Product OfficerGift (G): 6,763EDGAR
2026-09-154Hanson John — Chief of StaffOption exercise (M): 961 · Option exercise (M): 961 (derivative) @ $0EDGAR
2026-09-154Jansen John M — DirectorSale (S): 6,354 @ $36.67EDGAR
2026-09-154Renner Alexandra — Chief Product OfficerOption exercise (M): 1,202 · Option exercise (M): 1,202 (derivative) @ $0EDGAR
2026-09-154Narayanadas Vivek — General Counsel & SecretaryOption exercise (M): 210 · Option exercise (M): 210 (derivative) @ $0EDGAR
2026-09-104Narayanadas Vivek — General Counsel & SecretarySale (S): 365 @ $43.31EDGAR
2026-09-094Narayanadas Vivek — General Counsel & SecretarySale (S): 238 @ $42.06EDGAR
2026-09-084Narayanadas Vivek — General Counsel & SecretaryOption exercise (M): 1,014 · Sale (S): 538 @ $39.88 · Option exercise (M): 687 · Option exercise (M): 1,014 (derivative) @ $0 · Option exercise (M): 687 (derivative) @ $0EDGAR
2026-09-034Bealmear Richard Craig — Chief Financial OfficerOption exercise (M): 16,430 @ $3.18 · Sale (S): 16,430 @ $38.76 · Option exercise (M): 5,666 @ $3.18 · Option exercise (M): 16,430 (derivative) @ $0 · Option exercise (M): 5,666 (derivative) @ $0EDGAR
2026-09-034Renner Alexandra — Chief Product OfficerSale (S): 1,930 @ $38.40EDGAR
2026-09-024DeWitte Jacob — Co-Founder, CEO, Director, 10% ownerSale (S): 40,000 @ $38.40 · Sale (S): 20,000 @ $38.56 · Sale (S): 40,000 @ $38.66 · Sale (S): 19,800 @ $38.88 · Sale (S): 200 @ $39.15EDGAR
2026-09-024Cochran Caroline — Co-Founder, COO, Director, 10% ownerSale (S): 40,000 @ $38.66 · Sale (S): 19,800 @ $38.88 · Sale (S): 200 @ $39.15 · Sale (S): 40,000 @ $38.40 · Sale (S): 20,000 @ $38.56EDGAR
2026-09-014Renner Alexandra — Chief Product OfficerOption exercise (M): 4,173 · Option exercise (M): 4,173 (derivative) @ $0EDGAR
2026-08-274Narayanadas Vivek — General Counsel & SecretarySale (S): 223 @ $40.80EDGAR
2026-08-254Renner Alexandra — Chief Product OfficerSale (S): 557 @ $39.77EDGAR
2026-08-254Goodwin William Carroll Murphy — Chief Legal & Strategy OfficerSale (S): 11,592 @ $39.77EDGAR
2026-08-254Hanson John — Chief of StaffSale (S): 539 @ $39.77EDGAR
2026-08-254Narayanadas Vivek — General Counsel & SecretaryOption exercise (M): 4,806 · Sale (S): 3,264 @ $39.77 · Option exercise (M): 4,806 (derivative) @ $0EDGAR
2026-08-174Renner Alexandra — Chief Product OfficerOption exercise (M): 1,201 · Option exercise (M): 1,201 (derivative) @ $0EDGAR
2026-08-174Hanson John — Chief of StaffOption exercise (M): 961 · Option exercise (M): 961 (derivative) @ $0EDGAR
2026-08-144Goodwin William Carroll Murphy — Chief Legal & Strategy OfficerOption exercise (M): 20,685 · Option exercise (M): 20,685 (derivative) @ $0EDGAR
2026-08-054Narayanadas Vivek — General Counsel & SecretaryOption exercise (M): 1,014 · Option exercise (M): 1,014 (derivative) @ $0EDGAR
2026-08-054Bealmear Richard Craig — Chief Financial OfficerOption exercise (M): 16,452 @ $3.18 · Sale (S): 16,452 @ $38.80 · Option exercise (M): 5,644 @ $3.18 · Option exercise (M): 16,452 (derivative) @ $0 · Option exercise (M): 5,644 (derivative) @ $0EDGAR
2026-08-054DeWitte Jacob — Co-Founder, CEO, Director, 10% ownerSale (S): 40,000 @ $41.68 · Sale (S): 12,849 @ $40.14 · Sale (S): 7,151 @ $40.94 · Sale (S): 40,000 @ $41.35 · Sale (S): 16,500 @ $38.55 · Sale (S): 3,500 @ $39.60EDGAR
2026-08-054Cochran Caroline — Co-Founder, COO, Director, 10% ownerSale (S): 40,000 @ $41.35 · Sale (S): 16,500 @ $38.55 · Sale (S): 3,500 @ $39.60 · Sale (S): 40,000 @ $41.68 · Sale (S): 12,849 @ $40.14 · Sale (S): 7,151 @ $40.94EDGAR
2026-07-064Bealmear Richard Craig — Chief Financial OfficerOption exercise (M): 16,321 @ $3.18 · Sale (S): 16,321 @ $52.63 · Option exercise (M): 5,775 @ $3.18 · Option exercise (M): 16,321 (derivative) @ $0 · Option exercise (M): 5,775 (derivative) @ $0EDGAR
2026-07-024Cochran Caroline — Co-Founder, COO, Director, 10% ownerSale (S): 60,000 @ $52.30 · Sale (S): 40,000 @ $53.28 · Sale (S): 60,000 @ $52.80 · Sale (S): 40,000 @ $53.71EDGAR
2026-07-024DeWitte Jacob — Co-Founder, CEO, Director, 10% ownerSale (S): 60,000 @ $52.80 · Sale (S): 40,000 @ $53.71 · Sale (S): 60,000 @ $52.30 · Sale (S): 40,000 @ $53.28EDGAR
2026-06-154Jansen John M — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154Kan Derek T. — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154Park David G — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154Peters Mark T — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154Thompson Michael N. Jr. — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154PONEMAN DANIEL B — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154Kinzley Richard — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-154CHRISTIAN DAVID A — DirectorGrant/award (A): 3,213 (derivative) @ $0EDGAR
2026-06-034Bealmear Richard Craig — Chief Financial OfficerOption exercise (M): 16,238 @ $3.18 · Sale (S): 16,238 @ $65 · Option exercise (M): 100,000 @ $3.18 · Sale (S): 10,000 @ $69.31 · Gift (G): 2,100 @ $0 · Sale (S): 46,843 @ $69.42 · +4 moreEDGAR
2026-06-024Cochran Caroline — Co-Founder, COO, Director, 10% ownerSale (S): 12,600 @ $64.99 · Sale (S): 7,400 @ $66.14 · Sale (S): 14,814 @ $67.15 · Sale (S): 25,186 @ $67.75 · Sale (S): 40,000 @ $69.10 · Sale (S): 60,000 @ $68.29 · +2 moreEDGAR
2026-06-024DeWitte Jacob — Co-Founder, CEO, Director, 10% ownerSale (S): 60,000 @ $68.29 · Sale (S): 38,200 @ $69.64 · Sale (S): 1,800 @ $70.45 · Sale (S): 12,600 @ $64.99 · Sale (S): 7,400 @ $66.14 · Sale (S): 14,814 @ $67.15 · +2 moreEDGAR
2026-05-214Goodwin William Carroll Murphy — Chief Legal & Strategy OfficerOption exercise (M): 20,686 · Sale (S): 10,548 @ $58.04 · Option exercise (M): 20,686 (derivative) @ $0EDGAR
2026-05-054Bealmear Richard Craig — Chief Financial OfficerOption exercise (M): 16,216 @ $3.18 · Sale (S): 16,216 @ $69.92 · Option exercise (M): 5,880 @ $3.18 · Option exercise (M): 16,216 (derivative) @ $0 · Option exercise (M): 5,880 (derivative) @ $0EDGAR
2026-05-044Cochran Caroline — Co-Founder, COO, Director, 10% ownerSale (S): 60,000 @ $70.19 · Sale (S): 40,000 @ $70.95 · Sale (S): 16,907 @ $69.06 · Sale (S): 43,093 @ $69.83 · Sale (S): 22,063 @ $70.43 · Sale (S): 17,937 @ $70.61EDGAR
2026-05-044DeWitte Jacob — Co-Founder, CEO, Director, 10% ownerSale (S): 16,907 @ $69.06 · Sale (S): 43,093 @ $69.83 · Sale (S): 22,063 @ $70.42 · Sale (S): 17,937 @ $70.61 · Sale (S): 60,000 @ $70.19 · Sale (S): 40,000 @ $70.95EDGAR
2026-04-304CHRISTIAN DAVID A — DirectorGrant/award (A): 4,699 (derivative) @ $0EDGAR
2026-04-204Kan Derek T. — DirectorGrant/award (A): 4,699 (derivative) @ $0EDGAR
2026-04-204Park David G — DirectorGrant/award (A): 4,699 (derivative) @ $0EDGAR
2026-04-204Peters Mark T — DirectorGrant/award (A): 4,699 (derivative) @ $0EDGAR
2026-04-034Cochran Caroline — Co-Founder, COO, Director, 10% ownerSale (S): 13,473 @ $48.41 · Sale (S): 10,516 @ $49.58 · Sale (S): 9,068 @ $50.93 · Sale (S): 26,943 @ $51.20 · Sale (S): 40,000 @ $50.50 · Sale (S): 13,473 @ $48.41 · +4 moreEDGAR
2026-04-034DeWitte Jacob — Co-Founder, CEO, Director, 10% ownerSale (S): 13,473 @ $48.41 · Sale (S): 10,516 @ $49.58 · Sale (S): 9,068 @ $50.93 · Sale (S): 26,943 @ $51.20 · Sale (S): 40,000 @ $50.50 · Sale (S): 13,473 @ $48.41 · +4 moreEDGAR
2026-04-034Bealmear Richard Craig — Chief Financial OfficerOption exercise (M): 16,342 @ $3.18 · Sale (S): 16,342 @ $51.08 · Option exercise (M): 5,754 @ $3.18 · Option exercise (M): 16,342 (derivative) @ $0 · Option exercise (M): 5,754 (derivative) @ $0EDGAR

Recent 8-K events — Oklo Inc.

FiledFormItems reportedSource
2026-09-118-K1.01 — Entry into a Material Definitive Agreement
1.02 — Termination of a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-288-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-06-088-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-138-K1.01 — Entry into a Material Definitive Agreement
1.02 — Termination of a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-148-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-048-K1.01 — Entry into a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2025-09-038-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2025-06-168-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2025-06-098-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2025-04-228-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
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