John M. Jansen
CIK: 0002021774
Transaction Breakdown
Open Market Buys (P)1 (20.0%)
High conviction signal
Open Market Sales (S)2 (40.0%)
Position reduction
Option Exercises (M)1 (20.0%)
Derivative conversions
Awards (A)1 (20.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
OKLO
Oklo Inc.
Director
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Sep 14, 2026OKLO
Oklo Inc.
Sale(S)Direct6.4K shares at avg. $36.67$233K - Jun 11, 2026OKLO
Oklo Inc.
Award(A)DirectRestricted Stock Units
3.2K shares- - Mar 27, 2026OKLO
Oklo Inc.
Sale(S)Direct10.5K shares at avg. $51.52$541K - Mar 6, 2026OKLO
Oklo Inc.
Exercise(M)Direct16.9K shares at avg. $58.25$982K - Mar 27, 2025OKLO
Oklo Inc.
Purchase(P)Direct6K shares at avg. $24.57$147K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 14, 2026 | OKLO Oklo Inc. | Sale(S) | 6,354 | $36.67 | $233,001 | Direct |
| Jun 11, 2026 | OKLO Oklo Inc. | Award(A) Restricted Stock Units | 3,213 | - | - | Direct |
| Mar 27, 2026 | OKLO Oklo Inc. | Sale(S) | 10,500 | $51.52 | $540,960 | Direct |
| Mar 6, 2026 | OKLO Oklo Inc. | Exercise(M) | 16,854 | $58.25 | $981,746 | Direct |
| Mar 27, 2025 | OKLO Oklo Inc. | Purchase(P) | 6,000 | $24.57 | $147,412 | Direct |
1-5 of 5 transactions
About Jansen John M
Jansen John M (SEC CIK 0002021774) files insider reports with the SEC as Director of Oklo Inc. (OKLO).
Signal8 holds 5 ownership filings by Jansen John M, all Form 4s, filed between Mar 31, 2025 and Sep 15, 2026. Those filings report 5 transactions, from Mar 27, 2025 to Sep 14, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Jansen John M's filings is in SANTA CLARA, CA.
Recent filings by Jansen John M
- Sep 14, 2026: Open-market sale of OKLO shares (Form 4, code S).
- Jun 11, 2026: Grant or award of OKLO derivative securities (Form 4, code A).
- Mar 27, 2026: Open-market sale of OKLO shares (Form 4, code S).
- Mar 6, 2026: Option exercise of OKLO shares (Form 4, code M).
- Mar 27, 2025: Open-market purchase of OKLO shares (Form 4, code P).
Other insiders filing for Oklo Inc. (OKLO)
- Hanson John, Chief of Staff
- Renner Alexandra, Chief Product Officer
- Narayanadas Vivek, General Counsel & Secretary
- Cochran Caroline, Co-Founder, COO
- DeWitte Jacob, Co-Founder, CEO
- Bealmear Richard Craig, Chief Financial Officer