Jansen John M

Director · OKLO

As of 2026-09-16, Jansen John M has 6 Form 4 transactions on record across 1 company — 5 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $214KIndirect: $0$214Kas of 2026-09-16
  • Direct $214K
  • Indirect $0
OKLOdirect6,000 sh$214K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

OKLO · 6 trades
2026-09-14: Sale, 6,354 sh ($233K)2026-06-11: Award / grant, 3,213 sh ($0)2026-03-27: Sale, 10,500 sh ($541K)2026-03-06: Option exercise, 16,854 sh ($982K)2026-03-06: Option exercise, 16,854 sh ($0)2025-03-27: Purchase, 6,000 sh ($147K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14OKLOSale6,354 @ $36.67$233K−51.4% of holding6,000Form 4
2026-03-27OKLOSale10,500 @ $51.52$541K−45.9% of holding12,354Form 4
2025-03-27OKLOPurchase6,000 @ $24.57$147Kownership Δ n/a6,000Form 4
3 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-11OKLOAward / grant3,2133,213Form 4
2026-03-06OKLOOption exercise16,85422,854Form 4
2026-03-06OKLOOption exercise16,8540Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.